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Doctors / IA

GREGORY N TJOSSEM, MD

FAMILY PRACTICE

Medical school: UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE

Graduated: 1988

NPI: 1215931696

Practice Locations (2)

GUNDERSEN CLINIC LTD

1830 STATE HWY 9

DECORAH, IA 521017301

5633823140

GUNDERSEN CLINIC LTD

123 SE 5TH AVE

SPRING GROVE, MN 559741318

5074983302

Source: CMS National Downloadable File, September 2026.

GREGORY TJOSSEM, MD | HealthCareAtlasUSA