HealthCareAtlasUSA

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Doctors / WI

THOM S THOMASSEN, MD

OPHTHALMOLOGY

Medical school: DUKE UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1977

NPI: 1407903180

Practice Locations (1)

MERCY HEALTH SYSTEM CORPORATION

3524 E MILWAUKEE ST

JANESVILLE, WI 535461626

6087567100

Source: CMS National Downloadable File, September 2026.

THOM THOMASSEN, MD | HealthCareAtlasUSA