Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Christi L Petersen, FNP

Nurse Practitioner in Sonora, CA · enumerated 2005.

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

National Provider Identifier

1336131523

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Registry record

Entity type Individual (Type 1)

Name Ms. Christi L Petersen

Credential FNP

Sex Female

Practice address 900 Greenley Rd, Ste 922, Sonora, CA, 95370

Phone (209) 536-3738

Fax (209) 533-9608

Enumeration date Aug 16, 2005

Last updated in NPPES Jan 10, 2008

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN265299 (CA) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License NP7349 (CA) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP 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

Is NPI 1336131523 active?

Yes, as of the latest NPPES snapshot, NPI 1336131523 is active (record last updated 2008-01-10).

How do I verify Christi Petersen's NPI record?

Cross-check NPI 1336131523 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-10.