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Ms. Heather Linnea Lesieur, PA-C, MS, MPH

Physician Assistant in Clayton, CA · enumerated 2006 · practices at Clayton Valley Medical Group, Inc.

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

National Provider Identifier

1891726972

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Registry record

Entity type Individual (Type 1)
Name Ms. Heather Linnea Lesieur
Credential PA-C, MS, MPH
Sex Female
Practice address 5439 Clayton Rd Ste B, Clayton, CA, 94517
Phone (925) 672-6744
Fax (925) 672-3259
Enumeration date Jul 6, 2006
Last updated in NPPES Mar 31, 2020

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA23118 (CA) Primary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 376879-1206 (UT) Secondary

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.

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Frequently asked questions

What is the NPI number for Heather Lesieur?
The National Provider Identifier (NPI) for Heather Lesieur is 1891726972, a Type 1 (individual) record in the CMS NPPES registry.
Where does Heather Lesieur practice?
The practice location on file with NPPES is in Clayton, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-31.