Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

OLSA HAHN FNP
NPI 1013834191
Nurse Practitioner in Chico, CA

Active since June 30, 2026
1531 ESPLANADE, CHICO, CA 95926(530) 332-7300 Get Directions Write a Review

NPPES record added: June 30, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Olsa Hahn Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OLSA HAHN FNP (NPI 1013834191) is an individual nurse practitioner in Chico, California, licensed in California (95039607) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1013834191
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameOLSA HAHNCredential: FNP
Location Address1531 ESPLANADEChico, CA 95926-3310
Mailing Address1874 Hooker Oak AveChico, CA 95926-1775 · (530) 624-8777
Sole ProprietorNo
Enumeration DateJune 30, 2026
NPPES CertifiedJune 30, 2026
NPI 1013834191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in CA · 95039607
Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

1531 ESPLANADE, Chico, CA 95926

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
1531 ESPLANADE
CHICO, CA 95926
Nurse Practitioner (Family)
1531 ESPLANADE
CHICO, CA 95926
Internal Medicine (Infectious Disease)
1531 ESPLANADE
CHICO, CA 95926
Radiology (Diagnostic Radiology)
1531 ESPLANADE
CHICO, CA 95926
Specialist
1531 ESPLANADE
CHICO, CA 95926
Orthopaedic Surgery (Orthopaedic Trauma)
1531 ESPLANADE, ORTHO/TRAUMA DEPARTMENT
CHICO, CA 95926
Nurse Practitioner (Family)
1531 ESPLANADE
CHICO, CA 95926
Emergency Medicine
1531 ESPLANADE
CHICO, CA 95926

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Olsa Hahn's NPI number?

The NPI number for Olsa Hahn is 1013834191. It was assigned to this individual provider in the NPPES registry on June 30, 2026.

Where is Olsa Hahn located?

Olsa Hahn practices at 1531 Esplanade, Chico, CA 95926. The listed phone number is (530) 332-7300.

What is Olsa Hahn's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Olsa Hahn was last updated on June 30, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.