Syphilis cases in Suffolk are about 63% lower than the US average. Whether you get tested before starting a new relationship in Smithtown, New York or as part of ongoing care, you can choose between community clinics often low-cost or free and private labs that typically offer faster results and more flexible scheduling. See your options below.
12 testing centers serve Smithtown, NY — the nearest, Planned Parenthood Hudson Peconic Incorporated, about 1.3 miles away. Compare 8 community and public clinics, private labs, and at-home kits below.
Listings tagged Community health center are federally funded health centers and rural clinics that treat everyone regardless of insurance or ability to pay — required to bill on a sliding fee scale and provide confidential care, and in many states minors may consent to their own STI testing. A Title X tag flags centers funded for confidential family-planning services; confirm current participation when you call.
Today's offer: $10 off any test panel — applied automatically at checkout.
When can I test? Exposure-window calculator
Testing too soon can miss an infection. Enter the date of possible exposure to see the earliest a test can reliably detect each STI.
Infection
Earliest reliable test
Conclusive after
Guidance only — confirm timing with a clinician. A negative result before the conclusive date may need a repeat test.
Closest to you
1.3 miles
Planned Parenthood Hudson Peconic Incorporated
★★★★★4.5(104 reviews)?
Review sources
EasySTD reviews104
Rated 4.5 out of 5 from 104 reviews
About 1 mile southeast of Smithtown in Smithtown: Planned Parenthood Hudson Peconic tests for HIV, hepatitis B, syphilis, gonorrhea, chlamydia, and herpes—and treats bacterial infections on the spot. Walk in anytime, or call ahead; sliding-scale fees mean cost won't stop you.
Read full overviewShow less
Testing and treatment in one visit
Planned Parenthood Hudson Peconic screens for HIV, hepatitis B, syphilis, gonorrhea, chlamydia, and herpes. If you test positive for chlamydia, gonorrhea, or syphilis, treatment happens the same day. No waiting between diagnosis and care—that's the point of coming here.
Prevention built into every visit
Beyond testing, the clinic prescribes PrEP for HIV prevention and doxy-PEP to reduce STI risk after unprotected sex. HPV vaccine is available, and staff hand out condoms freely. Counseling on HIV and hepatitis prevention is part of the conversation, not an afterthought.
Sliding-scale fees fit most budgets
There is a fee, but it slides with your income—Medicaid and insurance are accepted. Title X funding keeps costs low for anyone who qualifies. If cost has kept you away before, call and ask what you'd actually pay.
Walk in or book ahead; interpretation available
You don't need an appointment—drop in when it suits you. If English isn't your first language, interpretation services are there. Either way, the visit is quick and straightforward.
About 2 miles southeast of Smithtown in Smithtown: Northwell Health-GoHealth Urgent Care accepts Medicaid and insurance, with a standard visit fee for uninsured patients. Walk-in testing and treatment for bacterial STIs, HIV, hepatitis, and herpes—plus vaccines and prevention counseling—make it practical for anyone needing quick, same-visit care.
Read full overviewShow less
Insurance, Medicaid, or a standard fee
Medicaid and most insurance plans are accepted here. If you're paying out of pocket, expect a standard visit fee, typically higher than a public health clinic. That covers testing, treatment, and vaccines all in one trip.
Tests and same-visit treatment for bacterial STIs
Northwell screens for chlamydia, gonorrhea, and syphilis—and treats all three on the spot. HIV testing (both rapid and conventional) is available, along with hepatitis A, B, and C screening and TB testing. Herpes serology rounds out the panel. If you test positive for HIV or hepatitis, treatment is managed through follow-up care with specialists.
HPV and hepatitis vaccines, plus prevention counseling
The clinic offers HPV and hepatitis A and B vaccines as part of routine prevention. Counseling on STI, HIV, hepatitis, and TB prevention is built into visits, helping you understand your results and next steps.
Walk in anytime—no appointment needed
No appointment required; you can walk in when it suits your schedule. Interpretation services are available for non-English speakers, so language won't be a barrier.
About 2 miles east of Smithtown in Smithtown: Stony Brook Medicine tests for HIV, hepatitis, chlamydia, gonorrhea, syphilis, and herpes, treating bacterial infections on-site and managing viral diagnoses through their medical team. It's built for anyone seeking thorough screening plus prevention options like PrEP and vaccines.
Read full overviewShow less
Testing covers the major infections
Stony Brook Medicine screens for HIV (rapid and conventional tests), hepatitis A/B/C, chlamydia, gonorrhea, syphilis, herpes, and TB. Bacterial STIs—chlamydia, gonorrhea, and syphilis—are treated the same visit. Hepatitis B and C treatment, plus HIV care, are managed by their medical team once confirmed.
Prevention built into the visit
If you're negative or at risk, the clinic offers PrEP, hepatitis A and B vaccines, and HPV vaccination. Counseling on HIV, STI, hepatitis, and TB prevention is part of the process, not an afterthought.
