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Physician Profile

Tanja A. Gruber, MD

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Where to find Tanja A. Gruber, MD

About Dr. Gruber

Tanja A. Gruber, MD practices pediatric hematology-oncology in Palo Alto, CA. Tanja is a 2003 graduate of University of Southern California Keck School of Medicine. Tanja is also listed as specializing in pediatrics. The provider's National Provider Identifier (NPI) is 1457471567.

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. 89115CurrentExpires Apr 2028Since 2020
TN licenceAs reported to the NPI registry
No. 45680As reported
NPINational Provider Identifier
1457471567Issued 2007

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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 kind of doctor is Dr. Gruber?

Dr. Gruber is a pediatric hematology in Palo Alto, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatric Hematology-Oncology”.

NPI registry

What is Dr. Gruber's address?

Dr. Gruber is listed at 725 Welch Rd, Palo Alto, CA 94304. 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. Gruber?

The number on file is (650) 497-8000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Gruber?

Dr. Gruber's National Provider Identifier is 1457471567. 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 Dr. Gruber train?

Dr. Gruber attended University of Southern California Keck School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Gruber have?

Dr. Gruber has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.

CMS public data

Is Dr. Gruber's profile verified?

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

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Guide.md listings do not constitute medical advice or an endorsement.

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