Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Heather L Maine, FNP-BC

Adult Health Nurse Practitioner in Napa, CA · enumerated 2025.

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

National Provider Identifier

1689472342

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Registry record

Entity type Individual (Type 1)

Name Heather L Maine

Credential FNP-BC

Sex Female

Practice address 1100 Trancas St Ste 201, Napa, CA, 94558

Phone (707) 703-4863

Enumeration date Mar 6, 2025

Last updated in NPPES Mar 6, 2025

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95029204 (CA) Primary

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 Heather Maine?

The National Provider Identifier (NPI) for Heather Maine is 1689472342, a Type 1 (individual) record in the CMS NPPES registry.

Where does Heather Maine practice?

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

Other providers at this practice address

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Herbert Bazron Internal Medicine Physician · Napa, CA NPI 1609803048 Muhammad Sheikh Family Medicine Physician · Napa, CA NPI 1235252859

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-06.