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

Anna Marie Petersen, FNP-BC

Primary Care Nurse Practitioner in South Lake Tahoe, CA · enumerated 2022.

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

National Provider Identifier

1174245021

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Registry record

Entity type Individual (Type 1)

Name Anna Marie Petersen

Credential FNP-BC

Sex Female

Practice address South Lake Tahoe, CA, 96150

Phone (530) 543-5623

Enumeration date Sep 16, 2022

Last updated in NPPES Jun 30, 2026

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

Taxonomy & licenses

363LP2300X Primary Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95022656 (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

Where does Anna Petersen practice?

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

What is the NPI number for Anna Petersen?

The National Provider Identifier (NPI) for Anna Petersen is 1174245021, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-30.