Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Anna Maria Leon Guerrero, PHARMD

Pharmacist in Vacaville, CA · enumerated 2016.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1275085672

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Registry record

Entity type Individual (Type 1)

Name Anna Maria Leon Guerrero

Credential PHARMD

Sex Female

Practice address Vacaville, CA, 95687

Phone (707) 631-6797

Enumeration date Nov 1, 2016

Last updated in NPPES Nov 1, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 75079 (CA) Primary

PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Anna Maria Leon Guerrero?

The National Provider Identifier (NPI) for Anna Maria Leon Guerrero is 1275085672, a Type 1 (individual) record in the CMS NPPES registry.

Where does Anna Maria Leon Guerrero practice?

The practice location on file with NPPES is in Vacaville, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-01.