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Physician Profile

William J. Demartini, M.D.

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At a glance

About Dr. Demartini

Based in Greenbrae, CA, William J. Demartini, M.D. is listed in the NPI registry under diagnostic radiology. According to Medicare claims data, William cared for 1,909 Medicare patients across 2,004 services. The services billed most often include screening mammography, screening 3d breast mammography, and x-ray of chest, 1 view. NPI 1427091016 identifies this record in the national registry.

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

Education & Training

School Other Graduated: 1973

Specialty

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 27905CurrentExpires May 2027Since 1974
NPINational Provider Identifier
1427091016Issued 2006

Snapshot · verify with the 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 William J. Demartini specialize in?

William J. Demartini is a radiologist in Greenbrae, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.

NPI registry

Where is William J. Demartini located?

William J. Demartini is listed at 250 Bon Air Rd, Greenbrae, CA 94904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is William J. Demartini's phone number?

The number on file is (415) 925-7301. Contact the office directly to confirm availability and scheduling.

NPI registry

What is William J. Demartini's NPI number?

William J. Demartini's National Provider Identifier is 1427091016. 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 William J. Demartini train?

William J. Demartini attended Other, graduating in 1973. This comes from the CMS National Downloadable File.

CMS public data

How long has William J. Demartini been practicing?

William J. Demartini has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.

CMS public data

What does William J. Demartini do most often?

According to Medicare billing data, William J. Demartini performs imaging including screening mammography and screening 3d breast mammography; provides treatments such as ultrasound of both sides of head and neck blood flow. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has William J. Demartini confirmed this information?

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

Guide.md

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