Reported syphilis in Fairfield County runs about 66% lower than the US average. Whether it's your first STI test or a routine screening in Greenwich, Connecticut, you'll find some clinics offer same-day walk-in testing, while labs and at-home kits let you schedule around your own time. See the options below.
Available testing centers
12 testing options are listed for Greenwich, CT. The nearest, Greenwich Hospital, is about 2.2 miles away. Compare 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.
Source: CMS FQHC & Rural Health Clinic enrollment files (data.cms.gov), refreshed quarterly. Title X status reflects the latest OPA grantee list.
Greenwich Hospital requires an appointment, yet that single visit covers HIV, syphilis, gonorrhea, chlamydia, herpes, hepatitis A, B, and C, and TB testing alongside same-visit bacterial treatment. All on a sliding-scale fee, with every service ultimately provided at no charge.
Fee schedules at clinics often leave gaps, a test covered, a follow-up not, a vaccine out-of-pocket. Greenwich Hospital closes that gap entirely: every service, from the initial panel to hepatitis B treatment and mpox vaccination, is provided at no fee, regardless of what the visit requires.
Greenwich Hospital's standing capability includes interpretation services for non-English languages across all care: meaning a patient navigating PrEP dosing instructions, hepatitis C treatment, or medication adherence counseling engages with that information directly, not filtered through a gap in comprehension that compounds at exactly the wrong moment.
Greenwich Hospital prescribes PrEP (daily pre-exposure HIV prevention), PEP (post-exposure HIV prevention), and DoxyPEP (doxycycline post-exposure prophylaxis for bacterial STIs): three distinct prevention regimens under one clinical roof, which means ongoing monitoring, adherence counseling, and prescription management stay consolidated rather than scattered across separate providers.
Languages
English, Interpretation Services Available for Non-English Languages
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Mar 2026 · Source: CDC NPIN
Greenwich Department of Health brings public-health infrastructure to STI care, covering rapid and conventional HIV, syphilis, gonorrhea, chlamydia, hepatitis B, and hepatitis C (with same-visit treatment for bacterial infections, sliding-scale fees, and an appointment required) all at no charge.
Greenwich Department of Health carries no fee for any service on its menu: tests, treatment, vaccines, and counseling included. For anyone without a regular provider or paying entirely out of pocket, that means the full visit, from screening through same-visit bacterial treatment, settles at zero.
Skipping hepatitis testing means a separate appointment elsewhere to close a gap that often goes unnoticed until it's chronic. Greenwich Department of Health screens for both hepatitis B and hepatitis C alongside HIV, syphilis, gonorrhea, and chlamydia, and administers the hepatitis B vaccine on-site, so nothing is left pending a second referral.
Languages
English
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Sep 2025 · Source: CDC NPIN
Family Centers Health Care at Wilbur Peck Court, Greenwich, earned federal qualification that ties its STI screening fees directly to patient income on a sliding scale. Syphilis, gonorrhea, and chlamydia testing are available without appointments, with costs adjusted so no fixed price stands between anyone and care.
Tests offered
Fees & payment
FCHC at 20 Bridge Street in Greenwich carries federal qualification that anchors its sliding-scale fee structure, adjusting STI screening costs to each patient's income. Walk-ins are welcome for syphilis, gonorrhea, and chlamydia testing, with no appointment needed to get started.
Tests offered
Fees & payment
Family Centers Health Care at 75 Holly Hill, in Greenwich, carries federal FQHC status that ties its STI screening fees to a sliding scale based on income. No one is turned away for inability to pay. Walk-ins are welcome for syphilis, gonorrhea, and chlamydia testing.
Tests offered
Fees & payment
Anchor Health in Stamford pairs rapid and conventional HIV testing with same-visit treatment for bacterial STIs like gonorrhea and chlamydia, and covers the full hepatitis panel. Every test and service runs on a sliding scale, with HIV and STI testing offered at no charge.
