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Physician Profile

Gregory B. Leong, M.D.

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At a glance

About Dr. Leong

Gregory B. Leong, M.D. practices neurology / psychiatry in Patton, CA. Gregory is also listed as specializing in psychiatry. The provider's National Provider Identifier (NPI) is 1174592158.

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

Specialty

Psychiatry (Additional)

Credentials & Licensing

CA licenceAs reported to the NPI registry
No. G34482As reported
WA licenceAs reported to the NPI registry
No. MD00025101As reported
NPINational Provider Identifier
1174592158Issued 2006

As reported to the NPI registry ↗

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 does Gregory B. Leong specialize in?

Gregory B. Leong is a neurology / psychiatry in Patton, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Gregory B. Leong located?

Gregory B. Leong is listed at 3102 E Highland Ave, Patton, CA 92369. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Gregory B. Leong's phone number?

The number on file is (909) 425-6509. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Gregory B. Leong's NPI number?

Gregory B. Leong's National Provider Identifier is 1174592158. 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 Gregory B. Leong been practicing?

Gregory B. Leong 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 Gregory B. Leong confirmed this information?

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

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