Gonorrhea cases in Middlesex County are about 36% lower than the national average. If you need STI testing in Cambridge, Massachusetts for a one-time concern or regular check-ups, clinics may bill insurance or offer sliding-scale fees, while private labs often let you pay a flat self-pay price. Use this list to weigh your options.
Available testing centers
12 testing options are listed for Cambridge, MA. The nearest, Y2y Harvard Square, is about 0.1 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.
Y2y Harvard Square, in Cambridge, draws its STI care from federal community health center funding, which translates directly into sliding-scale fees tied to income. Walk-ins are welcome for syphilis, gonorrhea, and chlamydia screening, with no set price keeping anyone from the door.
Tests offered
Fees & payment
Cambridge Health Alliance in Cambridge handles the full bacterial panel (gonorrhea, chlamydia, syphilis) and treats confirmed bacterial infections the same visit, alongside rapid and conventional HIV testing, herpes, and TB. Fees run on a sliding scale, with Medicaid and private insurance accepted. Appointments are required.
Cambridge Health Alliance offers Spanish-language care directly and interpretation services for other languages, which means a patient's full exposure history, symptoms, and treatment instructions land in the language they actually use. Not summarized after the fact by a third party.
Ryan White funding at Cambridge Health Alliance supports HIV care for people without the insurance or income to sustain ongoing treatment, from the initial test through antiretroviral management. For someone who needs a consistent HIV provider and can't absorb out-of-pocket medication costs, that funding source keeps care continuous rather than episodic.
Cambridge Health Alliance operates under Title X, which makes family planning services, including STI testing and contraception, legally confidential for minors, meaning a young person can access care without that visit appearing on a parent's insurance or records.
Languages
English, Interpretation Services Available for Non-English Languages, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Aug 2025 · Source: CDC NPIN
Fenway Health in Cambridge covers the full bacterial and viral panel (gonorrhea, chlamydia, syphilis, hepatitis C, and rapid or conventional HIV) treating bacterial infections the same day and providing PrEP, with every service at no fee and no appointment required.
Sliding-scale models still produce a bill for many people, discounted, but real. Fenway Health charges nothing for any service on its menu: testing, treatment, PrEP, counseling, needle exchange. The cost of care at this clinic is zero, across the board, with no exceptions buried in the fine print.
When a clinic can't deliver care in Spanish, the practical result is delayed treatment. A follow-up that doesn't happen, a prescription that goes unfilled, a question that never gets asked. Fenway Health in Cambridge provides STI care directly in Spanish, keeping the entire care relationship intact rather than fragmenting it across appointments.
Ryan White Program funding at Fenway Health means HIV care doesn't stop at a positive result, it extends through ongoing treatment, with the program absorbing costs that would otherwise interrupt continuity. That federal backing is what keeps a person moving from diagnosis into sustained viral management without a financial break in the chain.
Languages
English, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified May 2026 · Source: CDC NPIN
Massachusetts Alliance of Portuguese Speakers in Cambridge requires an appointment for STI care and folds syphilis, gonorrhea, chlamydia, and HIV testing into that single scheduled visit. All priced on a sliding scale tied to income, so cost adjusts to what each patient can pay.
Languages
English, Portuguese, Spanish
Tests offered
Serves
Prevention services
Fees & payment
Listing verified Nov 2025 · Source: CDC NPIN
Planned Parenthood League of Massachusetts in Boston covers the full STI panel (HIV, hepatitis B and C, syphilis, gonorrhea, chlamydia, and herpes) with same-visit treatment for bacterial infections on a sliding-scale fee open to all; appointments are required.
Spanish is spoken directly at this Boston clinic, and interpretation services extend to additional non-English languages for other speakers. Direct-language care means clinical conversations (symptoms, dosing instructions, follow-up steps) happen without a go-between, which reduces the room for miscommunication in decisions that carry real consequences.
Title X federal designation makes confidential STI and family planning services for minors a legal guarantee at this clinic, not a discretionary policy. That protection covers testing, treatment, and contraception. Meaning a minor's care cannot be disclosed without their consent.
For anyone managing ongoing HIV prevention (whether starting daily PrEP, needing PEP, or considering DoxyPEP to reduce bacterial STI risk after condomless sex) Planned Parenthood League of Massachusetts holds all three prescribing capabilities in Boston. Having a single clinic that handles the full prevention toolkit is especially useful for people without a regular primary care provider.
