Our locations are easy to access and can accommodate your healthcare needs from a simple question to an important clinical procedure. We are with you all the way, every day, and close to home. Here you’ll find that we consistently strive for excellence in care that is guided through our defined mission, vision, and values—with the goal of creating the... Read More about Doylestown Health Cardiothoracic

Dr. Williamson is a board-certified cardiologist who completed her cardiology fellowship at Harvard Medical School/Beth Israel Deaconess Medical Center. She earned her medical degree from University of Medicine and Dentistry of New Jersey. Dr. Williamson has accreditations in echocardiography, nuclear cardiology and internal medicine. She has additional training in cardiac MRI. Dr. Williamson has special interests in preventive cardiology and... Read More about Mary Ann Williamson, MD

Dr. Hansen is a Doylestown Health cardiologist who specializes in interventional cardiology and cardiovascular disease.

Dr. John Harding is a board-certified cardiologist who specializes in electrophysiology. His primary focus is ablation of complex arrhythmias, such as atrial fibrillation (AFib) and device-based therapy for congestive heart failure. Dr. Harding is director of the Electrophysiology (EP) Lab at Doylestown Hospital. He has been recognized by Philadelphia Magazine as a Top Doc for several consecutive years.

Dr. Stephen Sloan is a board-certified cardiologist who specializes in electrophysiology. He performs a wide range of procedures to diagnose and treat abnormal heart rhythms. Dr. Sloan's speciality includes electrophysiologic testing and catheter ablations, as well as implantation of cardiac devices. Dr. Sloan specializes in the treatment of complex heart rhythm problems. His scope of practice also includes coronary artery... Read More about Stephen B. Sloan, MD

Dr. Boland is an experienced, board-certified cardiologist specializing in interventional cardiology. He completed his medical degree and residency at Vanderbilt University Medical School, and a fellowship at University of Colorado Health Sciences. Dr. Boland has been recognized by Philadelphia Magazine as a Top Doc.

Dr. Bish received his doctorate of medicine from the University of Pennsylvania, where he also completed a residency in internal medicine and a prestigious, three-year fellowship in cardiovascular medicine. He is board-certified in internal medicine and nuclear cardiology, and board eligible in cardiology and echocardiography. Dr. Bish also holds a doctor of philosophy degree (PhD) in molecular biology from the... Read More about Lawrence T. Bish, MD, PhD

Dr. Richard Mascolo is a board-certified cardiologist with additional certification in Echocardiography and CT Angiography. He has been a member of the Doylestown community since 2002. Dr. Mascolo's special interests include valvular heart disease, cardiac imaging and prevention of heart disease. Dr. Mascolo is an active member of Doylestown Hospital's Valve Clinic and Heart Failure team.

Dr. Renee Sangrigoli began practicing in the Doylestown area in 2001. She is board certified in cardiovascular disease, nuclear medicine, advanced heart failure and transplant, and hypertension. Her interests include preventive cardiology, women's cardiovascular health and pulmonary hypertension. She runs an active outpatient research division within her practice.

Dr. Robert Sangrigoli grew up in Bucks County. He started the electrophysiology program at Doylestown Hospital in 2001. He is board certified in electrophysiology and cardiology. His clinical interests include ablation of complex arrhythmias such as atrial fibrillation and ventricular tachycardia as well as device implantation.

Dr. Francis Grzywacz is a board-certified cardiologist and the director of the Echocardiography Lab and Cardiac Services at Doylestown Hospital. His areas of interest include clinical cardiology, valvular heart disease, transcatheter aortic valve replacement (TAVR), cardiovascular imaging and cardiology research. Dr. Grzywacz began practicing at Doylestown Hospital in July 2007.

Dr. James Guarino is a board-certified cardiologist who specializes in the diagnosis and treatment of cardiovascular disease. He completed his medical degree and residency at Temple University School of Medicine, and a fellowship in cardiovascular disease at Milton Hershey Medical Center. He joined Doylestown Health Cardiology in 1998.

Dr. David L. Smith is a board-certified cardiologist. An MIT graduate, he started practicing in Doylestown more than 25 years ago. Dr. Smith is a former president of the Doylestown Hospital Medical Staff, and has held a wide variety of clinical leadership and administrative positions. Dr. Smith emphasizes a collaborative approach for patient and physician, with emphasis on optimization of... Read More about David L. Smith, MD

Dr Gejer grew up in Bucks County and has been practicing at Doylestown Hospital since 2006. His interests include clinical cardiology and advanced cardiac imaging including cardiac CTA, nuclear cardiology, and echocardiography. He currently serves as medical director of Cardiac Rehab and has held operational roles in his practice. He is a former president of the Bucks County Medical Society.

Dr. Irfan Khurram is a board certified cardiologist, fellowship-trained in electrophysiology. He specializes in complex heart rhythm disorders and arrhythmias, including atrial fibrillation (AFib).

Dr. Scheiring is fellowship-trained in cardiology and board-certified in cardiovascular diseases and nuclear cardiology. She received her doctorate in osteopathic medicine from the University of Medicine and Dentistry of New Jersey School of Osteopathic Medicine and completed her cardiovascular fellowship at Temple University Hospital.

Our locations are easy to access and can accommodate your healthcare needs from a simple question to an important clinical procedure. We are with you all the way, every day, and close to home. Here you’ll find that we consistently strive for excellence in care that is guided through our defined mission, vision, and values—with the goal of creating the... Read More about Doylestown Health Cardiology - CBC Location

Our locations are easy to access and can accommodate your healthcare needs from a simple question to an important clinical procedure. We are with you all the way, every day, and close to home. Here you’ll find that we consistently strive for excellence in care that is guided through our defined mission, vision, and values—with the goal of creating the... Read More about Doylestown Health Cardiology - DCA Location