MRS. ALYSSA RACHAEL WESTERFIELD AGNP
NPI 1427528710
Nurse Practitioner in Palo Alto, CA

Q: What is Alyssa Westerfield's NPI number?

The NPI number for Alyssa Westerfield is 1427528710. It was assigned to this individual provider in the NPPES registry on November 29, 2018. The provider is also known as Alyssa Rachael Hopper.

Q: What is Alyssa Westerfield's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since November 29, 2018

900 BLAKE WILBUR DR FL 3, PALO ALTO, CA 94304(650) 498-6000 Get Directions Write a Review

NPPES record last updated: February 18, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 18, 2019, Nov 29, 2018 (2 updates tracked since 2018).

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About Mrs. Alyssa Rachael Westerfield Agnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. ALYSSA RACHAEL WESTERFIELD AGNP (NPI 1427528710) is an individual nurse practitioner in Palo Alto, California, licensed in California (95010407) and active in the NPI registry since November 2018.

NPPES Registry Identity

NPI1427528710

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. ALYSSA RACHAEL WESTERFIELDCredential: AGNP

Location Address900 BLAKE WILBUR DR FL 3Palo Alto, CA 94304-2201

Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000

Phone(650) 498-6000

Sole ProprietorNo

Enumeration DateNovember 29, 2018

Last NPPES UpdateFebruary 18, 20192 updates tracked since enumeration

✔ NPI 1427528710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · 95010407

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

900 BLAKE WILBUR DR FL 3, Palo Alto, CA 94304

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Other Names 1

Former Name (1)Alyssa Rachael Hopper

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alyssa Westerfield's NPI number?

The NPI number for Alyssa Westerfield is 1427528710. It was assigned to this individual provider in the NPPES registry on November 29, 2018. The provider is also known as Alyssa Rachael Hopper.

Where is Alyssa Westerfield located?

Alyssa Westerfield practices at 900 Blake Wilbur Dr Fl 3, Palo Alto, CA 94304. The listed phone number is (650) 498-6000.

What is Alyssa Westerfield's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Alyssa Westerfield was last updated on February 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.