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 / MI

JOHN L LOOMIS JR., MD

EMERGENCY MEDICINE

Medical school: UNIVERSITY OF MICHIGAN MEDICAL SCHOOL

Graduated: 1984

Also: INTERNAL MEDICINE

NPI: 1518014018

Practice Locations (3)

MCKENZIE MEMORIAL HOSPITAL

120 DELAWARE ST

Sandusky, MI 484711009

MCKENZIE MEMORIAL HOSPITAL

120 N DELAWARE ST

Sandusky, MI 484711009

MCKENZIE MEMORIAL HOSPITAL

120 N DELAWARE ST

SANDUSKY, MI 484711009

8106486162

Source: CMS National Downloadable File, September 2026.