Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Kathryn Marie Larsen, MD

Individual provider Family Medicine Physician · NPI 1598845638

Dr. Kathryn Marie Larsen, MD is a Family Practice in Santa Ana, California. Graduated from University of Washington School of Medicine in 1981, 45 years ago. Practices with University of California Irvine, a 60-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
45
Trained at
University of Washington School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

800 N Main St
Santa Ana, CA 92701-3576
Phone: (657) 282-6355
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Uci Medical Center, Orange, CA 92868 — (714) 456-8978

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 000000G48790 (CA)

Record details

NPI number1598845638
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 16, 2006
Last updated in NPPESFebruary 28, 2023
Certification dateFebruary 28, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice University Of California Irvine — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Santa Ana