Are you Dr. Williams? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

Mark E. Williams, MD

Is this you? Edit this profile

At a glance

About Dr. Williams

Mark E. Williams, MD is a healthcare provider in Santa Rosa, CA specializing in emergency medicine. Mark trained at University of Michigan Medical School, graduating in 1996. This provider record is associated with NPI 1770661530.

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

Education & Training

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 72120CurrentExpires Aug 2027Since 2000
NPINational Provider Identifier
1770661530Issued 2006

Snapshot · verify with the board ↗

Medicare information

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 is Dr. Williams's specialty?

Dr. Williams is an emergency physician in Santa Rosa, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

Where can I find Dr. Williams?

Dr. Williams is listed at 401 Bicentennial Way, Santa Rosa, CA 95403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Williams?

The number on file is (707) 393-4800. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Williams's NPI number?

Dr. Williams's National Provider Identifier is 1770661530. 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

What is Dr. Williams's medical education?

Dr. Williams attended University of Michigan Medical School, graduating in 1996. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Williams been practicing?

Dr. Williams has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.

CMS public data

Has Dr. Williams confirmed this information?

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.

Guide.md

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