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Doctors & clinics in Montclair, CA

73 doctors & clinics listed in Montclair, California. 62 with a phone number and 56 with a website.

Montclair accounts for 0% of the doctors & clinics listed in California and ranks #215 among California cities for doctors & clinics.

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Quick answer

Montclair, CA has 73 doctors & clinics listed on USA Business Search. 62 list a phone number and 56 list a website. The most listings are in ZIP codes 91763, 91710.

Updated October 2026
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How to choose a doctor in Montclair

  • 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 Montclair: 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 Montclair, California?

USA Business Search shows 73 doctors & clinics in Montclair. 62 list a phone number and 56 list a website.

Which ZIP codes do these listings cover?

They include ZIP codes 91763, 91710.

How do I choose a doctor in Montclair?

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 Montclair compare with the rest of California?

Montclair has 0% of the 79,064 doctors & clinics listed in California, which ranks #215 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 Montclair?

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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