Cost on a sliding scale
There is a fee for visits; Medicaid and insurance are accepted, and sliding-scale rates apply based on income. Call ahead to understand what you'll owe.
Appointments required
You'll need to schedule ahead—walk-ins are not available. Plan your visit in advance to secure a time slot.
Tests & treatsSliding-scalePrEP
267 East Main Street, Building C Smithtown, NY 11787
About 2 miles east of Smithtown in Smithtown: Stony Brook Adolescent Medicine is a specialty clinic for young people seeking STI testing, HIV prevention, and ongoing care all in one place. It's built for anyone navigating sexual health during adolescence and early adulthood who wants expert guidance alongside testing and treatment.
Read full overviewShow less
A clinic designed for adolescent sexual health
Stony Brook Adolescent Medicine focuses on the testing, prevention, and treatment needs of young people—a setup that matters because adolescent sexual health often requires both medical expertise and counseling tailored to that life stage. You'll get conventional HIV testing alongside screening for chlamydia, gonorrhea, syphilis, herpes, hepatitis A, B, and C, and TB, with medication counseling and education woven through each visit.
Testing and treatment happen together
Bacterial infections like chlamydia, gonorrhea, and syphilis can be treated the same visit you're tested. For HIV, hepatitis B and C, and TB, the clinic manages ongoing treatment after diagnosis. If you're at risk for HIV, PrEP is available to prevent infection in the first place, supported by adherence counseling to make it work.
Prevention is part of the visit
Beyond testing, the clinic offers hepatitis A and B vaccines, condom distribution, and education on STI, HIV, TB, and hepatitis prevention—the kind of practical support that helps you stay healthy between visits.
Cost and access
Medicaid and insurance are accepted; uninsured patients can access PrEP through the clinic. Expect a standard visit fee for other services. Appointments are required, so call ahead to schedule.
PrEP
260 Middle Country Road, Suite 107 Smithtown, NY 11787
About 4 miles southwest of Smithtown in Hauppauge: Simple Healthcare offers STI and HIV testing by appointment, with same-visit treatment for bacterial infections and access to prevention tools like PrEP and doxy-PEP. It's built for anyone seeking straightforward testing and care without the wait of a walk-in clinic.
Read full overviewShow less
Appointments keep the visit efficient
You book ahead and come in for testing without the uncertainty of a walk-in queue. A single visit covers screening, counseling, and—for bacterial STIs like chlamydia, gonorrhea, and syphilis—treatment on the spot.
Tests span HIV, viral hepatitis, and bacterial STIs
Simple Healthcare screens for rapid and conventional HIV, hepatitis A, B, and C, plus herpes, chlamydia, gonorrhea, and syphilis. If you test positive for hepatitis B or C, treatment is managed there; HIV care is available as well.
Prevention is built in—PrEP, PEP, and doxy-PEP
Beyond testing, the clinic prescribes PrEP for HIV prevention, PEP after a potential exposure, and doxy-PEP to prevent bacterial STIs after unprotected sex. Medication counseling and adherence support are part of the visit.
Cost is sliding-scale or covered by insurance
Medicaid and insurance are accepted. If you're uninsured or underinsured, fees run on a sliding scale based on income. PrEP is available for uninsured patients as well.
About 4 miles southwest of Smithtown in Hauppauge: CEC Health Care uses a sliding-scale fee structure, accepting Medicaid and insurance while offering uninsured PrEP access, making it practical for anyone seeking STI testing, HIV screening, and prevention care without upfront cost barriers.
Read full overviewShow less
Sliding scale covers testing and prevention
CEC Health Care charges on a sliding scale based on income, accepts Medicaid and insurance, and provides PrEP at no cost to uninsured patients—a real advantage if you're paying out of pocket or between jobs. That structure means a full STI workup and HIV test won't derail your budget.
Tests for HIV, bacterial STIs, and hepatitis
The clinic screens for HIV (rapid and conventional tests), chlamydia, gonorrhea, syphilis, herpes, hepatitis A/B/C, and TB. Bacterial STIs like chlamydia and gonorrhea are treated on-site the same visit; HIV and hepatitis require confirmatory testing and ongoing care, which the clinic manages. HPV and hepatitis A vaccines are also available.
You'll need to schedule ahead rather than walk in. Interpretation services are available for non-English languages, and Spanish is spoken on staff, so language won't block access to care.
Best for anyone seeking PrEP or sliding-scale testing
This clinic suits people who want HIV prevention (PrEP is free for the uninsured here), anyone on Medicaid or with insurance, and those who need a sliding-scale fee to make testing affordable. Plan to book an appointment in advance.
About 6 miles southeast of Smithtown in Ronkonkoma: Damian Family Care Centers tests for HIV, chlamydia, gonorrhea, syphilis, and hepatitis A, B, and C—and treats what it finds on site. It's built for anyone seeking thorough screening plus prevention tools like PrEP and HPV vaccination.