Languages
English, Interpretation Services Available for Non-English Languages, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Jul 2025 · Source: CDC NPIN
Charles River Community Health in Brighton operates on a sliding scale and accepts Medicaid, Medicare, and private insurance, covering gonorrhea, chlamydia, syphilis, rapid and conventional HIV, herpes, hepatitis B, hepatitis C, and TB. With same-visit treatment for bacterial infections. Appointments are required.
Plenty of STI clinics test for the four most-ordered infections and leave herpes, hepatitis B, and hepatitis C to a separate appointment somewhere else. Charles River Community Health runs a single panel that includes all of them, so gaps in the picture don't go unexamined.
Charles River Community Health prescribes PrEP, PEP, and DoxyPEP directly, which means prevention planning, whether ongoing or time-sensitive, doesn't require a separate provider or a second intake process.
Many clinics handle language needs by connecting patients to a remote line mid-visit, leaving the conversation fragmented. At Charles River Community Health in Brighton, interpretation services for non-English languages are woven into care itself, so the clinical conversation stays intact from start to finish.
Languages
English, Interpretation Services Available for Non-English Languages
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Dec 2025 · Source: CDC NPIN + HRSA
Holtzman Medical Group in Brookline tests for HIV, syphilis, gonorrhea, chlamydia, herpes, and hepatitis A, B, and C on a fee-based sliding scale, with same-visit treatment for bacterial infections and same-day TB testing. Appointments required.
Holtzman runs herpes and hepatitis A, B, and C alongside the standard bacterial panel: meaning a single visit produces a fuller picture of what's circulating, and conditions that might otherwise go undetected until symptoms appear get caught and addressed at the source.
Many primary-care offices handle PrEP but stop there, leaving PEP and DoxyPEP to specialists elsewhere. Holtzman prescribes and manages all three under one provider relationship, so prevention strategy can be adjusted as a patient's circumstances change without bouncing between practices.
Holtzman maintains interpretation services for non-English-speaking patients: not a back-channel workaround but a staffed capability that covers the clinical exchange itself: discussing symptoms, reviewing results, and walking through medication instructions in the language the patient uses.
Languages
English, Interpretation Services Available for Non-English Languages
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Oct 2025 · Source: CDC NPIN
Atrius Health in Boston tests for HIV, gonorrhea, chlamydia, syphilis, hepatitis B, and hepatitis C, treating bacterial infections the same visit. Fees apply and insurance is accepted; an appointment is required.
Atrius Health prescribes both PrEP and PEP directly, pairing the prescription with the follow-up labs and adherence counseling that make either regimen actually work. Monitoring for kidney function and resistance markers happens within the same clinical relationship, not handed off elsewhere.
Clinics that limit their panel to gonorrhea, chlamydia, syphilis, and HIV leave hepatitis B and C undetected until symptoms surface elsewhere. Atrius Health tests for both, and pairs the hepatitis B test with vaccination for those who need it.
Languages
English
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Aug 2025 · 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 less than a mile away; if you'd rather skip the trip, an at-home kit ships to Cambridge, 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 value: single tests
$49 & up
Best for simplicity & support
$89 & 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 Middlesex 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.
1611 Cambridge Street, Cambridge, MA 02138
CMS-certified lab Accredited · College of American Pathologists
840 Memorial Drive, Cambridge, MA 02139
CMS-certified lab Accredited · College of American Pathologists
1493 Cambridge Street, Cambridge, MA 02139
CMS-certified lab Accredited · College of American Pathologists
65 Landsdowne Street 3rd Floor, Cambridge, MA 02139
CMS-certified lab Accredited · Joint Commission
25 Carleton Street East 23- 154, Cambridge, MA 02142
CMS-certified lab Accredited · College of American Pathologists
Showing the nearest 5 CLIA-certified labs.
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Cambridge. 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, 4,833 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Cambridge. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 2,381 offer telehealth.
Melissa Bartick, MD
Internal medicine · Cambridge Health Alliance, Cambridge
Jean Fechheimer, MD
OB-GYN · 75 Mount Auburn Street, Cambridge
Giang Nguyen
Family medicine · 75 Mount Auburn Street, Cambridge
Alexandra Houck, MD Telehealth
Internal medicine · 75 Mount Auburn Street, Cambridge
Jessica Small, MD Telehealth
Family medicine · 1611 Cambridge Street, Cambridge
Brian Chan, MD
Infectious disease · 1575 Cambridge Street, Cambridge
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 Cambridge, MA 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.