A cost that appears mid-care (after a diagnosis, between a test and its treatment) can quietly become the reason care stops. At Anchor Health, every service carries no fee, so nothing between a positive result and its follow-up treatment is contingent on what someone can afford to pay.
Language gaps at the point of care, where a patient can't ask a follow-up question or fully understand a diagnosis, often get papered over with inadequate solutions. Anchor Health makes interpretation services available for non-English languages as part of the visit, keeping the clinical conversation intact.
Anchor Health prescribes and manages both PrEP and PEP directly, which means a patient starting either medication builds a relationship with the same clinical team that handles their ongoing STI and HIV care. Continuity that makes adherence markedly easier to sustain.
Languages
English, Interpretation Services Available for Non-English Languages
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Apr 2026 · Source: CDC NPIN
CGC Palmers Hill CGC, in Stamford, earned federal qualification as a community health center, which means its STI screening fees follow a sliding scale tied to your income. Walk-in appointments are welcome for syphilis, gonorrhea, and chlamydia testing, making routine screening financially realistic for people at any income level.
Tests offered
Fees & payment
Planned Parenthood of Stamford runs by appointment, and a single visit covers gonorrhea, chlamydia, syphilis, herpes, hepatitis B and C, and rapid or conventional HIV testing. Bacterial infections treated the same day, fees on a sliding scale for everyone.
Spanish is available directly at this Stamford location, with interpretation services extending to other languages as well: meaning test results, treatment instructions, and prevention conversations can move forward in the language someone actually uses to make decisions.
As a Title X family planning site, Planned Parenthood of Stamford provides legally confidential services for minors: a federal designation that keeps STI testing, treatment, and related care outside the reach of parental disclosure requirements, a protection that goes beyond standard clinic policy.
Many clinics offering PrEP never add DoxyPEP to the prevention toolkit: Planned Parenthood of Stamford prescribes all three: PrEP for ongoing HIV prevention, PEP for post-exposure HIV management, and DoxyPEP for bacterial STI prevention after potential exposure.
Languages
English, Interpretation Services Available for Non-English Languages, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Jun 2026 · Source: CDC NPIN
Free tool · not a clinic
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 |
|---|---|---|
| Chlamydia | 7 days after exposure | 14 days after exposure |
| Gonorrhea | 7 days after exposure | 14 days after exposure |
| Trichomoniasis | 7 days after exposure | 28 days after exposure |
| HIV (NAT / RNA) | 10 days after exposure | 33 days after exposure |
| HIV (4th-gen Ag/Ab) | 18 days after exposure | 45 days after exposure |
| HIV (antibody) | 21 days after exposure | 84 days after exposure |
| Syphilis | 21 days after exposure | 42 days after exposure |
| Hepatitis B | 21 days after exposure | 42 days after exposure |
| Hepatitis C | 56 days after exposure | 77 days after exposure |
| Herpes (HSV) | 28 days after exposure | 112 days after exposure |
Guidance only, confirm timing with a clinician. A negative result before the conclusive date may need a repeat test.
Typical out-of-pocket ranges by option, actual cost depends on which tests you need.
Public / community clinic
Free HIV testing is common
Private lab (self-pay)
Never billed to insurance
At-home kit
Mailed to your door, private
Doctor / urgent care
Often $0 preventive with insurance
No centers match those filters. Clear the service-type filter or the opening-hours filters to see every center.
Every other option
Beyond the dedicated testing centers above: at-home kits by mail, hospital labs certified for STI testing, local clinicians who can order a panel during a regular visit, pharmacies for self-test kits and prescriptions, and online PrEP & treatment.
Test from home
The nearest testing center is about 2 miles away; if you'd rather skip the trip, an at-home kit ships to Greenwich, 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 (opens in a new tab) 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.
In-home collection
$79 & up
Best range: couples & full panels
$79 & up
Best value: single tests
$49 & up
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.
Also in the area
Beyond the public testing sites above, these federally certified (CLIA) labs serve Fairfield 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.