Read full overviewShow less
Testing and treatment in one visit
Damian Family Care Centers screens for HIV, chlamydia, gonorrhea, syphilis, hepatitis A, B, and C. Bacterial infections like chlamydia and gonorrhea are treated the same day; hepatitis B and C treatment is managed on site, as is HIV care. You'll also get counseling tied to your results.
Prevention built into your care
If you're negative or at risk, the clinic offers PrEP (daily HIV prevention) and HPV and hepatitis A vaccines. STI and HIV prevention education is part of every visit, not an afterthought.
Cost scales to your income
There's a standard fee per visit, but it slides based on what you earn. Medicaid, Medicare, and most insurance plans are accepted, so your actual out-of-pocket cost depends on your coverage.
You'll need an appointment
Damian Family Care Centers requires scheduling ahead; walk-ins aren't available. Call to book, and plan for a full visit that covers testing, results, and any treatment or prevention you need.
About 6 miles south of Smithtown in Brentwood: Sun River Health offers walk-in STI and sexual-health testing without an appointment, making it easy to fit a visit into your schedule. They screen for HIV, hepatitis, chlamydia, gonorrhea, syphilis, and herpes, treat bacterial infections on the spot, and offer PrEP for anyone uninsured—sliding-scale fees mean cost won't stop you.
Read full overviewShow less
Walk in anytime, no appointment needed
Sun River Health takes walk-ins, so you can stop by when it suits you—no waiting weeks for an opening. A single visit covers testing, counseling, and treatment if you need it, making the whole process straightforward and fast.
Tests and same-visit treatment for bacterial STIs
They screen for HIV, hepatitis A, B, and C, TB, chlamydia, gonorrhea, syphilis, and herpes. Chlamydia, gonorrhea, and syphilis are treated on site the same day. HIV and hepatitis testing is available, with treatment managed through their care team. HPV and hepatitis A vaccines are offered, and if you're at risk for HIV, PrEP is available even if you're uninsured.
Sliding scale covers most; PrEP is free for uninsured
There's a standard visit fee, but it slides based on what you earn—Medicaid and insurance are accepted. If you're uninsured and interested in PrEP, that's covered at no cost, removing a major barrier to prevention.
Interpretation in nine languages
Staff provide interpretation services in Spanish, Chinese, Vietnamese, Tagalog, French, Haitian Creole, Portuguese, and American Sign Language, so language won't get in the way of care.
Tests & treatsRyan White HIV careSliding-scalePrEP
Smithtown, NY (Suffolk County) STD testing locations
12 testing centers serving Smithtown and Suffolk County — screening for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, Conventional HIV, TB.
Community health center
Listings tagged Community health center are federally funded health centers and rural clinics that treat everyone regardless of insurance or ability to pay — required to bill on a sliding fee scale and provide confidential care, and in many states minors may consent to their own STI testing. A Title X tag flags centers funded for confidential family-planning services; confirm current participation when you call.
Source: CMS FQHC & Rural Health Clinic enrollment files (data.cms.gov), refreshed quarterly. Title X status reflects the latest OPA grantee list.
How we rank: vetted partner labs (clearly marked Sponsored) appear first; every other center is listed free and ordered by verified review score, then distance.
Premium Partner
Labcorp at Walgreens
Editor's pick
Results in 1–2 days
★★★★★4.7(57 reviews)?
Review sources
EasySTD reviews57
Rated 4.7 out of 5 from 57 reviews
10 West Main Street, Smithtown, NY, 11787
1.4 miles away
Testing too soon can miss an infection. Enter the date of possible exposure to see the earliest a test can reliably detect each STI.
Infection
Earliest reliable test
Conclusive after
Guidance only — confirm timing with a clinician. A negative result before the conclusive date may need a repeat test.
Planned Parenthood Hudson Peconic Incorporated
Closest to you
★★★★★4.5(104 reviews)?
Review sources
EasySTD reviews104
Rated 4.5 out of 5 from 104 reviews
About 1 mile southeast of Smithtown in Smithtown: Planned Parenthood Hudson Peconic tests for HIV, hepatitis B, syphilis, gonorrhea, chlamydia, and herpes—and treats bacterial infections on the spot. Walk in anytime, or call ahead; sliding-scale fees mean cost won't stop you.
Read full overviewShow less
Testing and treatment in one visit
Planned Parenthood Hudson Peconic screens for HIV, hepatitis B, syphilis, gonorrhea, chlamydia, and herpes. If you test positive for chlamydia, gonorrhea, or syphilis, treatment happens the same day. No waiting between diagnosis and care—that's the point of coming here.
Prevention built into every visit
Beyond testing, the clinic prescribes PrEP for HIV prevention and doxy-PEP to reduce STI risk after unprotected sex. HPV vaccine is available, and staff hand out condoms freely. Counseling on HIV and hepatitis prevention is part of the conversation, not an afterthought.
Sliding-scale fees fit most budgets
There is a fee, but it slides with your income—Medicaid and insurance are accepted. Title X funding keeps costs low for anyone who qualifies. If cost has kept you away before, call and ask what you'd actually pay.
