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Physician Profile

Mark I. Williams, MD

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At a glance

About Dr. Williams

Mark I. Williams, MD practices diagnostic radiology in Bakersfield, CA. Mark is a 1984 graduate of University of California, San Francisco School of Medicine. Medicare claims data shows Mark provided 5,193 services to 4,477 patients. The services billed most often include x-ray of chest, 2 views, x-ray of knee, 3 views, and x-ray of shoulder, minimum of 2 views. The provider's National Provider Identifier (NPI) is 1235284225.

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

Specialty

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 60262CurrentExpires Nov 30, 2026Since 1987
NPINational Provider Identifier
1235284225Issued 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 does Dr. Williams specialize in?

Dr. Williams is a radiologist in Bakersfield, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.

NPI registry

Where is Dr. Williams located?

Dr. Williams is listed at 1817 Truxtun Ave Truxtun Radiology Medical Group Lp, Bakersfield, CA 93301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Williams's phone number?

The number on file is (661) 325-6800. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Williams?

Dr. Williams's National Provider Identifier is 1235284225. 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. Williams go to medical school?

Dr. Williams attended University of California, San Francisco School of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Williams have?

Dr. Williams has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Williams do most often?

According to Medicare billing data, Dr. Williams performs imaging including x-ray of chest, 2 views and x-ray of knee, 3 views. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Williams's profile verified?

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

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