In Darke County, the rate of reported gonorrhea is 75% lower than the US average. Whether you want to get tested before starting a new relationship or as part of ongoing care in Castine, Ohio, you can choose to visit a local clinic to talk with a provider and start treatment, or use an at-home kit for a flexible sample collection schedule.
Available testing centers
7 testing options are listed for Castine, OH. The nearest, Family Health Services of Darke County, is about 5.0 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.
Family Health Services of Darke County, in New Madison, roots STI care inside a family practice, so testing, treatment, and follow-up share a chart with your broader health history. The standard panel, sliding-scale fees, same-visit treatment for bacterial infections, and HPV, hepatitis A, and hepatitis B vaccines are all available by appointment, with services offered in Spanish.
Beyond gonorrhea, chlamydia, syphilis, and HIV, Family Health Services of Darke County tests for herpes at the same appointment. That means a single visit generates results across five infections rather than four, with same-visit treatment available for any bacterial findings confirmed that day.
Spanish functions as a direct care language at Family Health Services of Darke County: consultations, counseling, and STI education are conducted in Spanish, not routed through a separate service. For patients whose health history is clearest in Spanish, that continuity runs through every stage of the appointment.
Languages
English, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Feb 2026 · Source: CDC NPIN
Reid Health in Greenville tests for gonorrhea, chlamydia, syphilis, and HIV on a fee-based schedule accepted by Medicaid, Medicare, and most private insurance. Treatment for bacterial STIs is handled at the same visit, and appointments are required.
Languages
English
Tests offered
Care services
Fees & payment
Listing verified Apr 2026 · Source: CDC NPIN
Family Health Services of Darke County - Brethren Retirement Community, in Greenville, welcomes walk-ins for STI screening. No appointment needed. Federal qualification underpins its sliding-scale fees, keeping syphilis, gonorrhea, and chlamydia testing within reach for patients across the income spectrum.
Tests offered
Fees & payment
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 5 miles away; if you'd rather skip the trip, an at-home kit ships to Castine, 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 Darke 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.
1111 Sweitzer Street, Greenville, OH 45331
CMS-certified lab Accredited · COLA
835 Sweitzer Street, Greenville, OH 45331
CMS-certified lab Accredited · College of American Pathologists
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Castine. 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, 655 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Castine. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 179 offer telehealth.
Sherry Adkins, MD
Family medicine · 101 Anderson Street, New Madison
Lewis Mahran, DO
Family medicine · 5735 Meeker Road, Greenville
Ammar Asif, MD
Internal medicine · 835 Sweitzer Street, Greenville
Timothy Kathman, MD
Internal medicine · 835 Sweitzer Street, Greenville
Harold Edmiston, DO
Family medicine · 828 Central Avenue, Greenville
Patrick Karr, DO
OB-GYN · 820 Central Avenue, Greenville
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 Castine, OH 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.
Family Health Services of Darke County
6.0 miFamily Health Pharmacy
11 mi
11 mi 
11 mi Kettering Health Pharmacy Preble
11 miShowing the 5 closest pharmacies to Castine, OH.
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 Castine, 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
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
$0 with most insurance
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.
STD stats & rates
How reported STI rates in Darke County, the county that includes Castine, compare with Ohio and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~18% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#74 of 88 Ohio counties for chlamydia, a higher rate than 16% of the state
| Infection | Darke County | Ohio | United States |
|---|---|---|---|
| Chlamydia | 169.2 87 cases ▼ 63% | 461.7 | 492.2 |
| Gonorrhea | 44.7 23 cases ▼ 73% | 168 | 179.5 |
| Syphilis (P&S) | — no data | 16.3 | 15.8 |
| Syphilis (early) | — no data | 9.2 | 16 |
| Syphilis (late/unknown) | 3.9 2 cases ▼ 76% | 16 | 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 Darke County, chlamydia has fallen from 214 to 169.2 per 100,000 (21%), gonorrhea has risen from 40.5 to 44.7 per 100,000 (10%), and P&S syphilis has risen from 3.9 to 7.8 per 100,000 (100%).
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 Darke County.
Local HIV snapshot
Darke County HIV care continuum (2023)
Darke County recorded 0 new HIV diagnoses per 100,000 (2023), against 8.8 statewide and 13.7 nationally. Among Darke County residents living with HIV, 83.9% are in care · 83.9% 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 Darke County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Castine's economy turns on small manufacturing and agricultural supply, work that demands steady hands and reliable attendance. That same steadiness applies to health: routine STI screening fits naturally into the life of someone building a career or managing a household. Testing in and around Castine is straightforward and confidential, and clinics listed on this page understand that a quick result matters when you're balancing work, family, and your own peace of mind. Young adults in Castine (people establishing themselves in jobs, relationships, and the community) often find that regular screening becomes as ordinary as any other preventive step. The stigma many expect rarely materializes in a town where people tend to handle their own business without fanfare.
Confidentiality is built into how testing works: what you discuss with a provider stays with them, and results don't flow to employers, schools, or anyone else without your say-so. Getting tested near Village Park or along US 127 takes no special planning. Clinics in the area work with straightforward scheduling, brief visits, and clear communication about what to expect and when results arrive. For residents who want to know their status without delay or drama, that accessibility is what counts.
Getting there
At 4.78/20 on the EPA walkability index, day-to-day errands in Castine 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 45304 snapshot
ZIP-level Census figures for the wider 45304 area around Castine: a single ZIP can span several communities, so they describe the area, not Castine alone.
Castine sits in Darke County, ZIP 45304. Local context that shapes where residents test:
Local landmarks
Major routes
Nearby cities & towns
Just outside Castine? 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 Darke County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Ohio 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 Castine-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 Castine 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 Ohio 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 Ohio, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.
Ohio 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 OhioSource: 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 Family Health Services of Darke County (5 mi); 7 options are within 30 miles.
Medicaid generally covers STD testing, and public clinics test for free regardless of coverage.
Yes, community and public clinics test the uninsured, with sliding-scale fees.
Local options test for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, a full panel covers the common ones.
About 169 cases per 100,000 residents (2023), below the Ohio average.
In Ohio, people under 18 can consent to confidential STD testing and treatment on their own.
A urine sample or a swab (genital, throat, or rectal) detects gonorrhea, often tested alongside chlamydia.
Likely yes, if you were past the window period; otherwise retest, and keep up routine screening with new partners.
Start treatment, tell recent partners so they can test, avoid sex until cleared, and retest if advised, most STIs resolve with care.
It depends: a blood draw covers HIV, syphilis, and hepatitis, while urine or a swab covers chlamydia and gonorrhea.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.