Imperial County reports about 443 chlamydia cases per 100,000 residents, near the US average. If you need testing after a possible exposure or for routine care in Calexico, California, consider whether you prefer the convenience of an at-home kit or the guidance of a provider at a local clinic. For both options, check the list below.
Available testing centers
12 testing options are listed for Calexico, CA. The nearest, Imperial Valley Healthcare District, is about 0.4 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.
A safety-net rural health clinic in Calexico. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Tests offered
A public safety-net rural health clinic in Calexico. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Tests offered
Innercare in Calexico runs on a sliding scale and accepts Medicaid, Medicare, and private insurance, with PrEP available for uninsured patients; appointments cover the standard panel (HIV, syphilis, gonorrhea, chlamydia, herpes, hepatitis A, B, and C, and TB) with same-visit treatment for bacterial infections and care delivered in Spanish.
Innercare conducts STI care, counseling, and treatment in Spanish as a primary clinical language: meaning the nuances of a diagnosis, a medication schedule, or a prevention plan land with the precision they require, without anything filtered or condensed in translation.
Chasing PrEP or PEP across separate providers means delays, dropped coverage, and gaps where exposure risk is highest. Innercare prescribes and manages both directly, so prevention stays continuous rather than contingent on a second referral clearing in time.
Innercare holds substance-abuse treatment as a named clinical service within the same practice, which means a patient's STI care and their substance-use treatment share a provider relationship, a chart, and coordinated follow-through rather than separate, unconnected care tracks.
Languages
English, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Feb 2026 · Source: CDC NPIN
Planned Parenthood of the Pacific Southwest in El Centro runs on a sliding-scale fee structure with Medicaid and private insurance accepted, covering gonorrhea, chlamydia, syphilis, herpes, and rapid or conventional HIV testing. Walk-ins welcome, with same-visit treatment for bacterial infections.
Many clinics field Spanish-speaking patients through on-call interpretation services that sit outside the clinical conversation itself. At Planned Parenthood of the Pacific Southwest in El Centro, Spanish is a native language of care: staff deliver it directly, so nothing is filtered or delayed in the exchange.
Plenty of clinics accept Title X funding without fully extending its confidentiality protections to minors in practice. Planned Parenthood of the Pacific Southwest in El Centro operates under Title X's mandate, meaning eligible younger patients can access family planning services with the legal confidentiality that designation requires.
Planned Parenthood of the Pacific Southwest in El Centro prescribes PrEP for ongoing HIV prevention, PEP, and DoxyPEP for bacterial STI prevention after potential exposure. Meaning a patient's prevention plan can be built and adjusted within a single clinic rather than spread across multiple providers.
Languages
English, Interpretation Services Available for Non-English Languages, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Oct 2025 · Source: CDC NPIN
El Centro Regional Medical Center accepts Medicaid, Medicare, and private insurance, with a standard fee applying to others: covering gonorrhea, chlamydia, syphilis, HIV, and hepatitis C testing, plus STI treatment and hepatitis B vaccination, by appointment, with interpretation services on staff.
El Centro Regional Medical Center maintains interpretation services as part of its clinical staffing rather than arranging them ad hoc at the time of a visit. That means non-English-speaking patients communicate directly with care staff through a consistent, institutionally supported channel. Not a workaround assembled around the appointment.
El Centro Regional Medical Center runs hepatitis C antibody testing as a built-in component of the panel alongside gonorrhea, chlamydia, syphilis, and HIV. Ordered and processed through the same clinical encounter. Patients leave with results spanning bacterial infections and bloodborne hepatitis rather than requiring a separate referral pathway for the latter.
Languages
English, Interpretation Services Available for Non-English Languages
Tests offered
Care services
Fees & payment
Listing verified Aug 2025 · Source: CDC NPIN
Innercare Imperial and PACE in El Centro meets patients where they are (uninsured, between providers, or paying out of pocket) through its federally qualified health center status, which ties sliding-scale fees to income. Walk-in STI screening covers syphilis, gonorrhea, and chlamydia, with costs adjusted to what each person can pay.
Tests offered
Fees & payment
Pioneers Memorial Healthcare District in Brawley pairs gonorrhea, syphilis, and chlamydia testing with same-visit treatment for bacterial infections when results warrant it. Fees slide with income, and Medicare, Medicaid, and private insurance are all accepted. An appointment is required.
Languages
English
Tests offered
Care services
Prevention services
Fees & payment
Listing verified May 2026 · Source: CDC NPIN + HRSA
Innercare K Street in Brawley welcomes walk-in patients without an appointment, making same-day STI screening straightforward. Federally qualified status anchors a sliding-scale fee structure tied to income, and a single visit can cover syphilis, gonorrhea, and chlamydia testing for anyone who walks through the door.