77 Lafayette Place, Suite 202-A, Greenwich, CT 06830
CMS-certified lab
31 River Road, Suite 100, Cos Cob, CT 06807
CMS-certified lab
500 West Putnam Avenue, Greenwich, CT 06830
CMS-certified lab
644 West Putnam Avenue, Greenwich, CT 06830
CMS-certified lab
55 Holly Hill Lane, Suite 270, Greenwich, CT 06830
CMS-certified lab
Showing the nearest 5 CLIA-certified labs.
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Greenwich. A CLIA certificate records only that a laboratory is federally certified — it does not confirm the site performs STD testing, nor its hours, price or access. Inclusion is not an endorsement; always call to verify.
Local clinicians
Beyond dedicated clinics, 8,985 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Greenwich. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 3,362 offer telehealth.
Daniel Bal, MD Telehealth
Family medicine · 75 Holly Hill Lane, Greenwich
Joseph Feuerstein, MD
Family medicine · 5 Perryridge Road, Greenwich
Michelle Wallenstein, MD
OB-GYN · 5 Perryridge Road, Greenwich
Alan Schrager, MD
Urology · 5 Perryridge Road, Greenwich
Gavin Mcleod, MD
Infectious disease · 5 Perryridge Road, Greenwich
Nazanine Khairkhah, MD Telehealth
Internal medicine · 49 Lake Avenue, Greenwich
These are registry-listed clinicians, not dedicated STD-testing clinics. CMS records do not independently verify current licensure, testing services, availability, price, or new-patient status. Confirm each detail before booking. Source: CMS Doctors & Clinicians.
Nearby pharmacies
No pharmacy near Greenwich, CT publishes an STD-related service or holds a current CLIA testing certificate, so these are simply the closest. Contact a location directly to confirm counter hours, services, prices, and availability before visiting.
Palmer Pharmacy
2.3 miFinch Pharmacy
2.4 mi
2.6 mi Greenwich Pharmacy
2.6 miShowing the 4 closest pharmacies to Greenwich, CT.
Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.
Prevention & treatment
Testing is one step. For residents of Greenwich, telehealth covers the rest: 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.
$0 with most insurance
Free online PrEP & DoxyPEP: HIV prevention, home lab kits, no in-person visit
Visit from $0 insured
Telehealth STI treatment and sexual-health care, delivered or to your pharmacy
Visit from $39
Online STI treatment & DoxyPEP: same-day prescriptions to your pharmacy
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
Pricing varies by insurance and changes often, confirm on the provider's site. These services are not a substitute for emergency care.
STD stats & rates
How reported STI rates in Fairfield County, the county that includes Greenwich, compare with Connecticut and U.S. averages, based on the most recent 2021 surveillance data. An estimated ~22% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#7 of 17 Connecticut counties for chlamydia, a higher rate than 59% of the state
| Infection | Fairfield County | Connecticut | United States |
|---|---|---|---|
| Chlamydia | 354.4 3,401 cases ▼ 3% | 364.8 | 492.2 |
| Gonorrhea | 112.7 1,082 cases ▼ 1% | 113.3 | 179.5 |
| Syphilis (P&S) | 5.3 51 cases ▼ 27% | 7.3 | 15.8 |
| Syphilis (early) | 6 58 cases ▲ 88% | 3.2 | 16 |
| Syphilis (late/unknown) | 4.6 44 cases ▼ 70% | 15.3 | 29.5 |
Rates per 100,000 population, 2021. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis). Population figures: U.S. Census Bureau ACS. These 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.
Between 2020 and 2021 in Fairfield County, chlamydia has risen from 296.2 to 354.4 per 100,000 (20%), gonorrhea has risen from 94.5 to 112.7 per 100,000 (19%), and P&S syphilis has fallen from 5.4 to 5.3 per 100,000 (2%).
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
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 Fairfield County.