Walk in or book ahead; interpretation available
You don't need an appointment—drop in when it suits you. If English isn't your first language, interpretation services are there. Either way, the visit is quick and straightforward.
Title XPrEPDoxyPEP
70 Maple Avenue, Smithtown, NY 11787
1.3 miles away
About 2 miles southeast of Smithtown in Smithtown: Northwell Health-GoHealth Urgent Care accepts Medicaid and insurance, with a standard visit fee for uninsured patients. Walk-in testing and treatment for bacterial STIs, HIV, hepatitis, and herpes—plus vaccines and prevention counseling—make it practical for anyone needing quick, same-visit care.
Read full overviewShow less
Insurance, Medicaid, or a standard fee
Medicaid and most insurance plans are accepted here. If you're paying out of pocket, expect a standard visit fee, typically higher than a public health clinic. That covers testing, treatment, and vaccines all in one trip.
Tests and same-visit treatment for bacterial STIs
Northwell screens for chlamydia, gonorrhea, and syphilis—and treats all three on the spot. HIV testing (both rapid and conventional) is available, along with hepatitis A, B, and C screening and TB testing. Herpes serology rounds out the panel. If you test positive for HIV or hepatitis, treatment is managed through follow-up care with specialists.
HPV and hepatitis vaccines, plus prevention counseling
The clinic offers HPV and hepatitis A and B vaccines as part of routine prevention. Counseling on STI, HIV, hepatitis, and TB prevention is built into visits, helping you understand your results and next steps.
Walk in anytime—no appointment needed
No appointment required; you can walk in when it suits your schedule. Interpretation services are available for non-English speakers, so language won't be a barrier.
1 Miller Place, Suite C Smithtown, NY 11787
1.5 miles away
Family Planning · Medication Adherence Education and Counseling · STI Treatment · Human Papillomavirus Vaccine (HPV) · Hepatitis A Vaccine · Adult Hepatitis B Vaccine
About 2 miles east of Smithtown in Smithtown: Stony Brook Medicine tests for HIV, hepatitis, chlamydia, gonorrhea, syphilis, and herpes, treating bacterial infections on-site and managing viral diagnoses through their medical team. It's built for anyone seeking thorough screening plus prevention options like PrEP and vaccines.
Read full overviewShow less
Testing covers the major infections
Stony Brook Medicine screens for HIV (rapid and conventional tests), hepatitis A/B/C, chlamydia, gonorrhea, syphilis, herpes, and TB. Bacterial STIs—chlamydia, gonorrhea, and syphilis—are treated the same visit. Hepatitis B and C treatment, plus HIV care, are managed by their medical team once confirmed.
Prevention built into the visit
If you're negative or at risk, the clinic offers PrEP, hepatitis A and B vaccines, and HPV vaccination. Counseling on HIV, STI, hepatitis, and TB prevention is part of the process, not an afterthought.
Cost on a sliding scale
There is a fee for visits; Medicaid and insurance are accepted, and sliding-scale rates apply based on income. Call ahead to understand what you'll owe.
Appointments required
You'll need to schedule ahead—walk-ins are not available. Plan your visit in advance to secure a time slot.
PrEP
267 East Main Street, Building C Smithtown, NY 11787
2.0 miles away
About 2 miles east of Smithtown in Smithtown: Stony Brook Adolescent Medicine is a specialty clinic for young people seeking STI testing, HIV prevention, and ongoing care all in one place. It's built for anyone navigating sexual health during adolescence and early adulthood who wants expert guidance alongside testing and treatment.
Read full overviewShow less
A clinic designed for adolescent sexual health
Stony Brook Adolescent Medicine focuses on the testing, prevention, and treatment needs of young people—a setup that matters because adolescent sexual health often requires both medical expertise and counseling tailored to that life stage. You'll get conventional HIV testing alongside screening for chlamydia, gonorrhea, syphilis, herpes, hepatitis A, B, and C, and TB, with medication counseling and education woven through each visit.
Testing and treatment happen together
Bacterial infections like chlamydia, gonorrhea, and syphilis can be treated the same visit you're tested. For HIV, hepatitis B and C, and TB, the clinic manages ongoing treatment after diagnosis. If you're at risk for HIV, PrEP is available to prevent infection in the first place, supported by adherence counseling to make it work.
Prevention is part of the visit
Beyond testing, the clinic offers hepatitis A and B vaccines, condom distribution, and education on STI, HIV, TB, and hepatitis prevention—the kind of practical support that helps you stay healthy between visits.
Cost and access
Medicaid and insurance are accepted; uninsured patients can access PrEP through the clinic. Expect a standard visit fee for other services. Appointments are required, so call ahead to schedule.
