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Doctors / AZ

JOHN J MCNERNEY JR., MD

GASTROENTEROLOGY

Medical school: NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL

Graduated: 1984

NPI: 1568469583

Practice Locations (1)

TUCSON GASTROENTEROLOGY SPECIALISTS, PC

3040 N SWAN RD, SUITE B

TUCSON, AZ 857121206

5203273454

Source: CMS National Downloadable File, September 2026.