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STD Testing in Johnstown, WY: Free, Same-Day & Confidential

In Fremont County, there are about 510 chlamydia cases per 100,000 residents. If you're considering testing after a possible exposure or for routine care in Johnstown, Wyoming, weigh whether you prefer clinic visits that may involve insurance billing or flat fees at private labs. We list some options for you below.

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  • Clinics, labs & at-home kits compared
  • Free & low-cost options included
  • Backed by CDC, CMS & Census data
  • Editorially reviewed

Available testing centers

STD testing near Johnstown, WY

6 testing options are listed for Johnstown, WY. The nearest, Warm Valley Health Care, is about 12.0 miles away. Compare 3 community and public clinics, private labs, and at-home kits below.

How to read these listings

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.

Community health center 12.0 miles

Warm Valley Health Care

No ratings yet

Warm Valley Health Care in Fort Washakie meets patients where other options fall short: whether uninsured, paying cash, or simply between providers. As an NHSC sliding-fee site, it ties costs to income, offering syphilis, gonorrhea, chlamydia, and HIV screening without a fixed price wall.

Sliding-scale
Address
29 Black Coal Drive, Fort Washakie, WY 82514
Booking
Appointment required
Opening hours
  • Monday 8:00 AM – 5:00 PM
  • Tuesday 8:00 AM – 5:00 PM
  • Wednesday 8:00 AM – 5:00 PM
  • Thursday 8:00 AM – 5:00 PM
  • Friday 8:00 AM – 5:00 PM
  • Saturday Closed
  • Sunday Closed
Website
13.8 miles

Indian Health Service

No ratings yet

Indian Health Service in Arapahoe requires an appointment and covers gonorrhea, chlamydia, syphilis, herpes, and HIV testing on a sliding-scale fee, with same-visit treatment for bacterial infections, HPV vaccination, and family planning folded into a single scheduled visit.

Read full overview Show less

Substance-Use Treatment Runs Alongside STI Care

Indian Health Service carries substance-abuse treatment as a named clinical service, not a referral destination. Meaning a patient managing addiction and an STI diagnosis works with the same facility on both. That integration keeps care continuous rather than split across separate providers and scheduling systems.

Herpes Testing Extends the Standard Diagnostic Panel

Beyond the conventional four-pathogen screen, Indian Health Service in Arapahoe runs herpes testing, a blood draw that detects HSV antibodies, as part of its diagnostic panel. That fifth test is ordered and interpreted on-site, with STI treatment available the same visit when results confirm a bacterial co-infection.

Tests & treats
Address
14 Great Plains Road, Arapahoe, WY 82510
Booking
Appointment required
Website
Community health center 14.9 miles

Community Health Center of Central Wyoming

Where these reviews come from

Review sources

  • Google21
  • EasySTD2
Rated 3.7 out of 5 from 23 reviews

Community Health Center of Central in Riverton, requires an appointment, so scheduling ahead is the move before you go. That visit covers gonorrhea, chlamydia, conventional HIV, and TB testing, with bacterial STI treatment on the same visit, HPV, hepatitis A, and hepatitis B vaccines, and sliding-scale fees for everyone.

Read full overview Show less

Spanish Is a Working Clinical Language

Spanish-language care at Community Health Center of Central Wyoming means clinical conversations (HIV counseling, STI education, treatment discussions) happen directly in Spanish. That's the difference between information delivered and information understood well enough to act on.

Tests & treats Sliding-scale
Address
1035 Rose Lane, Riverton, WY 82501
Booking
Appointment required
Opening hours
  • Monday 8:00 AM – 5:00 PM
  • Tuesday 8:00 AM – 5:00 PM
  • Wednesday 8:00 AM – 5:00 PM
  • Thursday 8:00 AM – 5:00 PM
  • Friday 8:00 AM – 5:00 PM
  • Saturday Closed
  • Sunday Closed
Website
Premium Partner

Labcorp

Results in 1–2 days
No ratings yet
Address
940 East 3rd Street, Casper, WY 121.8 miles away
Opening hours
  • Monday 7:00 AM – 4:00 PM
  • Tuesday 7:00 AM – 4:00 PM
  • Wednesday 7:00 AM – 4:00 PM
  • Thursday 7:00 AM – 4:00 PM
  • Friday 7:00 AM – 4:00 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Premium Partner

Broad Reach Health Wellness

Results in 1–2 days
No ratings yet
Address
1988 East 1st Street, Casper, WY 122.5 miles away
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Premium Partner

Labcorp

Results in 1–2 days
No ratings yet
Address
2900 12th Avenue North, Billings, MT 185.5 miles away
Opening hours
  • Monday 7:00 AM – 4:00 PM
  • Tuesday 7:00 AM – 4:00 PM
  • Wednesday 7:00 AM – 4:00 PM
  • Thursday 7:00 AM – 4:00 PM
  • Friday 7:00 AM – 4:00 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Free tool · not a clinic

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.