PrEP
260 Middle Country Road, Suite 107 Smithtown, NY 11787
2.0 miles away
Medication Adherence Education and Counseling · TB Treatment · Pre-Exposure Prophylaxis (PrEP) · HIV/AIDS Medical Treatment · Post-Exposure Prophylaxis (PEP) · Hepatitis C Treatment · Hepatitis B Treatment · Hepatitis A Vaccine · Adult Hepatitis B Vaccine
Prevention services
TB Prevention/Education · STI Prevention/Education · HIV/AIDS Prevention/Education · HIV Test Counseling · Hepatitis Prevention/Education · Condom Distribution
About 4 miles southwest of Smithtown in Hauppauge: Simple Healthcare offers STI and HIV testing by appointment, with same-visit treatment for bacterial infections and access to prevention tools like PrEP and doxy-PEP. It's built for anyone seeking straightforward testing and care without the wait of a walk-in clinic.
Read full overviewShow less
Appointments keep the visit efficient
You book ahead and come in for testing without the uncertainty of a walk-in queue. A single visit covers screening, counseling, and—for bacterial STIs like chlamydia, gonorrhea, and syphilis—treatment on the spot.
Tests span HIV, viral hepatitis, and bacterial STIs
Simple Healthcare screens for rapid and conventional HIV, hepatitis A, B, and C, plus herpes, chlamydia, gonorrhea, and syphilis. If you test positive for hepatitis B or C, treatment is managed there; HIV care is available as well.
Prevention is built in—PrEP, PEP, and doxy-PEP
Beyond testing, the clinic prescribes PrEP for HIV prevention, PEP after a potential exposure, and doxy-PEP to prevent bacterial STIs after unprotected sex. Medication counseling and adherence support are part of the visit.
Cost is sliding-scale or covered by insurance
Medicaid and insurance are accepted. If you're uninsured or underinsured, fees run on a sliding scale based on income. PrEP is available for uninsured patients as well.
PrEPDoxyPEP
35 Arkay Drive, Suite 200 Hauppauge, NY 11788
4.1 miles away
About 4 miles southwest of Smithtown in Hauppauge: CEC Health Care uses a sliding-scale fee structure, accepting Medicaid and insurance while offering uninsured PrEP access, making it practical for anyone seeking STI testing, HIV screening, and prevention care without upfront cost barriers.
Read full overviewShow less
Sliding scale covers testing and prevention
CEC Health Care charges on a sliding scale based on income, accepts Medicaid and insurance, and provides PrEP at no cost to uninsured patients—a real advantage if you're paying out of pocket or between jobs. That structure means a full STI workup and HIV test won't derail your budget.
Tests for HIV, bacterial STIs, and hepatitis
The clinic screens for HIV (rapid and conventional tests), chlamydia, gonorrhea, syphilis, herpes, hepatitis A/B/C, and TB. Bacterial STIs like chlamydia and gonorrhea are treated on-site the same visit; HIV and hepatitis require confirmatory testing and ongoing care, which the clinic manages. HPV and hepatitis A vaccines are also available.
You'll need to schedule ahead rather than walk in. Interpretation services are available for non-English languages, and Spanish is spoken on staff, so language won't block access to care.
Best for anyone seeking PrEP or sliding-scale testing
This clinic suits people who want HIV prevention (PrEP is free for the uninsured here), anyone on Medicaid or with insurance, and those who need a sliding-scale fee to make testing affordable. Plan to book an appointment in advance.
PrEP
305 Oser Avenue, Hauppauge, NY 11788
4.1 miles away
Family Planning · Medication Adherence Education and Counseling · STI Treatment · Human Papillomavirus Vaccine (HPV) · Pre-Exposure Prophylaxis (PrEP) · Post-Exposure Prophylaxis (PEP) · Hepatitis A Vaccine · Adult Hepatitis B Vaccine
Prevention services
TB Prevention/Education · STI Prevention/Education · HIV/AIDS Prevention/Education · HIV Test Counseling · Hepatitis Prevention/Education · Condom Distribution
About 6 miles southeast of Smithtown in Ronkonkoma: Damian Family Care Centers tests for HIV, chlamydia, gonorrhea, syphilis, and hepatitis A, B, and C—and treats what it finds on site. It's built for anyone seeking thorough screening plus prevention tools like PrEP and HPV vaccination.
Read full overviewShow less
Testing and treatment in one visit
Damian Family Care Centers screens for HIV, chlamydia, gonorrhea, syphilis, hepatitis A, B, and C. Bacterial infections like chlamydia and gonorrhea are treated the same day; hepatitis B and C treatment is managed on site, as is HIV care. You'll also get counseling tied to your results.
Prevention built into your care
If you're negative or at risk, the clinic offers PrEP (daily HIV prevention) and HPV and hepatitis A vaccines. STI and HIV prevention education is part of every visit, not an afterthought.
Cost scales to your income
There's a standard fee per visit, but it slides based on what you earn. Medicaid, Medicare, and most insurance plans are accepted, so your actual out-of-pocket cost depends on your coverage.
You'll need an appointment
Damian Family Care Centers requires scheduling ahead; walk-ins aren't available. Call to book, and plan for a full visit that covers testing, results, and any treatment or prevention you need.
