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 / WI

GREGORY K SEWALL, MD

OTOLARYNGOLOGY

Medical school: MEDICAL COLLEGE OF WISCONSIN

Graduated: 1999

NPI: 1336195023

Practice Locations (1)

ENT AND ALLERGY ASSOCIATES SC

512 S 28TH AVE

WAUSAU, WI 544014147

7158472021

Source: CMS National Downloadable File, September 2026.

GREGORY SEWALL, MD | HealthCareAtlasUSA