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Doctors & clinics in San Mateo, CA

320 doctors & clinics listed in San Mateo, California. 265 with a phone number and 272 with a website.

San Mateo accounts for 0% of the doctors & clinics listed in California and ranks #56 among California cities for doctors & clinics.

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Quick answer

San Mateo, CA has 320 doctors & clinics listed on USA Business Search. 265 list a phone number and 272 list a website. The most listings are in ZIP codes 94401, 94403, 94402.

Updated October 2026
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Fresenius Medical Care At San Mateo Medical Center Apheresis

222 W 39th Ave, San Mateo, CA 94403 · Claim or fix

Glenn Belen D.d.s. & Elizabeth Vasco D.d.s. A Professional C

135 N San Mateo Dr, San Mateo, CA 94401 · Claim or fix

How to choose a doctor in San Mateo

  • Call your insurance to confirm the provider is in network before your first visit.
  • Ask about telehealth options and how to reach the office after hours.
  • Ask how long it usually takes to get a new-patient appointment.

Check the license: Medical Board of California.

Medical weight loss and GLP-1 care in San Mateo: what to ask

  • GLP-1 medicines such as semaglutide and tirzepatide are prescription-only. A licensed prescriber should review your health history and any labs.
  • Ask whether the medication is an FDA-approved brand or a compounded version, and which pharmacy fills it.
  • Ask for the full monthly cost in writing: visits, medication, shipping and follow-up.
  • Ask how side effects are monitored and how often you will check in with a clinician or dietitian.

See the medical weight loss guide for providers by state.

Common questions

How many doctors & clinics are listed in San Mateo, California?

USA Business Search shows 320 doctors & clinics in San Mateo. 265 list a phone number and 272 list a website.

Which ZIP codes do these listings cover?

They include ZIP codes 94401, 94403, 94402, 94404.

How do I choose a doctor in San Mateo?

Call your insurance to confirm the provider is in network before your first visit. Ask about telehealth options and how to reach the office after hours. Check the license with the Medical Board of California.

How do doctors & clinics in San Mateo compare with the rest of California?

San Mateo has 0% of the 79,064 doctors & clinics listed in California, which ranks #56 among California cities for this category.

How do I add or fix a listing?

Listings are free. Use Add your business, or the Claim or fix link on any listing.

Do I need a prescription for GLP-1 weight loss in San Mateo?

Yes. Semaglutide and tirzepatide are prescription medications, and a licensed provider decides whether they are appropriate for you. Telehealth programs such as Elevation Health (featured) review your intake from home.

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