STD Testing in Casper, WY: Free, Same-Day & Confidential
Reported syphilis in Natrona County runs about 84% lower than the US average. If you need testing in Casper, Wyoming after a possible exposure or as part of routine healthcare, you'll find that clinics may bill insurance, while private labs often let you pay a flat self-pay price. See your options below.
9 testing options are listed for Casper, WY. The nearest, Labcorp, is about 0.6 miles away. Compare 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.
Premium Partner
Labcorp
Most popular Results in 1–2 days
3.8(24)?
Review sources
Google21
EasySTD3
Rated 3.8 out of 5 from 24 reviews
Address
940 East 3rd Street, Casper, WY 82601 0.6 miles away
Health Care for the Homeless in Casper earned its federally qualified designation by tying fees to income: meaning cost scales with what you actually earn, and no one is turned away for inability to pay. STI screening here covers syphilis, gonorrhea, and chlamydia.
Rocky Mountain Infectious Diseases in Casper runs by appointment, so every visit is structured around your actual care needs: HIV, syphilis, gonorrhea, chlamydia, hepatitis B and C, and TB testing, with sliding-scale fees, same-visit treatment for bacterial infections, and services delivered in Spanish.
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Spanish-Language Care From the First Word
Many infectious-disease clinics route Spanish-speaking patients through an interpreter line that sits outside the clinical conversation. At Rocky Mountain Infectious Diseases, care (counseling, treatment decisions, follow-up) is delivered directly in Spanish, keeping nothing at arm's length.
PrEP and PEP Available, Keeping Future Risk Manageable
Rocky Mountain Infectious Diseases prescribes both PrEP and PEP for HIV prevention, which means ongoing risk reduction is managed by the same clinicians who handle your testing and infectious-disease care. No separate prescription source to coordinate.
Hepatitis C Treatment Happens Here, Not Down the Road
A positive hepatitis C test without an on-site treatment pathway means a second appointment, a new provider relationship, and weeks of potential delay during which the virus continues advancing. Rocky Mountain Infectious Diseases closes that gap entirely, diagnosis and full treatment are managed within the same practice in Casper.
University of Wyoming Family Medicine Residency Casper
4.2(6)?
Review sources
Google5
EasySTD1
Rated 4.2 out of 5 from 6 reviews
A safety-net federally qualified health center about 1 mile from Casper. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Educational Health Center of Wyoming in Casper provides HIV, syphilis, gonorrhea, chlamydia, herpes, hepatitis A, B, and C, and TB testing: all at no fee, with insurance and Medicaid also accepted. Sliding-scale fees apply where relevant, and bacterial STIs are treated the same visit. Appointments required.
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Every Service Runs at Zero Cost
The center operates under a fully subsidized model: every test, every treatment, every counseling session, and every vaccine administration is staffed and funded to run without a charge to the patient. Nothing is billed, deferred, or means-tested at the door.
Language Access Built Into the Appointment
Interpretation services are available for non-English languages at Educational Health Center of which means a patient's conversation with a provider about symptoms, results, or treatment options unfolds without a word dropped or a nuance flattened by communication gaps.
PrEP Prescribed and Managed Here in Casper
Educational Health Center of Wyoming maintains a standing PrEP program, prescribing and monitoring the medication on-site, which answers directly to anyone without a regular primary care provider or who needs ongoing HIV prevention managed in one place rather than coordinated across separate appointments.
English, Interpretation Services Available for Non-English Languages
Tests offered
Hepatitis A
Hepatitis C
Hepatitis B
TB
Gonorrhea
Syphilis
Herpes
Chlamydia
Rapid HIV
Conventional HIV
Serves
Adolescents/Youth/Teens
American Indian or Alaska Native persons
Asian or Pacific Islander persons
Black or African American persons
Gay Men
Hispanic or Latino persons
LGBTQ
Low Income Persons
Care services
Family Planning
Medication Adherence Education and Counseling
STI Treatment
Human Papillomavirus Vaccine (HPV)
Hepatitis A Vaccine
Adult Hepatitis B Vaccine
Prevention services
HIV Test Counseling
Condom Distribution
Fees & payment
Medicaid Accepted
Fee
Insurance Accepted
Free HIV Test
Listing verified Nov 2025 · Source: CDC NPIN + HRSA
Community health center 3.2 miles
Community Health Center of Central Wyoming
4.1(371)?
