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

DEREK T TESSMAN, DO

GENERAL SURGERY

Medical school: DES MOINES UNIVERSITY OF OSTEOPATHIC MEDICINE AND HEALTH SCIENCES

Graduated: 2018

NPI: 1275023988

Practice Locations (1)

DEAN HEALTH SYSTEMS INC

700 S PARK ST

MADISON, WI 537151830

6082516100

Source: CMS National Downloadable File, September 2026.

DEREK TESSMAN, DO | HealthCareAtlasUSA