Built by citizen volunteers, Sparrow Clinton Hospital in St. Johns celebrates nearly a century of providing quality, compassionate care to the people of Clinton County and surrounding areas. Our award-winning critical access hospital thrives under the leadership of a strong, dedicated team who helps deliver the very best in leading-edge medicine. Sparrow Clinton also impacts the health and well-being of our community through our primary care physician practice, physical therapy and fitness center, charitable foundation, and many outreach programs
Kristina Tennant
Interim President
Mariah Hesse, BSN, RN, CENP
Chief Nursing Officer
Mark Weismiller, M.D.
Chief of Staff
Bradley Garrett, D.O.
Emergency Medicine Department Chair
Gregory Holzhei, D.O.
Family Medicine Department Chair
Kay McLaughlin, M.D.
Internal Medicine Department Chair
Katie Ryan, M.D.
Pediatrics Department Chair
Matthew Wilcox, D.O.
Cardiology Department Chair
Steven Clerc, D.O.
Radiology Department Chair
Edwin Marinas, M.D.
Pathology Department Chair
Mark Weismiller, M.D.
Surgery Department Chair