Frank S. Pettyjohn, MD

Frank S. Pettyjohn, MD, Director of Cardiology at the University of Southern California College of Medicine, has been recognized by Marquis Who’s Who Top Doctors for dedication, achievements and leadership in medicine.

Dr. Nikolas Zacharias, MD

Dr. Nikolas Zacharias, MD, Obstetrician, Gynecologist, Perinatologist, and Maternal-Fetal Medicine Specialist, has been recognized by Marquis Who’s Who Top Doctors for dedication, achievements, and leadership in obstetrics and gynecology.

Edward M. Geltman, MD

Edward Geltman, Cardiologist and Educator at Washington University School of Medicine St. Louis, has been recognized by Marquis Who’s Who Top Doctors for dedication, achievements, and leadership in cardiology and internal medicine.