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Doctors & clinics in San Marcos, CA

213 doctors & clinics listed in San Marcos, California. 191 with a phone number and 204 with a website.

San Marcos accounts for 0% of the doctors & clinics listed in California and ranks #96 among California cities for doctors & clinics.

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Quick answer

San Marcos, CA has 213 doctors & clinics listed on USA Business Search. 191 list a phone number and 204 list a website. The most listings are in ZIP codes 92078, 92069.

Updated October 2026
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Americare Adult Day Health Care Center

340 Rancheros Dr Ste 196, San Marcos, CA 92069 · Claim or fix

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How to choose a doctor in San Marcos

  • 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 Marcos: 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 Marcos, California?

USA Business Search shows 213 doctors & clinics in San Marcos. 191 list a phone number and 204 list a website.

Which ZIP codes do these listings cover?

They include ZIP codes 92078, 92069.

How do I choose a doctor in San Marcos?

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 Marcos compare with the rest of California?

San Marcos has 0% of the 79,064 doctors & clinics listed in California, which ranks #96 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 Marcos?

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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