PrEP
161 Lake Shore Road, Ronkonkoma, NY 11779
6.0 miles away
Medication Adherence Education and Counseling · STI Treatment · Human Papillomavirus Vaccine (HPV) · Pre-Exposure Prophylaxis (PrEP) · HIV/AIDS Medical Treatment · Hepatitis C Treatment · Hepatitis B Treatment · Hepatitis A Vaccine · Adult Hepatitis B Vaccine
Prevention services
STI Prevention/Education · HIV/AIDS Prevention/Education · HIV Test Counseling · Hepatitis Prevention/Education
About 6 miles south of Smithtown in Brentwood: Sun River Health offers walk-in STI and sexual-health testing without an appointment, making it easy to fit a visit into your schedule. They screen for HIV, hepatitis, chlamydia, gonorrhea, syphilis, and herpes, treat bacterial infections on the spot, and offer PrEP for anyone uninsured—sliding-scale fees mean cost won't stop you.
Read full overviewShow less
Walk in anytime, no appointment needed
Sun River Health takes walk-ins, so you can stop by when it suits you—no waiting weeks for an opening. A single visit covers testing, counseling, and treatment if you need it, making the whole process straightforward and fast.
Tests and same-visit treatment for bacterial STIs
They screen for HIV, hepatitis A, B, and C, TB, chlamydia, gonorrhea, syphilis, and herpes. Chlamydia, gonorrhea, and syphilis are treated on site the same day. HIV and hepatitis testing is available, with treatment managed through their care team. HPV and hepatitis A vaccines are offered, and if you're at risk for HIV, PrEP is available even if you're uninsured.
Sliding scale covers most; PrEP is free for uninsured
There's a standard visit fee, but it slides based on what you earn—Medicaid and insurance are accepted. If you're uninsured and interested in PrEP, that's covered at no cost, removing a major barrier to prevention.
Interpretation in nine languages
Staff provide interpretation services in Spanish, Chinese, Vietnamese, Tagalog, French, Haitian Creole, Portuguese, and American Sign Language, so language won't get in the way of care.
Ryan White HIV careSliding-scalePrEP
1869 Brentwood Road, Brentwood, NY 11717
6.1 miles away
Beyond the public testing sites above, these federally certified (CLIA) labs serve Suffolk County — each lab's town is shown on its card below. Many
test through a doctor's order or by appointment rather than walk-in, so call ahead to
confirm STD/STI testing and availability before visiting.
Northport Vamc
Northport, NY
79 Middleville Rd Building 200 Main FL, Northport, NY, 11768
Showing the 6 closest CLIA-certified labs in Suffolk County.
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records, filtered to active labs
certified for moderate-to-high-complexity testing — the level chlamydia/gonorrhea NAAT and syphilis serology
require — near Smithtown. Any star rating is the CMS Hospital Compare overall rating where the lab is a rated
hospital. Inclusion is not an endorsement and doesn't confirm a facility offers STD testing — always call to verify.
Test from home
At-home STD testing in Smithtown, NY
The nearest testing center is about 1 miles away — if you'd rather skip the
trip, an at-home kit ships to Smithtown, you collect the sample privately, and mail it back to a CLIA-certified
lab. Results come online in days, with a clinician available if anything is positive. Same labs as a clinic,
no waiting room — and you can read how accurate at-home STD tests are before you order.
Want a free option first? The CDC-supported
TakeMeHome
program mails free at-home HIV self-test kits — and, in many areas, free STI kits — to your door, with no insurance or payment needed. The paid kits below add broader panels and faster turnaround.
Best range — couples & full panels
myLAB Box
$79 & up
Screens for:
Up to 14 infections — incl. HIV, syphilis, chlamydia, gonorrhea, hepatitis & herpes
Every kit uses CLIA-certified labs. At-home testing is for screening; a reactive result should be confirmed and
treated by a clinician. Prices and panels shown are illustrative and change often — confirm current details on
the provider's site.
Local clinicians
Doctors near Smithtown who can order STD testing
Beyond dedicated clinics, 4,073 primary-care, OB-GYN, infectious-disease
and other clinicians practice within 30 miles of Smithtown — any of them can order a confidential STD panel as
part of a regular visit, and 1,541 offer telehealth.
These are licensed clinicians who can order STD testing during a visit — not dedicated STD-testing clinics.
Confirm services and availability before booking. Source: CMS Doctors & Clinicians (Medicare-enrolled providers).
Local context
About Smithtown, NY
Smithtown sits in Suffolk, New York — a large city, where it's a short drive from San Remo, and household incomes skew high. Most residents own their homes. With several testing options nearby, residents can choose a clinic, a lab, or a private at-home kit.
ZIP 11768 snapshot
Inside Smithtown's ZIP code
These ZIP-level Census figures show the demographics that shape testing demand in Smithtown.
Residents
21,908
Median age
50
Median income
$163,435
Getting there
How residents reach testing in Smithtown
Walkability6.7 / 20 · Below average
At 6.7/20 on the EPA walkability index, day-to-day errands in Smithtown generally mean driving — plan on a car or rideshare to reach a clinic, and check each listing's hours and phone before you go.