Detection windows for every 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.

Find your match in 10 seconds

What matters most to you?

What will it cost? Estimate your STD test

Typical out-of-pocket ranges by option, actual cost depends on which tests you need.

  • Public / community clinic

    Free HIV testing is common

    $0–$25

  • Private lab (self-pay)

    Never billed to insurance

    $24–$200

  • At-home kit

    Mailed to your door, private

    From $49

  • Doctor / urgent care

    Often $0 preventive with insurance

    $0–$50 copay

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Rate what mattered to you, no account needed. Reviews are moderated before publishing.

Privacy & discretion
Wait time
Staff & comfort
Value for cost

Every other option

More ways to get tested in Johnstown, WY

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

At-home STD testing in Johnstown, WY

The nearest testing center is about 12 miles away; if you'd rather skip the trip, an at-home kit ships to Johnstown, 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.

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

Other CLIA-certified labs near Johnstown, WY

Beyond the public testing sites above, these federally certified (CLIA) labs serve Fremont 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.

  • Riverton Cboc

    2300 Rose Lane, Riverton, WY 82501

    CMS-certified lab Accredited · Joint Commission

    • Full STD panel
    Call Directions

  • Riverton Memorial Hospital

    2100 Sunset Drive, Riverton, WY 82501

    CMS-certified lab Accredited · Joint Commission

    • Full STD panel
    Call Directions

  • Wind River Cares-Riverton

    511 North 12th East, Riverton, WY 82501

    CMS-certified lab Accredited · COLA

    • STD testing
    Call Directions

Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Johnstown. 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

Clinicians near Johnstown, WY who may help arrange STD testing

Beyond dedicated clinics, 31 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Johnstown. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 5 offer telehealth.

  • Matthew Graf, MD

    Family medicine · 14 Great Plains Road, Arapahoe

    Call Directions

  • James Rao, MD

    Internal medicine · 1005 College View Drive, Riverton

    Call Directions

  • Christine Sjoquist, MD

    Family medicine · 1005 College View Drive, Riverton

    Call Directions

  • Katherine Garnett, MD

    Family medicine · 2100 West Sunset Drive, Riverton

    Call Directions

  • Jan Siebersma, MD

    OB-GYN · 745 Buena Vista Drive, Lander

    Call Directions

  • Clinton Mcmahill, MD Telehealth

    Internal medicine · 745 Buena Vista Drive, Lander

    Directions

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

Pharmacies near Johnstown, WY

No pharmacy near Johnstown, WY 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.

  • Wind River Family & Community Health Care

    7.1 mi
    Rx pickupCondoms / EC
    Directions
  • Walgreens 17 mi
    Rx pickupOTC HIV self-testAt-home STI kitsPrEP/PEP fillsHPV & Hep B vaccinesCondoms / EC
    Directions
  • Albertsons/Safeway 18 mi
    Rx pickupHPV & Hep B vaccinesCondoms / EC
    Directions

  • Shopko Stores Operating

    19 mi
    Rx pickupCondoms / EC
    Directions

  • State of Wyoming

    19 mi
    Rx pickupCondoms / EC
    Directions

  • McRae

    19 mi
    Rx pickupCondoms / EC
    Directions

Showing the 6 closest pharmacies to Johnstown, WY.

Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.

Prevention & treatment

PrEP, prevention & online treatment

Testing is one step. For residents of Johnstown, 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.

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

STDs & HIV in Fremont County: the local picture

How reported STI rates in Fremont County, the county that includes Johnstown, compare with Wyoming and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~21% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.

#1 of 23 Wyoming counties for chlamydia, among the very highest in the state

Reported STD rates per 100,000, Fremont County vs Wyoming vs U.S.

Fremont County Wyoming U.S. ▲▼ = Fremont County vs the state average
Infection Fremont County Wyoming United States
Chlamydia
509.9 203 cases ▲ 63%
313.2 492.2
Gonorrhea
150.7 60 cases ▲ 256%
42.3 179.5
Syphilis (P&S)
5 2 cases ▲ 127%
2.2 15.8
Syphilis (early)
2.5 1 cases ▲ 32%
1.9 16
Syphilis (late/unknown)
17.6 7 cases ▲ 245%
5.1 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.

Reported STD rates in Fremont County over time (per 100,000)

Chlamydia ▲ 2% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
0 275 550 2020202120222023

Between 2020 and 2023 in Fremont County, chlamydia has fallen from 548 to 509.9 per 100,000 (7%), gonorrhea has fallen from 193.7 to 150.7 per 100,000 (22%), and P&S syphilis has fallen from 12.7 to 5 per 100,000 (61%).

