LowCostClinics.org

Ritter Center

Contact & location

Address: 16 Ritter St, San Rafael, CA 94901

Phone: 415-457-8182

Operating hours: about 44 hours per week — call for the daily schedule

County: Marin County

Website: rittercenter.org

Get directions Call 415-457-8182

Treats everyone, insured or not — you do not need to be a US citizen. By law this federally funded health center serves all patients regardless of ability to pay, on a sliding-fee scale set by your income and family size. Call ahead to confirm hours, which services this site offers, and what to bring.

About this location

  • Open year-round on a full-time schedule (HRSA site record).
  • Part of the federal Health Center Program at this location since 2013.

About Ritter Center

Ritter Center reported caring for 3,007 patients across all its sites in 2025, and runs 3 locations listed in this directory.

  • Insurance: 38% had no insurance, 48% had Medicaid or CHIP, 11% had Medicare, 3% had private insurance.
  • 99% of patients with a known income earned at or below twice the federal poverty level (95% at or below it) — the range where sliding-fee discounts apply.
  • Services patients received in 2025: medical care (1,075), mental health care (508), substance use treatment (447), support services (case management, transport, enrollment help) (2,124).
  • 16% of patients had limited English. If you prefer another language, ask for an interpreter when you call.
  • Patients included 2,342 people experiencing homelessness, 56 agricultural workers and their families, 57 veterans.

Source: HRSA Uniform Data System (UDS) 2025, as reported by Ritter Center for all of its sites combined — not specific to one address. Call to confirm what this location offers.

Other Ritter Center locations

Same organization and sliding-fee policy — useful if this site is closed, full, or doesn't offer the service you need.

Other health centers nearby

Run by different organizations, within 2 miles. All serve patients regardless of ability to pay.

New here? What to bring · How the sliding-fee scale works

← All clinics in San Rafael, CA

Listing sourced from the HRSA Health Center Program, refreshed 2026-10-05. Directory information only, not medical advice. Spotted a mistake? Use the feedback box below to let us know.

Was this page helpful?

Something wrong or missing? Tell us — we read every report and fix issues fast.

Clinic closed, wrong phone, or something out of date? Tell us — every report is reviewed and helps someone find care.