WILLIAM CRISPIN
NPI 1477434199
Nurse Practitioner - Family in Murrieta, CA

Q: What is William Crispin's NPI number?

The NPI number for William Crispin is 1477434199. It was assigned to this individual provider in the NPPES registry on September 9, 2025.

Q: What is William Crispin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for William Crispin was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.

Active since September 09, 2025

39705 VIA LAS PALMAS, MURRIETA, CA 92563(909) 328-9758 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About William Crispin NPPES

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

WILLIAM CRISPIN (NPI 1477434199) is an individual family provider in Murrieta, California, licensed in California (95038811) and active in the NPI registry since September 2025.

NPPES Registry Identity

NPI1477434199

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameWILLIAM CRISPIN

Location Address39705 VIA LAS PALMASMurrieta, CA 92563-5238

Mailing Address39705 Via Las PalmasMurrieta, CA 92563-5238

Phone(909) 328-9758

Sole ProprietorNo

Enumeration DateSeptember 9, 2025

Last NPPES UpdateJuly 1, 2026

NPPES CertifiedJuly 1, 2026

✔ NPI 1477434199 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · 95038811

Also ListedRegistered NurseTaxonomy 163W00000X · License 95326229 (CA)

39705 VIA LAS PALMAS, Murrieta, CA 92563

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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 William Crispin's NPI number?

The NPI number for William Crispin is 1477434199. It was assigned to this individual provider in the NPPES registry on September 9, 2025.

Where is William Crispin located?

William Crispin practices at 39705 Via Las Palmas, Murrieta, CA 92563. The listed phone number is (909) 328-9758.

What is William Crispin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for William Crispin was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.