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Provider Profile

Sari Fredrickson, MS, NP

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At a glance

About Sari Fredrickson

Listed in the NPI registry as a nurse practitioner — adult health, Sari Fredrickson, MS, NP practices in Walnut Creek, CA. NPI 1578565198 identifies this record in the national registry.

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

Credentials & Licensing

OR · Registered NurseBoard of Registered Nursing
No. 288960DelinquentExpired Aug 31, 2025Since 1978
NPINational Provider Identifier
1578565198Issued 2005

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 Sari Fredrickson, MS specialize in?

Sari Fredrickson, MS is a nurse practitioner in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Adult Health”.

NPI registry

Where is Sari Fredrickson, MS located?

Sari Fredrickson, MS is listed at 1425 S Main St, Walnut Creek, CA 94596. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Sari Fredrickson, MS's phone number?

The number on file is (925) 295-4000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Sari Fredrickson, MS's NPI number?

Sari Fredrickson, MS's National Provider Identifier is 1578565198. 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 Sari Fredrickson, MS been practicing?

Sari Fredrickson, MS has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Sari Fredrickson, MS confirmed this information?

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

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