Olsa Hahn , FNP
Nurse Practitioner • Chico, CA
Professional Overview & Biography Verified Profile Summary
Olsa Hahn, FNP is a registered healthcare professional specializing in Nurse Practitioner in Chico, CA. Practice services are available at 1531 ESPLANADE under active NPI credentials.
Practice Location & Contact Primary Location
1531 Esplanade
Chico, CA 959263310
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Chico, CA
Practicing in Chico, CA (8378 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-06-30NUCC Taxonomy Code: 363L00000X
(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.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner - Family
Registered Nurse
Nurse Practitioner - Family
Family Nurse Practitioner (Certified)
Internal Medicine - Gastroenterology
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine
Registered Nurse - Registered Nurse First Assistant
RNCNORCRNFA
Nurse Practitioner - Gerontology
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 1531 ESPLANADE, CHICO, CA 959263310 (Tel: 5303327300)
Registered at 1874 HOOKER OAK AVE, CHICO, CA 959261775 (Tel: 5306248777)
Recorded as OLSA HAHN, FNP
Nurse Practitioner (License #95039607 in CA)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
1874 Hooker Oak Ave
Chico, CA 959261775
Phone: 5306248777
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