Physician Profile

Jia Mao, MD

Unclaimed Profile

About Dr. Mao

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Specialty

Psychiatry (Primary)

Credentials & Licensing

CA licenseA117957
NPI1386959062
NPI issued08/18/2010

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Medicare opt-outYes, since February 2026
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 does Dr. Mao specialize in?

Dr. Mao is a psychiatrist in San Dimas, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.

NPI registry

Where is Dr. Mao located?

Dr. Mao is listed at 540 E Foothill Blvd Ste 100H, San Dimas, CA 91773. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Mao's phone number?

The number on file is (626) 466-6628. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Mao's NPI number?

Dr. Mao's National Provider Identifier is 1386959062. 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. Mao been practicing?

Dr. Mao has 16+ years experience. Registered with an NPI since 2010. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Mao confirmed this information?

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

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.