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 Johnstown, WY

Adults uninsured
13.6%
No routine checkup
29.6%
Binge drinking
11.4%
Frequent mental distress
17.3%
Depression
20.7%
Below poverty line
25.7%
Primary-care ratio
1,229 : 1
Fremont County
  • Primary-care shortage score 19 / 26
  • Medically Underserved Area · IMU 55.8
  • Social Vulnerability Index · 76th 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 Fremont County.

Local HIV snapshot

HIV in Fremont County (2023)

People living with HIV
90 / 100k
PrEP users / 100k
39

Fremont County HIV care continuum (2022)

Fremont County recorded 0 new HIV diagnoses per 100,000 (2022), against 4.2 statewide and 13.7 nationally. Among Fremont County residents living with HIV, 75.9% are in care · 72.4% 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.

Pregnant or planning to be?

Congenital syphilis is the fastest-rising STI: what to test, and when

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 Fremont County tests for syphilis.

Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).

Reviewed & Fact-Checked · Updated

Reviewed by EasySTD Editorial Team (opens in a new tab)

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 → (opens in a new tab)

17 Sources

Local resources & officials

Data & references

Local context

About Johnstown, WY

Mule Butte anchors the western edge of Johnstown the way most landmarks here do (quietly, without foot traffic or a coffee shop nearby) and that same unhurried character shapes what getting screened actually takes. The town's household fabric tells part of the story: large average households, a mix of owners and a meaningful share of renters paying modest monthly rent, and unemployment running notably higher than the national norm. When income is stretched and work schedules are unpredictable, a testing appointment can feel like one more logistical puzzle: especially for young adults in their late teens and twenties, who face the steepest STI rates nationally and are often juggling hourly jobs without paid-leave flexibility.

Fewer than one in fourteen households clears six figures here, so cost-transparent options matter in a way they simply don't in wealthier communities. That workforce reality (irregular hours, limited cushion) is exactly why the option listed on this page is worth checking before assuming testing requires a half-day trip. Confirming the clinic's hours and fee structure upfront means a Fremont County resident can plan around a shift rather than around a best-case scenario that never quite arrives.

Getting there

How residents reach STD testing in Johnstown, WY

Walkability 3.67 / 20 · Least walkable

At 3.67/20 on the EPA walkability index, day-to-day errands in Johnstown 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.

Map of 6 STD & STI testing locations in Johnstown, Wyoming, EasySTD

ZIP 82501 snapshot

Residents
18,946
Median age
38
Median income
$62,456

ZIP-level Census figures for the wider 82501 area around Johnstown: a single ZIP can span several communities, so they describe the area, not Johnstown alone.

Johnstown sits in Fremont County, ZIP 82501. Local context that shapes where residents test:

Local landmarks

  • Mule Butte
  • Grave of N B Kinnear

Reference

STD testing in Johnstown, WY: screening, costs & privacy

Everything to know before you test in Fremont County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Wyoming law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.

Who should test, and when

CDC screening schedule + each infection's detection window

Who should get tested, and how often

Based on current CDC screening recommendations.

GroupTestsHow 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 Johnstown-area provider.

InfectionEarliest reliable testSample
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
Browse all STD & STI guides

What each STD test costs

Medicare reference prices per lab test, a benchmark before you pay out of pocket

These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Johnstown 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.

TestReference priceCPT / 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.

Confidentiality & consent in Wyoming

Minor consent and partner treatment (EPT) under state law, plus how to test privately

Two things that actually depend on Wyoming 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).

Can a minor consent on their own?

In Wyoming, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.

Can my partner be treated too? (EPT)

Wyoming 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 Wyoming

Source: Guttmacher Institute, Minors' Access to STI Services; CDC, Legal Status of Expedited Partner Therapy. General information, not legal advice.

Good to Know

STD testing FAQs for Johnstown, WY

Answers to the questions people ask most before getting tested.

What if there's no clinic right in Johnstown, WY?

Closest is Warm Valley Health Care (12 mi), or order an at-home kit to 82501.

What does STD testing cost around Johnstown, WY?

Public clinics are free; private labs ~$24–$139, at-home kits $49+.

Is there free STD testing near Johnstown, WY?

Yes, public clinics in the area offer free or low-cost testing.

Which tests are offered near Johnstown, WY?

Local options test for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, a full panel covers the common ones.

How common is chlamydia in Fremont County?

About 510 cases per 100,000 residents (2023), above the Wyoming average.

Can someone under 18 get tested in Wyoming without a parent?

In Wyoming, people under 18 can consent to confidential STD testing and treatment on their own.

Can I test at home near Johnstown, WY?

Yes, at-home kits ship to 82501; you collect a sample, mail it back, and get results in about 2–5 days.

Should I test again after being treated?

A retest around 3 months after treatment is recommended for chlamydia and gonorrhea.

How is syphilis tested near Johnstown, WY?

Syphilis is found with a simple blood test; a reactive screen is confirmed with a second blood test.

What is STD testing?

Checking for sexually transmitted infections with a urine sample, a swab, or a blood draw, often before any symptoms appear.

Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.