Source: EPA National Walkability Index 2021.
Have symptoms?
Do I have an STD?
Use our confidential symptom checker to see which STDs match your symptoms — and which tests are recommended near Smithtown.
Pharmacies stock FDA-authorized at-home STI and HIV self-tests and fill prescriptions for treatment. Locations via OpenStreetMap.
Nearby cities & towns
STD testing near Smithtown in Suffolk County
Just outside Smithtown? These nearby Suffolk County communities have their own testing guides — clinics, at-home kits, and free screening close to home.
Here's how reported STI rates in Suffolk County — the county that includes Smithtown — compare with New York and U.S. averages, based on the most recent 2023 surveillance data.
An estimated ~22% of Suffolk County residents are aged 15–34 (ACS) — the age group with the highest reported chlamydia and gonorrhea rates nationally, which is why local screening access matters here.
Lower chlamydia rate than 29% of the state's 62 counties (ranked #19)
Reported STD rates per 100,000 — Suffolk County vs New York vs U.S.
Suffolk CountyNew YorkU.S.
Infection
Suffolk County
New York
United States
Chlamydia
342.55,217 cases▼ 39%
558.4
492.2
Gonorrhea
70.51,074 cases▼ 70%
235.6
179.5
Syphilis (P&S)
5.889 cases▼ 61%
14.8
15.8
Syphilis (early)
11167 cases▼ 52%
23.1
16
Syphilis (late/unknown)
10.4159 cases▼ 59%
25.2
29.5
Rates per 100,000 population, 2023. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis). Population figures: U.S. Census Bureau ACS. County figures are the latest available surveillance estimates. Bars are scaled to the highest rate shown.
Reading these numbers: reported case rates only count infections that were actually tested for and diagnosed, so they track local screening effort as much as true spread — a higher rate can reflect more testing, a lower one less. Either way, most STIs cause no symptoms, so treat the figures above as context rather than a verdict, and test on the CDC's schedule regardless of how your area looks.
Reported STD rates in Suffolk County over time (per 100,000)
Chlamydia ▲ 1% vs 2022
Chlamydia
Gonorrhea
Syphilis (P&S)
Between 2020 and 2023 in Suffolk County, chlamydia has risen from 314.4 to 342.5 per 100,000 (9%), gonorrhea has risen from 69.3 to 70.5 per 100,000 (2%), and P&S syphilis has risen from 3.9 to 5.8 per 100,000 (49%).
The 2020 dip reflects reduced pandemic-era screening, not lower transmission. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis).
Community health context
What shapes testing access in and around Smithtown
Adults uninsured
3.3%
No routine checkup
16.2%
No transportation
4%
Binge drinking
16.6%
Frequent mental distress
12.4%
Depression
16.2%
Below poverty line
5.6%
Primary-care ratio
1,403 : 1
Suffolk County
Medically Underserved Area · IMU 53.9
Social Vulnerability Index · 26th percentile nationally
Sources: CDC PLACES (ZIP), County Health Rankings, CDC/ATSDR SVI, HRSA HPSA, HRSA MUA/P, Neighborhood Atlas ADI. Lower insurance coverage, fewer routine checkups, and a thin primary-care ratio all raise the value of low-cost public clinics and at-home testing in Suffolk County.
Local HIV snapshot
HIV in Suffolk County (2023)
People living with HIV
254 / 100k
New diagnoses (2023)
81
On PrEP (coverage)
38%
Suffolk County HIV care continuum (2023)
Suffolk County recorded 6.2 new HIV diagnoses per 100,000 (2023), against 14.1 statewide and 13.7 nationally.
Among Suffolk County residents living with HIV, 82.4% are in care · 77.3% are virally suppressed.
Early, routine testing is what moves these numbers — it is the entry point to PrEP, treatment, and viral suppression.
Sources: AIDSVu (Emory/Gilead) · CDC AHEAD · CDC AtlasPlus · CDC NCHHSTP AtlasPlus (county care continuum). The CDC recommends everyone aged 13–64 test for HIV at least once — every lab and clinic listed above offers HIV testing, and free rapid HIV testing is available at the county health department.
Pregnant or planning to be?
Congenital syphilis — passed from parent to baby in pregnancy — is the fastest-rising STI in the country.
U.S. cases climbed from 2,163 in 2020 to 3,882 in 2023.
It is almost entirely preventable: the CDC recommends a syphilis test at the first prenatal visit, and every clinic and lab listed for Suffolk County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Compiled and checked by EasySTD's editorial team against CDC and public-health sources. This is educational information, not a substitute for advice from a licensed clinician. Our editorial guidelines →
Two quick references for getting tested in Suffolk County: the CDC's screening schedule (who should test, and how often) and the detection "window" for each infection (the earliest a test can reliably detect it). Select any infection to open its in-depth testing guide — every clinic and lab listed above for Smithtown screens for them.
Who should get tested, and how often
Based on current CDC screening recommendations.
