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

Edit this profile

Physician Profile

Thomas C. Williams, M.D.

Is this you? Edit this profile

At a glance

About Dr. Williams

Based in Oakland, CA, Thomas C. Williams, M.D. is listed in the NPI registry under pulmonary disease. NPI 1619004967 identifies this record in the national registry.

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

Specialty

Pulmonary Disease (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 32747CurrentExpires Sep 2028Since 1976
NPINational Provider Identifier
1619004967Issued 2007

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 does Thomas C. Williams specialize in?

Thomas C. Williams is a lung specialist in Oakland, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.

NPI registry

Where is Thomas C. Williams located?

Thomas C. Williams is listed at 642 Mandana Blvd, Oakland, CA 94610. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Thomas C. Williams's phone number?

The number on file is (510) 504-1226. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Thomas C. Williams?

Thomas C. Williams's National Provider Identifier is 1619004967. 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 much experience does Thomas C. Williams have?

Thomas C. Williams has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Thomas C. Williams's profile verified?

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

Guide.md

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