What is Charlie Grenier's NPI number?

Charlie Grenier's National Provider Identifier (NPI) is 1922966191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Charlie Grenier's specialty?

Charlie Grenier is listed in the NPPES registry with a primary specialty of School Counselor (Behavioral Health & Social Service Providers).

Where is Charlie Grenier located?

Charlie Grenier's practice location on file with NPPES is 1 E Mission Hills Ct, San Marcos, CA 92069-1965.

What is Charlie Grenier's phone number?

The practice phone number listed in the NPPES registry for Charlie Grenier is (760) 290-2700.

Is Charlie Grenier's NPI active?

Yes — Charlie Grenier's NPI (1922966191) is active in the NPPES registry as of the last update on 2026-01-14.

IndividualActive

Charlie Grenier, PPS, MS

NPI 1922966191 · School Counselor · San Marcos, CA

Charlie Grenier, PPS, MS is a School Counselor provider in San Marcos, CA (NPI 1922966191).

Provider details

NPI number: 1922966191
Entity type: Individual
Primary specialty: School CounselorBehavioral Health & Social Service Providers
Credential: PPS, MS
Sex: Female
Sole proprietor: No

Specialties & taxonomies

School CounselorPrimary101YS0200X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1 E Mission Hills Ct

San Marcos, CA 92069-1965

Phone: (760) 290-2700

Approximate (ZIP-level) locationGet directions

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Mailing address