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 less than a mile away; if you'd rather skip the trip, an at-home kit ships to Calexico, 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 for simplicity & support
$89 & up
Best range: couples & full panels
$79 & 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 Imperial 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.
222 East Cole Boulevard, Calexico, CA 92231
CMS-certified lab
516 West Aten Road, Suite # 3, Imperial, CA 92251
CMS-certified lab Accredited · COLA
1115 South 4th Street, El Centro, CA 92243
CMS-certified lab
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Calexico. 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, 65 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Calexico. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 23 offer telehealth.
Alidad Zadeh, DO Telehealth
Internal medicine · 401 East Birch Street, Calexico
Mervat Kelada
Family medicine · 1001 Blair Avenue, Calexico
John Strong, MD Telehealth
Family medicine · 222 East Cole Boulevard, Calexico
Bernard Lichtenstein, MD Telehealth
Internal medicine · 120 West Cole Boulevard, Calexico
Mario Ceja, MD Telehealth
Family medicine · 251 West Cole Boulevard, Calexico
Shirish Balachandra, MD
Family medicine · 223 West Cole Boulevard, Calexico
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 Calexico, CA 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.
Calexico Farmacia
0.4 mi
0.6 mi Valley Phamacy
0.6 mi
0.6 mi Choice Pharmacy
0.7 miInnercare Pharmacy - Calexico
0.8 miShowing the 6 closest pharmacies to Calexico, CA.
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 Calexico, 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.
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
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
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 Imperial County, the county that includes Calexico, compare with California and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~29% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#18 of 58 California counties for chlamydia, a higher rate than 69% of the state
| Infection | Imperial County | California | United States |
|---|---|---|---|
| Chlamydia | 442.9 793 cases ▼ 10% | 491.1 | 492.2 |
| Gonorrhea | 65.3 117 cases ▼ 66% | 190.2 | 179.5 |
| Syphilis (P&S) | 5 9 cases ▼ 69% | 16.3 | 15.8 |
| Syphilis (early) | 9.5 17 cases ▼ 50% | 19.1 | 16 |
| Syphilis (late/unknown) | 74.3 133 cases ▲ 59% | 46.7 | 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 Imperial County, chlamydia has risen from 406.8 to 442.9 per 100,000 (9%), gonorrhea has fallen from 101.3 to 65.3 per 100,000 (36%), and P&S syphilis has fallen from 6.1 to 5 per 100,000 (18%).
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 Imperial County.
Local HIV snapshot
Imperial County HIV care continuum (2023)
Imperial County recorded 18.1 new HIV diagnoses per 100,000 (2023), against 14.9 statewide and 13.7 nationally. Among Imperial County residents living with HIV, 65.1% are in care · 57.7% 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 Imperial County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Imperial Avenue cuts through the everyday rhythm of Calexico the way few roads do, connecting neighborhoods like Cuauhtémoc Norte to the commercial corridors where most residents run their errands, pick up their kids, and fit in whatever else the day demands. That daily rhythm shapes how health decisions actually get made here, and the household character of this city matters: with an average of more than five people per home and nearly half of adults married, health choices rarely happen in isolation. When one person in a large family household decides to get screened, the calculus often involves shared schedules, shared finances, and the kind of quiet coordination that bigger households require. The economic picture adds another layer.
With unemployment running well above state norms and fewer than one in five households clearing six figures, the $904 typical monthly rent still represents a meaningful slice of what many families bring in. For young adults in their late teens and twenties, who statistically face the steepest STI risk of any age group, cost and time off work can be the practical things that delay a test for months. Imperial County's STI figures rank among the higher rates in California, which means staying current on screening is less a precaution than a reasonable response to the local reality someone living on this side of the county line actually navigates.
Getting there
At 8.36/20 on the EPA walkability index, day-to-day errands in Calexico 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 92231 snapshot
ZIP-level Census figures for the wider 92231 area around Calexico: a single ZIP can span several communities, so they describe the area, not Calexico alone.
Calexico sits in Imperial County, ZIP 92231. Local context that shapes where residents test:
Local landmarks
Neighborhoods & communities
Major routes
Nearby cities & towns
Just outside Calexico? 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 Imperial County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under California 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 Calexico-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 Calexico 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 California 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 California, a minor aged 12 or older can consent to confidential STI testing and treatment on their own, no parental permission is required.
California 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 CaliforniaSource: 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.
Public clinics serve people without insurance, often on a sliding scale.
A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.
Imperial County reported ~443 chlamydia cases per 100,000 in 2023, below the California average.
In California, 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.
Your results are part of your HIPAA-protected medical record; you can ask any clinic about its own privacy practices.
Negative is good news, just retest later if the test was soon after a possible exposure.
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.