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Doctors & clinics in Lancaster, CA

389 doctors & clinics listed in Lancaster, California. 361 with a phone number and 334 with a website.

Lancaster accounts for 0% of the doctors & clinics listed in California and ranks #40 among California cities for doctors & clinics.

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Quick answer

Lancaster, CA has 389 doctors & clinics listed on USA Business Search. 361 list a phone number and 334 list a website. The most listings are in ZIP codes 93534, 93535, 93536.

Updated October 2026
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How to choose a doctor in Lancaster

  • 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 Lancaster: 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 Lancaster, California?

USA Business Search shows 389 doctors & clinics in Lancaster. 361 list a phone number and 334 list a website.

Which ZIP codes do these listings cover?

They include ZIP codes 93534, 93535, 93536.

How do I choose a doctor in Lancaster?

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 Lancaster compare with the rest of California?

Lancaster has 0% of the 79,064 doctors & clinics listed in California, which ranks #40 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 Lancaster?

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.

More health & medical in Lancaster

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