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Physician Profile

Mark M. Jacobs, M.D.

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At a glance

About Dr. Jacobs

Mark M. Jacobs, M.D. is a healthcare provider in San Leandro, CA specializing in obstetrics & gynecology. Mark is also listed as specializing in maternal & fetal medicine. This provider record is associated with NPI 1679533186.

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. 45317DelinquentExpired May 31, 2025Since 1981
NPINational Provider Identifier
1679533186Issued 2006

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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 Mark M. Jacobs specialize in?

Mark M. Jacobs is an OB-GYN in San Leandro, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.

NPI registry

Where is Mark M. Jacobs located?

Mark M. Jacobs is listed at 3553 Whipple Road, San Leandro, CA 94587. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Mark M. Jacobs's phone number?

The number on file is (510) 454-1000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Mark M. Jacobs's NPI number?

Mark M. Jacobs's National Provider Identifier is 1679533186. 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 long has Mark M. Jacobs been practicing?

Mark M. Jacobs has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Mark M. Jacobs confirmed this information?

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

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