Our Providers


Raul Heredia, M.D., F.A.C.C., ASE

Raul Heredia, M.D., F.A.C.C., ASEDr. Heredia graduated cum laude from Guayaquil University in Ecuador in 1984. He did his Internal Medicine residency at Emory University and his Cardiology fellowship at the University of Texas in Galveston. Dr. Heredia is a board certified cardiologist since 2001. He has recently moved from London, Kentucky, where he practiced cardiology at Heart Specialists of Southern Kentucky. He is a non-invasive general cardiologist with expertise in echocardiography, stress testing, and transesophageal echocardiography.


David W. Sihau, M.D., F.A.C.C.

David W. Sihau, M.D., F.A.C.C.Dr. Sihau graduated from the University of Connecticut in 1982 and is a board certified cardiologist. Dr. Sihau completed training in Internal Medicine and Cardiology at Wilford Hall USAF Medical Center in San Antonio, Texas and served 11 years on active duty including a two-year tour in Japan. He has been in practice since 1992. In 1995 he came to Frankfort, where he established the cardiac catheterization laboratory and program at Frankfort Regional Medical Center and served as Medical Service Chief, Chief of Staff, and Chairman of the Board of Trustees. Dr. Sihau has participated in a worldwide research trial coordinated by Duke Clinic Research and is director of an annual continuing medical education program for local physicians with special interest in preventive cardiology and lipid management.