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

Katherine Ann Larson, MD

Individual provider Internal Medicine Physician · NPI 1417393661

Katherine Ann Larson, MD is an Internal Medicine in Prairie Du Sac, Wisconsin. Graduated from Wright State University Boonshoft School of Medicine in 2013, 13 years ago. Practices with Olmsted Medical Center, a 325-clinician group and accepts Medicare assignment. Licensed in Minnesota and Utah.

Years since qualifying
13
Trained at
Wright State University Boonshoft School of Medicine
Licensed in
MN, UT
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

260 26th St
Prairie Du Sac, WI 53578-2203
Phone: (608) 643-3311
Fax: (608) 643-8600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 10120990-1205 (UT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 65486 (MN)

Record details

NPI number1417393661
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 15, 2013
Last updated in NPPESMarch 24, 2021
Certification dateMarch 24, 2021
Mailing address260 26th St, Prairie Du Sac, WI 53578-2203

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolWRIGHT STATE UNIVERSITY BOONSHOFT SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Olmsted Medical Center — 325 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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