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Physician Profile

Nayan M. Shah, MD

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At a glance

About Dr. Shah

Nayan M. Shah, MD practices obstetrics & gynecology in Diamond Bar, CA. The provider's National Provider Identifier (NPI) is 1174631402.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 40253DelinquentExpired Jul 31, 2025Since 1983
NPINational Provider Identifier
1174631402Issued 2006

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Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Shah?

Dr. Shah is an OB-GYN in Diamond Bar, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.

NPI registry

What is Dr. Shah's address?

Dr. Shah is listed at 1142 S Diamond Bar Blvd #186, Diamond Bar, CA 91765. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Shah?

The number on file is (909) 268-3899. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Shah's NPI number?

Dr. Shah's National Provider Identifier is 1174631402. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

How long has Dr. Shah been practicing?

Dr. Shah has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Shah confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Shah. If this is you, claiming it is free.

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