Board Certified & Fellowship Trained Nephrologist

Biography

Heather Mascio, DO, is a board-certified nephrologist. She earned her medical degree from UMDNJ School of Osteopathic Medicine (now called Rowan School of Osteopathic Medicine); completed residency training in Internal Medicine at Walter Reed National Military Medical Center; and specialized further by achieving a fellowship in Nephrology at Walter Reed National Military Medical Center.

At Clinical Renal Associates in Glen Mills, Riddle Pavilion, Ridley Park and Upland, Dr. Mascio provides comprehensive care for patients with kidney disease, with a strong focus on chronic kidney disease management and hypertension. She also serves as Principal Investigator for clinical trials at Clinical Renal Associates (in partnership with Panoramic Science).

Dr. Mascio’s care philosophy centers on building meaningful relationships: “I love to establish a true relationship with my patients. I want to know about your life and family. We will have open and honest communication. My goal is to foster a respectful and caring environment for you to have the best health outcomes possible.”

She has been named a Philadelphia Top Doctor in 2022, 2023, and 2024. She is an active member of the Pennsylvania Medical Society and the American Society of Nephrology (ASN). 

Outside of work, she loves to spend time with her family and can often be found cheering from the sidelines at soccer matches or baseball games. She is an avid sports fan and enjoys the Eagles, Phillies, and Union games.