Review sources
Google366
EasySTD5
Rated 4.1 out of 5 from 371 reviews
Community Health Center of Central Wyoming in Casper tests for gonorrhea, chlamydia, HIV, and TB on a sliding-scale fee accepted by Medicaid, Medicare, and most insurers. Appointments are required, and bacterial STIs are treated the same visit. Care is available in Spanish.
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Spanish-Language Care for Every Step
For someone whose primary language is Spanish, the value isn't just reaching a clinic: it's being able to describe symptoms accurately, understand a diagnosis, and ask follow-up questions without losing anything in translation. Community Health Center of Central Wyoming delivers STI testing, counseling, and treatment entirely in Spanish, so nothing critical gets simplified or skipped.
Substance-Use Treatment and STI Care Together
For people navigating substance use alongside sexual health concerns, situations where stigma often keeps both issues siloed, Community Health Center of Central Wyoming keeps both under the same clinical roof. Substance-use treatment and STI care share the same appointment structure, which matters for anyone without a regular provider managing multiple needs at once.
Listing verified Oct 2025 · Source: CDC NPIN + HRSA
4.2 miles
Rocky Mountain Family Medicine
4.3(67)?
Review sources
Google62
EasySTD5
Rated 4.3 out of 5 from 67 reviews
Rocky Mountain Family Medicine in Casper covers gonorrhea, chlamydia, syphilis, and HIV testing within a family practice, treating bacterial infections at the same visit. Fees apply and insurance is accepted, with appointments required.
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.
The nearest testing center is less than a mile away, if you'd rather skip the trip, an at-home kit ships to Casper, you collect the sample privately, and mail it back to a CLIA-certified lab. Results come online in days, with a clinician available if anything is positive. Same labs as a clinic, no waiting room, and you can read how accurate at-home STD tests are before you order.
Want a free option first? The CDC-supported TakeMeHome program mails free at-home HIV self-test kits, and, in many areas, free STI kits, to your door, with no insurance or payment needed. The paid kits below add broader panels and faster turnaround.
In-home collection
Quest Diagnostics
$79 & up
Panel:
8-infection panel incl. chlamydia, gonorrhea, HIV, syphilis, hepatitis & herpes: single tests too
Sample:
Quest Mobile: a phlebotomist collects your sample at home
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 Casper, WY
Beyond the public testing sites above, these federally certified (CLIA) labs serve Natrona 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.
Showing 6 of the CLIA-certified labs in Natrona County.
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Casper. 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 Casper, WY who may help arrange STD testing
Beyond dedicated clinics, 84 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Casper. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 23 offer telehealth.
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 Casper, WY
Compare the pharmacies closest to Casper, WY. Contact a location directly to confirm pharmacy-counter hours, services, prices, and product availability before visiting.
1.0 mi
Rx pickupOTC HIV self-testAt-home STI kitsPrEP/PEP fillsHPV & Hep B vaccinesCondoms / EC
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 Casper, 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.
PrEP & DoxyPEP
Mistr
$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
STDs & HIV in Natrona County: the local picture
How reported STI rates in Natrona County, the county that includes Casper, compare with Wyoming and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~27% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#3
#3 of 23 Wyoming counties for chlamydia, among the very highest in the state
Reported STD rates per 100,000, Natrona County vs Wyoming vs U.S.
Natrona CountyWyomingU.S.▲▼ = Natrona County vs the state average
Infection
Natrona County
Wyoming
United States
Chlamydia
452.8362 cases▲ 45%
313.2
492.2
Gonorrhea
75.160 cases▲ 78%
42.3
179.5
Syphilis (P&S)
2.52 cases▲ 14%
2.2
15.8
Syphilis (early)
7.56 cases▲ 295%
1.9
16
Syphilis (late/unknown)
8.87 cases▲ 73%
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 Natrona County over time (per 100,000)
Chlamydia ▲ 3% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
Between 2020 and 2023 in Natrona County, chlamydia has fallen from 559.1 to 452.8 per 100,000 (19%), gonorrhea has fallen from 97.6 to 75.1 per 100,000 (23%), and P&S syphilis has fallen from 7.5 to 2.5 per 100,000 (67%).
