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

LARS E PETERSON, MD

INTERNAL MEDICINE

Medical school: CREIGHTON UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2000

NPI: 1023110640

Practice Locations (1)

IVINSON MEMORIAL HOSPITAL

255 N 30TH ST

LARAMIE, WY 820725140

3077422142

Source: CMS National Downloadable File, September 2026.

LARS PETERSON, MD | HealthCareAtlasUSA