Physician Profile

Sunthara Hay, DO

Unclaimed Profile

About Dr. Hay

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Specialty

Obstetrics & Gynecology (Primary)

Credentials & Licensing

CA license20A7829
NPI1073696720
NPI issued10/23/2006

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-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. Hay?

Dr. Hay is an OB-GYN in 2500 Alhambra Avenue, 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. Hay's address?

Dr. Hay is listed at 2500 Alhambra Avenue Contra Costa Regional Medical Center and Health Centers, 2500 Alhambra Avenue, CA 94553. 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. Hay?

The number on file is (925) 370-5110. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Hay's NPI number?

Dr. Hay's National Provider Identifier is 1073696720. 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. Hay been practicing?

Dr. Hay 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. Hay confirmed this information?

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