Physician Profile

Pei Casas, M.D.

Unclaimed Profile

About Dr. Casas

Pei Casas, M.D. is a healthcare provider in Walnut Creek, CA specializing in family medicine. Pei trained at University of Southern California Keck School of Medicine, graduating in 2007.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Family Medicine (Primary)

Credentials & Licensing

CA licenseA107610
NPI1922234236
NPI issued06/02/2009

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

Accepts Medicare assignmentYes
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 Pei Casas specialize in?

Pei Casas is a family doctor in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.

NPI registry

Where is Pei Casas located?

Pei Casas is listed at 320 Lennon Ln, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Pei Casas's phone number?

The number on file is (925) 906-2327. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Pei Casas's NPI number?

Pei Casas's National Provider Identifier is 1922234236. 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

Where did Pei Casas train?

Pei Casas attended University of Southern California Keck School of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.

CMS public data

How long has Pei Casas been practicing?

Pei Casas has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.

CMS public data

Has Pei Casas confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Pei Casas. 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.