Dr. John Craig Mulligan, D.O. Internal Medicine - Cardiovascular Disease Medicare: Accepting Medicare Assignments Practice Location: 1005 W Green St, Hastings, MI 49058 Phone: 616-885-5000 Fax: 616-885-5020
Cardiovascular Disease: An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.