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 Fairfield County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Cos Cob and Pemberwick sit on opposite ends of Greenwich's economic spectrum, yet residents in both neighborhoods share the same calendar squeeze: with nearly two-thirds of working-age adults in the labor force, weekday clinic hours and long drives on the Merritt Parkway can turn a straightforward errand into something that keeps getting postponed. That scheduling reality matters most for the young adults in their late teens and twenties who account for a meaningful slice of Greenwich's population, precisely the years when STI transmission peaks and when routine screening is easiest to let slide.
The ownership picture here is telling: nearly two-thirds of households own their homes, and the typical home value puts Greenwich firmly among Connecticut's most expensive markets, but rental costs running close to two thousand dollars a month mean that even renters are managing tight budgets. In a town where six-figure household incomes are the majority, cost-sharing and insurance coverage still vary enough that knowing your options in advance, including sliding-scale fees, changes whether an appointment actually gets made.
Getting there
At 9.46/20 on the EPA walkability index, day-to-day errands in Greenwich 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.
ZIP 06830 snapshot
ZIP-level Census figures for the wider 06830 area around Greenwich: a single ZIP can span several communities, so they describe the area, not Greenwich alone.
Greenwich sits in Fairfield County, ZIP 06830. Local context that shapes where residents test:
Local landmarks
Neighborhoods & communities
Major routes
Nearby cities & towns
Just outside Greenwich? These nearby communities have their own testing guides: clinics, at-home kits, and free screening close to home.
Reference
Everything to know before you test in Fairfield County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Connecticut law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.
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 |
Testing too early can return a false negative, confirm timing with a Greenwich-area provider.
| Infection | Earliest reliable test | Sample |
|---|---|---|
| Chlamydia | 1–2 weeks | Urine or swab |
| Gonorrhea | 1–2 weeks | Urine or swab |
| Trichomoniasis | 1–4 weeks | Urine or swab |
| HIV (NAT / RNA) | 10–33 days | Blood |
| HIV (4th-gen Ag/Ab) | 18–45 days | Blood |
| HIV (antibody) | 3–12 weeks | Blood / oral |
| Syphilis | 3–6 weeks | Blood |
| Hepatitis B | 3–6 weeks | Blood |
| Hepatitis C | 8–11 weeks | Blood |
| Herpes (HSV) | 4–16 weeks (antibody); swab a sore | Blood / swab |
These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Greenwich 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 | $26.87 | 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.
Two things that actually depend on Connecticut law: who can consent, and whether partners can be treated without their own visit. Everything else about testing privately is the same nationwide (see below).
In Connecticut, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.
Connecticut permits Expedited Partner Therapy (EPT): if you test positive for chlamydia or gonorrhea, your provider can give you medication (or a prescription) to pass to your partner, no separate exam or appointment needed for them.
Keeping a test private works the same in every state. Whether an STD test shows on insurance (the EOB), how to test anonymously, and self-pay options that leave no insurance trail don’t change by location.
Learn more about confidential STD testing in ConnecticutSource: Guttmacher Institute, Minors' Access to STI Services; CDC, Legal Status of Expedited Partner Therapy. General information, not legal advice.
Good to Know
Answers to the questions people ask most before getting tested.
The closest is Greenwich Hospital (2.2 mi); 12 options are within 30 miles.
Most plans cover STD screening; a clinic or lab can bill insurance, or you can pay a flat self-pay price.
Yes, Greenwich Hospital (2.2 mi) offers free testing, and public clinics serve the uninsured.
Local options test for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, a full panel covers the common ones.
About 354 cases per 100,000 residents (2021), below the Connecticut average.
Yes, at-home kits ship to 06830; you collect a sample, mail it back, and get results in about 2–5 days.
In Connecticut, people under 18 can consent to confidential STD testing and treatment on their own.
PrEP (HIV-prevention medicine for HIV-negative people) is available locally, any provider can prescribe it.
Yes, most chlamydia infections cause no symptoms, so screening is the only reliable way to catch it.
A urine sample or a swab (genital, throat, or rectal) detects gonorrhea, often tested alongside chlamydia.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.