Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHARLES GRENIER
NPI 1932179868
Physician Assistant in Santa Cruz, CA

Q: What is Charles Grenier's NPI number?

The NPI number for Charles Grenier is 1932179868. It was assigned to this individual provider in the NPPES registry on January 24, 2006.

Q: What is Charles Grenier's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Charles Grenier was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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 January 24, 2006

2900 CHANTICLEER AVE, SANTA CRUZ, CA 95065(831) 477-2325 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Charles Grenier NPPES

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

CHARLES GRENIER (NPI 1932179868) is an individual physician assistant in Santa Cruz, California, licensed in California (PA12491) and active in the NPI registry since January 2006. He is a graduate of Other (1989).

NPPES Registry Identity

NPI1932179868

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameCHARLES GRENIER

Location Address2900 CHANTICLEER AVESanta Cruz, CA 95065-1816

Mailing AddressPo Box 1833Santa Cruz, CA 95061-1833

Phone(831) 477-2325

Sole ProprietorNo

Medical School CMSOtherGraduated 1989

Enumeration DateJanuary 24, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1932179868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in CA · PA12491

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

2900 CHANTICLEER AVE, Santa Cruz, CA 95065

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charles Grenier is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335299767

PECOS Enrollment IDI20090605000463

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DENA M JANIGIAN MD

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