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Provider Profile

Barbara W. Mak, NP MSN

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At a glance

About Barbara Mak

Listed in the NPI registry as a nurse practitioner — primary care, Barbara W. Mak, NP MSN practices in San Francisco, CA. NPI 1538291562 identifies this record in the national registry.

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

Credentials & Licensing

CA · Registered NurseBoard of Registered Nursing
No. 352832CurrentExpires Oct 31, 2026Since 1982
CA licenceAs reported to the NPI registry
No. NPF9496As reported
NPINational Provider Identifier
1538291562Issued 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 is Barbara W. Mak's specialty?

Barbara W. Mak is a nurse practitioner in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Primary Care”.

NPI registry

Where can I find Barbara W. Mak?

Barbara W. Mak is listed at 1490 Mason St Chinatown Public Health Center, San Francisco, CA 94133. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Barbara W. Mak?

The number on file is (415) 364-7600. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Barbara W. Mak's NPI number?

Barbara W. Mak's National Provider Identifier is 1538291562. 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 Barbara W. Mak been practicing?

Barbara W. Mak 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

Has Barbara W. Mak confirmed this information?

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

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