Adult Transthoracic Echocardiography, Cardiovascular Disease, Cardiovascular Disease General & Invasive, Nuclear Cardiology Dr. Gray received her undergraduate degree from West Chester University, West Chester, Pennsylvania, and then attended the Philadelphia College of Osteopathic Medicine in Philadelphia where she graduated with a Degree in Osteopathic Medicine in 1996. Her internal medicine residency was completed at Lehigh Valley Hospital in Allentown, Pennsylvania. Dr. Gray’s Cardiology Fellowship was completed at The Lankenau Hospital, Wynnewood, Pennsylvania in 2004. She is Board Certified in Cardiovascular Disease and Internal Medicine.