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

ROBERT E SONNENBURG, MD

OTOLARYNGOLOGY

Medical school: MEDICAL COLLEGE OF WISCONSIN

Graduated: 2000

Also: ALLERGY/IMMUNOLOGY

NPI: 1972588176

Practice Locations (1)

BAYCARE CLINIC LLP

3200 SHORE DR

MARINETTE, WI 541434202

9202888350

Source: CMS National Downloadable File, September 2026.