Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hannah G Hartmann

Mental Health Counselor in Eureka, CA · enumerated 2021.

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

National Provider Identifier

1679148258

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Registry record

Entity type Individual (Type 1)

Name Hannah G Hartmann

Sex Female

Practice address 517 3rd St Ste 33, Eureka, CA, 95501

Phone (818) 241-6780

Enumeration date May 25, 2021

Last updated in NPPES Aug 4, 2026

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 164409 (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 Hannah Hartmann?

The National Provider Identifier (NPI) for Hannah Hartmann is 1679148258, a Type 1 (individual) record in the CMS NPPES registry.

Where does Hannah Hartmann practice?

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

Other providers at this practice address

Browse all →

Dylan Cimbura-Hernandez Marriage & Family Therapist · Eureka, CA NPI 1548741689 Alissa Pattison Mental Health Counselor · Eureka, CA NPI 1336006824 Annika Botha Mental Health Counselor · Eureka, CA NPI 1346167889 Julia Mendoza Mental Health Counselor · Eureka, CA NPI 1225959141

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-04.