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Provider Profile

Tammy A. Winchell, A.R.N.P

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Where to find Tammy A. Winchell, A.R.N.P

About Tammy Winchell

Listed in the NPI registry as a nurse practitioner — pediatrics, Tammy A. Winchell, A.R.N.P practices in Mill Valley, CA. NPI 1679673347 identifies this record in the national registry.

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

Specialty

Nurse Practitioner — Pediatrics (Primary)

Credentials & Licensing

WA · Nurse Practitioner FurnishingBoard of Registered Nursing
No. 95000700DelinquentExpired Dec 31, 2025Since 2014
OR licenceAs reported to the NPI registry
No. 201150050NPAs reported
WA licenceAs reported to the NPI registry
No. AP30007401As reported
NPINational Provider Identifier
1679673347Issued 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 kind of doctor is Tammy A. Winchell?

Tammy A. Winchell is a nurse practitioner in Mill Valley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Pediatrics”.

NPI registry

What is Tammy A. Winchell's address?

Tammy A. Winchell is listed at 750 Redwood Hwy Frontage Rd Ste 1204, Mill Valley, CA 94941. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Tammy A. Winchell?

The number on file is (415) 384-4778. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Tammy A. Winchell?

Tammy A. Winchell's National Provider Identifier is 1679673347. 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 Tammy A. Winchell have?

Tammy A. Winchell 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

Is Tammy A. Winchell's profile verified?

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

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