Free Clinic Directory

Castro-mission Health Center

Needs confirmation
3850 17th Street, San Francisco, CA 94114
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Emergency notice: This directory is intended for non-emergency care. If you may be experiencing a medical emergency, call 911 or go to the nearest emergency department.
Clinic services, fees, hours, eligibility rules, and appointment procedures can change. Contact Castro-Mission Health Center directly before visiting.

At-a-Glance Facts

CostNot confirmed - call to ask
Provider typeHealthcare Provider
HoursMon, Tues, Thurs, Fri: 8:00am-12:00pm, 1:00pm-5:00pm; Wed: 1...
Phone(628) 217-5700
Last updatedFebruary 2, 2025

Cost and Eligibility

Cost Model: Not confirmed

Contact the clinic directly to confirm current pricing, accepted insurance, eligibility rules, and any documents needed for your visit — payment policies can change and vary by service.

Services

Medical Pediatrics Women's Health

Services described in the directory record: Regular check-ups; Urgent care; HIV medical care and comprehensive support services, PrEP; Gender affirming care for Transgender and Non-binary people, including medication and surgical referrals, in a safe and welcoming space; Podiatry (foot care); Treatment for drug and alcohol problems, including medication and counseling; Specialty services for LGBTQ youth through the Dimensions Clinic

Hours and Appointments

Mon, Tues, Thurs, Fri: 8:00am-12:00pm, 1:00pm-5:00pm; Wed: 10:00am-12:00pm, 1:00pm-5:00pm

Call ahead to confirm same-day availability and appointment requirements.

Languages and Accessibility

Language access, transportation, and accessibility details are not confirmed in structured fields. Contact the clinic directly before visiting.

About this clinic

CMHC is a warm and welcoming clinic whether you are a new immigrant or a life-long San Franciscan. Most of our staff are bilingual in Spanish and bicultural, and many of us identify as LGBT.

Directory remarks: Urban Area, Permanent Clinic, Year-Round, Full-Time (open 40 hours per week)

Verification and Listing History

Verification status: Verification needed
Last verified: Not recently verified
Listing last updated: February 2, 2025
Clinic management status: Managed or updated through an account

Managed by clinic staff and independently verified are separate statuses. Staff reviewed does not necessarily mean every field was independently verified.

Corrections and Management

If address, hours, services, cost information, or eligibility details are incorrect, submit a correction for admin review.

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Patient Feedback for Castro-Mission Health Center

Reviews reflect individual patient experience and are not fact-checked by the directory — a separate signal from the "Needs confirmation" badge above, which covers listing accuracy only. Do not post private medical information, diagnoses, account numbers, or anything urgent.

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Have you been to Castro-Mission Health Center? Describe your experience for other visitors.

This form does not reach the clinic. It cannot book an appointment, refill a prescription, or answer a medical question — call the clinic for those. Do not include your phone number, email address, date of birth, diagnoses, or medications, and do not describe another person's health. Feedback naming an individual member of staff is not published.

Common Questions About Free and Low-Cost Clinics

General guidance for visitors. It is not medical advice and it does not describe Castro-Mission Health Center's current policy — call the clinic to confirm anything below.

Is this clinic actually free?
Often not entirely. "Free clinic" usually means one of three things: a volunteer clinic with no charge, a community health center with a sliding fee scale based on household size and income, or a clinic that charges a small flat visit fee. A sliding scale can still leave a bill. Ask what the lowest tier costs before you book.
What if I have no income at all?
Most sliding-scale programs have a lowest tier for people with no income, and many accept a signed self-declaration when you have no pay stubs to show. Ask for the clinic's discount program by name and ask what proof they take. Being told "bring proof of income" does not mean you are turned away for having none.
What should I bring to a first visit?
Usually a photo ID, something showing your address, proof of income or a self-declaration, your insurance or Medicaid card if you have one, and a written list of your current medications and doses. Call ahead — requirements vary, and arriving without the right paperwork is the most common reason a first visit gets rescheduled.
Do I need insurance, or immigration documents?
Federally funded health centers serve patients regardless of insurance status and do not require proof of citizenship to provide care. Volunteer and charitable clinics set their own rules. If it matters to you, ask before your visit what they require and what they record.
Is dental care included?
Usually not, and this is the single most common disappointment. Dental is frequently a separate program with its own eligibility, its own waiting list, and a narrower service list — extractions and urgent pain may be covered while fillings, crowns, root canals, and dentures are not. Confirm that dental is offered at this specific location before travelling.
Can I get a prescription refilled here?
Most clinics require an appointment before they will refill anything, and a first appointment can be weeks out. If you are close to running out of a medication you cannot safely stop, say so when you call — say the medication name and how many days you have left. Ask your pharmacy at the same time; pharmacists can sometimes authorise a short emergency supply.
What if I need care today?
This directory cannot arrange care or pass a message to a clinic. For a medical emergency call 911. For a mental health or suicidal crisis call or text 988 (Suicide & Crisis Lifeline). For something urgent but not an emergency, an urgent care clinic or a hospital emergency department must evaluate you regardless of ability to pay.
This listing looks wrong, or the clinic has closed.
Please tell us through Suggest an Update rather than the feedback form above — corrections go to an editor, feedback does not. Hours, costs, and closures are the details that go stale fastest.

Location

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  • Lyon-martin Health Services

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  • Magnet Sexual Health Clinic

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  • Api Wellness At San Francisco Lgbt Center

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  • San Francisco Community Health Center - Dental Health Clinic

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  • Healthright 360 Integrated Care Center

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Clinic information is community-sourced and may change without notice. Always call ahead to confirm hours, cost, and services before visiting. "Confirmed [date]" reflects confirmation of directory details only — it is not a review of medical care quality.