0.2 mi President & Fellows of Harvard College
0.3 miSkenderian Apothecary
0.5 mi
0.6 mi Showing the 4 closest pharmacies to Cambridge, MA.
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 Cambridge, 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.
Visit from $39
Online STI treatment & DoxyPEP: same-day prescriptions to your pharmacy
$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
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 Middlesex County, the county that includes Cambridge, compare with Massachusetts and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~49% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#9 of 14 Massachusetts counties for chlamydia, a higher rate than 36% of the state
| Infection | Middlesex County | Massachusetts | United States |
|---|---|---|---|
| Chlamydia | 317.6 5,158 cases ▼ 23% | 412.7 | 492.2 |
| Gonorrhea | 114 1,852 cases ▼ 18% | 139.8 | 179.5 |
| Syphilis (P&S) | 8.6 139 cases ▼ 19% | 10.6 | 15.8 |
| Syphilis (early) | 10.8 175 cases ▲ 5% | 10.3 | 16 |
| Syphilis (late/unknown) | 11.6 188 cases ▼ 15% | 13.7 | 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. 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 2023 in Middlesex County, chlamydia has risen from 258.8 to 317.6 per 100,000 (23%), gonorrhea has risen from 74.8 to 114 per 100,000 (52%), and P&S syphilis has risen from 6.9 to 8.6 per 100,000 (25%).
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 Middlesex County.
Local HIV snapshot
Middlesex County HIV care continuum (2023)
Middlesex County recorded 5.6 new HIV diagnoses per 100,000 (2023), against 8.8 statewide and 13.7 nationally. Among Middlesex County residents living with HIV, 71.2% are in care · 64.2% 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 a local health department.
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 Middlesex County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
In the heart of Harvard Square, where the bustle of Massachusetts Avenue meets the tranquility of Flagstaff Park, residents navigate a complex landscape of work, life, and relationships. Many of them are young adults still forming connections, with a significant portion of the population in their late teens and twenties. For these individuals, finding convenient and low-pressure access to health services can be a challenge.
The neighborhood's mix of high-rise apartments and single-family homes reflects the area's blend of long-term residents and newcomers. With a predominantly renter population, monthly rent payments are a significant consideration for many households. Those who do own homes often have substantial equity, but the typical home value is out of reach for many. As people balance work and personal life, the demands of a busy schedule can make it hard to prioritize health screenings.
For those living in Mid-Cambridge or working along the Brattle Street corridor, getting to a testing site can require some planning. Given the local workforce's strong labor-force participation and high earning potential, with many households bringing in substantial incomes, the cost of missing work for a health appointment can be steep. For young professionals and families, securing affordable and accessible health services – including low-friction screening options – near places like the Cambridge Common or Irish Famine Memorial can make all the difference in maintaining their well-being, especially for those with limited financial buffers.
Getting there
Cambridge scores 15.69/20 on the EPA walkability index, so many trips are walkable or a short ride, though a car still gives you the widest choice of testing centers.
Source: EPA National Walkability Index 2021.
ZIP 02139 snapshot
ZIP-level Census figures for the wider 02139 area around Cambridge: a single ZIP can span several communities, so they describe the area, not Cambridge alone.
Cambridge sits in Middlesex County, ZIP 02139. Local context that shapes where residents test:
Local landmarks
Neighborhoods & communities
Major routes
Nearby cities & towns
Just outside Cambridge? 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 Middlesex County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Massachusetts 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 Cambridge-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 Cambridge 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 Massachusetts 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 Massachusetts, a minor may consent to confidential STI testing and treatment on their own; a provider may inform a parent only if they judge the minor's health to be in serious danger.
Massachusetts 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 MassachusettsSource: 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.
Yes, several local labs offer same-day walk-in testing; best to call first.
Usually yes, it can be billed to insurance, or paid out of pocket at a flat rate.
Yes, free HIV testing is available at public clinics in the area.
A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.
Middlesex County reported ~318 chlamydia cases per 100,000 in 2023, below the Massachusetts average.
In Massachusetts, people under 18 can consent to confidential STD testing and treatment on their own.
Yes, PrEP, a daily pill that helps prevent HIV in HIV-negative people, is available in the area.
Many STIs are fully cured with antibiotics; others, like HIV and herpes, are well managed with treatment.
Yes, syphilis is cured with antibiotics (usually penicillin), and earlier treatment prevents long-term damage.
Sexually active people, especially under 25 or with new/multiple partners; everyone 13–64 should test for HIV at least once.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.