Group
Tests
How often
Everyone aged 13–64
HIV
At least once
Sexually active women under 25
Chlamydia, gonorrhea
Every year
Women 25+ with new or multiple partners
Chlamydia, gonorrhea
Every year
Pregnant people
HIV, syphilis, hepatitis B & C, chlamydia
Early in pregnancy
Gay & bisexual men (MSM)
Chlamydia, gonorrhea, syphilis, HIV
Every 3–6 months
Anyone who shares injection equipment
HIV, hepatitis B & C
At least yearly
All adults at least once
Hepatitis C
At least once
When to test: STD detection windows
Testing too early can return a false negative — confirm timing with a Smithtown-area provider.
These are the federal Medicare reference prices for processing each lab test. Public clinics and the
community health centers serving Smithtown often test free or on a sliding scale; private labs and at-home kits
bundle several tests into one fee. Use this as a per-test benchmark before you pay out of pocket, or see the full
guide to STD test costs for insurance, free, and at-home options.
Test
Reference price
CPT / HCPCS
Chlamydia (NAAT)
$47.80
87491
Gonorrhea (NAAT)
$47.80
87591
Trichomoniasis (NAAT)
$47.76
87661
HIV-1/2 antigen/antibody
$79.20
87389
HIV-1/2 antibody
$22.44
86703
Syphilis (RPR/VDRL)
$5.61
86592
Syphilis (treponemal antibody)
$17.49
86780
Herpes (HSV NAAT)
$47.76
87529
Hepatitis B surface antigen
$15.33
87340
Hepatitis C antibody
$29.16
86803
Source: Medicare Clinical Laboratory Fee Schedule, CMS — 2025 rates (data.cms.gov). Reference rate for the lab assay only — a clinic visit, sample collection, or a
bundled multi-test panel may cost more. Medicaid and most insurers cover STD screening at no out-of-pocket cost.
Prevention & treatment
PrEP, prevention & online treatment
Testing is one step. For residents of Smithtown, telehealth covers the rest of the picture — HIV-prevention
medication (PrEP) and DoxyPEP to lower future risk, and discreet online treatment if a result comes back
positive. All prescribed by licensed U.S. clinicians.
Prevent (PrEP & DoxyPEP)
Daily or on-demand medication that prevents HIV — and DoxyPEP, which lowers the risk of syphilis, chlamydia and gonorrhea.
Mistr
Free online PrEP & DoxyPEP — HIV prevention, home lab kits, no in-person visit
Pricing varies by insurance and changes often — confirm on the provider's site. These services are not a
substitute for emergency care.
Privacy
Confidentiality & consent in New York
The questions Smithtown residents ask most before testing, answered under New York law — which sets confidentiality and consent the same way statewide. Prefer to keep your name off the record? See our guide to anonymous STD testing.
Can a minor consent?
In New York, a minor of any age can consent to confidential STI testing and treatment on their own — no parental permission is required.
Will it show on my insurance?
If you use health insurance, an Explanation of Benefits (EOB) may be mailed to the policyholder. Under HIPAA you can ask your insurer in writing to send communications confidentially. To keep a test fully private, choose a self-pay private lab, an at-home kit, or a public health clinic — none of these bill your insurance.
Anonymous & no-insurance options
Public health clinics and at-home kits let you test without involving insurance or your regular doctor. Many New York health departments offer free or low-cost STI testing, and several sites provide anonymous HIV testing.
Can my partner be treated too?
Yes. New York permits Expedited Partner Therapy (EPT): if you test positive for chlamydia or gonorrhea, your provider can give you medication to pass to your partner — no separate exam or appointment needed for them.
Source: Guttmacher Institute — Minors' Access to STI Services; HIPAA 45 CFR 164.522; CDC — Legal Status of Expedited Partner Therapy (last updated Jul 2025). General information, not legal advice.
Good to Know
STD testing FAQs for Smithtown, NY
Answers to the questions people ask most before getting tested.
How many places can I test near Smithtown?
There are 11 options within a 30-mile drive.
Will my insurance pay for an STD test?
Usually yes — it can be billed to insurance, or paid out of pocket at a flat rate.
Can I get tested in Smithtown without insurance?
Public clinics serve people without insurance, often on a sliding scale.
What does a full STD panel cover?
A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.
What's the local chlamydia rate?
Suffolk County reported ~343 chlamydia cases per 100,000 in 2023, below the New York average.
Is my STD test private?
Your results are part of your HIPAA-protected medical record; you can ask any clinic about its own privacy practices.
My test was positive — what now?
A positive means treatment is the next step; many STIs are cured with antibiotics, and all are treatable.
What's the test for syphilis?
A blood draw screens for syphilis, with a confirmatory test if it's reactive.
Can STDs be treated near Smithtown?
Many STIs are fully cured with antibiotics; others, like HIV and herpes, are well managed with treatment.
Can I have an STD and feel completely healthy?
Yes — most STIs cause no symptoms for a long time, which is exactly why routine screening matters.
