Physician Profile

William M. Roberts, MD

Unclaimed Profile

About Dr. Roberts

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Specialty

Pediatric Hematology-Oncology (Primary)

Credentials & Licensing

CA licenseG85878
NPI1790873578
NPI issued10/10/2006

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.

Common questions

What does Dr. Roberts specialize in?

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

NPI registry

Where is Dr. Roberts located?

Dr. Roberts is listed at 455 S Main St, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Roberts's phone number?

The number on file is (714) 532-8636. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Roberts's NPI number?

Dr. Roberts's National Provider Identifier is 1790873578. 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. Roberts been practicing?

Dr. Roberts 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. Roberts confirmed this information?

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