HealthCareAtlasUSA

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

MARLO F LEONEN, MD

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Graduated: 1987

NPI: 1003883539

Practice Locations (1)

IHA HEALTH SERVICES CORPORATION

128 VAN BUREN ST

CHELSEA, MI 481181623

7344758677

Source: CMS National Downloadable File, September 2026.

MARLO LEONEN, MD | HealthCareAtlasUSA