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 Casper, WY
Adults uninsured
11.3%
No routine checkup
29.3%
Binge drinking
16.1%
Frequent mental distress
16.4%
Depression
23.3%
Below poverty line
8.3%
Primary-care ratio
1,396 : 1
Natrona County
Primary-care shortage score 21 / 26
Medically Underserved Area · IMU 56.1
Social Vulnerability Index · 40th 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 Natrona County.
Local HIV snapshot
HIV in Natrona County (2023)
People living with HIV
73 / 100k
PrEP users / 100k
83
Natrona County HIV care continuum (2021)
Natrona County recorded 0 new HIV diagnoses per 100,000 (2021), against 4.2 statewide and 13.7 nationally. Among Natrona County residents living with HIV, 87% are in care · 80.4% 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 Natrona County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Compiled and checked by EasySTD's editorial team against CDC and public-health sources. This is educational information, not a substitute for advice from a licensed clinician. Our editorial guidelines →
East Yellowstone Highway stretches out quickly past the edge of town, and for anyone without a vehicle, reaching the nearest listed clinic can mean arranging a ride rather than simply stepping out the door. That practical reality sits alongside a cost one: with roughly a third of Casper residents renting at rates that leave limited room for unplanned expenses, a low-cost or sliding-scale option matters more than it might in a city where household budgets run looser.
Casper's workforce participation is high, which means most adults here are keeping real schedules, and the clinics listed on this page include options with hours flexible enough to fit around a shift. For the younger adults who live in neighborhoods like Thorndale Acres and Midwest Heights, people in their late teens and twenties who are forming new relationships and moving through the life stages when STIs spread most readily, testing tends to fall away not from indifference but from competing demands. A clinic that doesn't require half a day's planning is one that actually gets used.
About half of Casper adults are married, households average three people, and most residents own their homes, all of which reflects a community with deep roots and long-term stakes. Routine screening fits that life just as naturally as any other health maintenance, whether someone is newly partnered, long-settled, or somewhere between.
Getting there
How residents reach STD testing in Casper, WY
Walkability7.76 / 20 · Below average
At 7.76/20 on the EPA walkability index, day-to-day errands in Casper 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 82604 snapshot
Residents
27,584
Median age
38.4
Median income
$75,683
ZIP-level Census figures for the wider 82604 area around Casper: a single ZIP can span several communities, so they describe the area, not Casper alone.
Casper sits in Natrona County, ZIP 82604. Local context that shapes where residents test:
Local landmarks
Grant Street Grocery and Market
Elks Lodge Number 1353
Midwest Oil Company Hotel
Church of Saint Anthony
Casper Fire Department Station Number 1
Odd Fellows Building
Neighborhoods & communities
Thorndale Acres
Midwest Heights
Mills
Major routes
East 1st Street
East Yellowstone Highway
North Center Street
West 1st Street
WY 220 (South Poplar Street)
Nearby cities & towns
STD testing near Casper, WY
Just outside Casper? These nearby communities have their own testing guides: clinics, at-home kits, and free screening close to home.
STD testing in Casper, WY: screening, costs & privacy
Everything to know before you test in Natrona 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 whenCDC screening schedule + each infection's detection window
Who should get tested, and how often
Based on current CDC screening recommendations.
Group
Tests
How often
Everyone aged 13–64
HIV
At least once
Sexually active women under 25
Chlamydia, gonorrhea
Every year
Women 25+ with new or multiple partners
Chlamydia, gonorrhea
Every year
Pregnant people
HIV, syphilis, hepatitis B & C, chlamydia
Early in pregnancy
Gay & bisexual men (MSM)
Chlamydia, gonorrhea, syphilis, HIV
Every 3–6 months
Anyone who shares injection equipment
HIV, hepatitis B & C
At least yearly
All adults at least once
Hepatitis C
At least once
When to test: STD detection windows
Testing too early can return a false negative, confirm timing with a Casper-area provider.
What each STD test costsMedicare 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 Casper 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.
Confidentiality & consent in WyomingMinor 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.
