HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / WY

JAMES C LARSEN, MD

EMERGENCY MEDICINE

Medical school: CREIGHTON UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1983

NPI: 1760528855

Practice Locations (3)

CROOK COUNTY MEDICAL SERVICES DISTRICT

713 E OAK ST

SUNDANCE, WY 827295172

3072833501173

CROOK COUNTY MEDICAL SERVICES DISTRICT

713 OAK ST

SUNDANCE, WY 82729

CROOK COUNTY MEDICAL SERVICES DISTRICT

PO BOX, SUITE 517

SUNDANCE, WY 82729

Source: CMS National Downloadable File, September 2026.

JAMES LARSEN, MD | HealthCareAtlasUSA