HealthCareAtlasUSA

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Doctors / WI

JOHN A ZERNIA, MD

EMERGENCY MEDICINE

Medical school: MEDICAL COLLEGE OF WISCONSIN

Graduated: 1985

Also: INTERNAL MEDICINE

NPI: 1124022728

Practice Locations (2)

GUNDERSEN LUTHERAN MEDICAL CENTER INC

1836 S AVE

LA CROSSE, WI 546015429

6087837300

TRI-COUNTY MEMORIAL HOSPITAL INC

18601 LINCOLN ST

WHITEHALL, WI 547738605

7155384361

Source: CMS National Downloadable File, September 2026.

JOHN ZERNIA, MD | HealthCareAtlasUSA