| John J. Kelly III, M.D., F.A.C.C. Cardiology-Interventional Dr. Kelly has been a member of Cardiology Physicians since 1996. Dr. Kelly grew up nearby the Wilmington area in Delaware County, Pennsylvania. He attended Garnet Valley High School. His family belonged to the Graylyn Crest Swim Club in Northern Wilmington. Dr. Kelly obtained a Bachelor of Arts from Swarthmore College and attended... More Information | ![]() |
| Gilbert A. Leidig Jr., M.D., F.A.C.C. Cardiology-Interventional Dr. Leidig joined Cardiology Physicians in June of 1996. Dr. Leidig obtained a Bachelor of Science degree, Summa Cum Laude, from Loyola College in Baltimore, Maryland. He then attended the University of Pennsylvania School of Medicine. His post-graduate training in Internal Medicine came during a residency at the Walter Reed Army Medical Center in Washington, D.C. Dr. Leidig was an attending physician at... More Information | ![]() |
| Brian H. Sarter, M.D., F.A.C.C. Cardiology-Electrophysiology Dr. Brian H. Sarter has been a member of Cardiology Physicians since April 1998. Dr. Sarter attended Duke University where he graduated Summa Cum Laude with his Bachelor’s Degree in Science. He attended the New York University School of Medicine where he was elected to Alpha Omega (Medical Honor Society). He completed his Internal Medicine training at the Hospital of the University of Pennsylvania. He continued at the Hospital of... More Information | ![]() |
| Gaetano N. Pastore, M.D., F.A.C.C. Cardiology-Non-Invasive Dr. Gaetano Pastore has been a member of Cardiology Physicians since July of 1998. Dr. Pastore attended Villanova University as an under graduate. He then went to the Milton S. Hershey Medical Center of the Pennsylvania State University for his medical degree. He did his Internal Medicine residency at Hahnemann University Hospital and his cardiovascular fellowship at... More Information | ![]() |
| Anthony W. Clay, D.O., F.A.C.C. Cardiology-Non-Invasive After practicing for seven years in Philadelphia, Dr. Clay joined Cardiology Physicians, P.A. in 2003. He is a clinical assistant professor of medicine at Hahnemann University and Instructor of Medicine at Philadelphia College of Osteopathic Medicine. Dr. Clay received both his Bachelors and Masters Degrees from Villanova University. He then went on to attend medical school at the Philadelphia College of Osteopathic Medicine. He did his internal medicine training at… More Information | ![]() |
| Alan Micklin, M.D., F.A.C.C. Interventional Cardiology Dr. Alan Micklin joined Cardiology Physicians, P.A. in July of 2006. He began his studies as an undergraduate biology major at the University of Delaware and graduated in 1986. He then went on to attend the Hahnemann University School of Medicine from 1986 to 1990. Upon his graduation in 1990, he started his residency in Internal Medicine at Hahnemann University. He began... More Information | ![]() |
| Ehsanur Rahman, M.D., F.A.C.C. Dr. Ehsanur Rahman joined Cardiology Physicians, P.A. in May of 2007. He began his medical studies in Bangladesh. After his graduation in 1972, he started his residency in Internal Medicine at St. Joseph Mercy Hospital in Pontiac, Michigan. His cardiology fellowship began in 1976 at Mt. Sinai Medical Center in Miami, Florida. Dr. Rahman is certified in both... More Information | ![]() |
| Jennifer Frey, F.N.P. Electrophysiology Jennifer Frey has been a member of Cardiology Physicians since December 2001. Jennifer is a board certified nurse practitioner and received a Master of Science in Nursing degree from Wilmington College in January 2005. She received her Bachelor’s degree in nursing from The University of Delaware in May 2000. Jennifer began working with cardiovascular patients... More Information | ![]() |
| Todd Mazur, PA-C Cardiology Todd Mazur, PA-C is a board certified Physician Assistant who joined Cardiology Physicians in 2006. Physician Assistants are health care professionals with advanced education who are licensed to practice medicine with physician supervision. Todd is board certified by the National Commission for Certification of Physician Assistants. He graduated from... More Information | ![]() |









