Physician Profile

Mark D. Williams, M.D.

Unclaimed Profile

About Dr. Williams

Based in San Diego, CA, Mark D. Williams, M.D. is listed in the NPI registry under emergency medicine. Mark graduated from University of Southern California Keck School of Medicine in 1999.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Education & Training

School University of Southern California Keck School of Medicine Class of 1999

Specialty

Emergency Medicine (Primary)
Emergency Medicine (Additional)

Credentials & Licensing

CA licenseA80386
NPI1336170869
NPI issued07/05/2006

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

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 Mark D. Williams?

Mark D. Williams is an emergency physician in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

What is Mark D. Williams's address?

Mark D. Williams is listed at 34800 Wilson Dr. Nmcsd, Attn: Medical Staff, Services, San Diego, CA 92134. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Mark D. Williams?

The number on file is (619) 532-6460. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Mark D. Williams?

Mark D. Williams's National Provider Identifier is 1336170869. 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 Mark D. Williams train?

Mark D. Williams attended University of Southern California Keck School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Mark D. Williams have?

Mark D. Williams has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.

CMS public data

Is Mark D. Williams's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Mark D. Williams. 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.