World-class heart care -- right here in the heart of Chester County, PA! The surgeons, cardiologists and other clinicians at Chester County Hospital provide a range of services that focus on the prevention, prompt diagnosis, and state-of-the-art treatment of heart disease. Our heart and vascular experts have been recognized by their peers regionally and nationally for excellence in cardiac care. 

Cardiac Surgery

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Steven J. Weiss, MD, MBA
Chief, Cardiac Surgery, Chester County Hospital
Clinical Assistant Professor of Surgery, Perelman School of Medicine

Dr. Steven Weiss has extensive experience in high-risk, off-pump and all-arterial conduit coronary bypass surgery. He has a special interest in valve repair and minimally invasive cardiac surgery. He is focused on patient safety science and improving the detection and delivery of care to cardiac valve disease patients.

Dr. Weiss has more than 25 years of clinical cardiac surgery experience most recently as director of cardiothoracic surgery at Mercy Fitzgerald Hospital. He received his medical degree from the Medical College of Pennsylvania and his MBA from the Wharton School of the University of Pennsylvania. Dr. Weiss completed a general surgery residency at Presbyterian Medical Center, cardiothoracic surgery residency at SUNY Downstate Medical Center and chief residency at the University of Maryland Health System. He went on to complete a fellowship at Cleveland Clinic.

Dr. Weiss is board certified in thoracic and cardiac surgery and is a fellow of the American College of Surgeons, American College of Cardiology and American College of Chest Physicians.

 

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Robert K. Wenger, MD
Clinical Assistant Professor of Surgery, Perelman School of Medicine

Dr. Robert Wenger's clinical experience includes coronary artery bypass surgery with total arterial revascularization, off-pump bypass surgery, minimally invasive surgery, valve replacement and repair and blood conservation techniques. He also has extensive surgical experience treating octogenarians and other high risk populations.

Prior to coming to Chester County Hospital, Dr. Wenger served as director of cardiothoracic surgery and chairman of the department of surgery and the board of trustees at Brandywine Hospital. He was also instrumental in the launch of Brandywine Hospital's valve clinic and bloodless medicine program. Before that, Dr. Wenger was in private practice in the Palm Beach/Boca Raton area of Florida and served as director of the Center for Bloodless Medicine and Surgery at JFK Medical Center.

Dr. Wenger received his medical degree from the Medical College of Pennsylvania and completed his research fellowship in cardiothoracic surgery at the Hospital of the University of Pennsylvania. He completed his residency in surgery at the Medical College of Pennsylvania and his residency in cardiothoracic surgery at Emory University. He is board certified in thoracic surgery and is a fellow of the American College of Chest Physicians, the American College of Surgeons, and is a member of the Society of Thoracic Surgeons.

 

  Jennifer Dempsey, PA-C
Ms. Dempsey completed her undergraduate training in biological sciences at The College of New Jersey, and her Physician Assistant education at Philadelphia University in Philadelphia, PA. She specializes in minimally invasive harvesting of both saphenous vein and radial artery.

  Jenny R. Dexter, PA-C
Ms. Dexter completed her Physician Assistant education at Philadelphia University in Philadelphia, PA. She has specialized for the past 13 years as a Physician Assistant in Cardiothoracic Surgery. She has experience in minimally invasive harvesting of both saphenous vein and radial artery.

 David Jones, CRNP - Chester County Hospital - Heart and Vascular David Jones, MSN, CRNP, ACNP-BC
Mr. Jones earned his bachelor of science in nursing from Wilkes University and completed a critical care internship from Hershey Medical Center in 1999. He completed his master of science in nursing from Thomas Jefferson University and became board certified as an acute care nurse practitioner in 2006. Mr. Jones has been with Penn Medicine since 2001 and has a special interest in catheter-based structural heart technology, advanced cardiovascular imaging, multi-disciplinary program operations and quality improvement. He is a member of the American Association of Nurse Practitioners, American College of Cardiology, Society of Thoracic Surgeons, American Association of Critical Care Nurses and Sigma Theta Tau.

Vascular Surgery

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Daniel J. Hayes, MD
Dr. Hayes graduated from Tulane University School of Medicine in New Orleans, Louisiana. He then completed a residency at the University of Texas Southwestern Medical Center in Dallas, Texas and a fellowship at Pennsylvania Hospital in Philadelphia. Dr. Hayes is Board Certified in General Surgery and is a member of Surgical Specialists.

 

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Gerald Patton, MD
Dr. Patton graduated from the University of Miami School of Medicine, Miami. He completed an internship and residency at Thomas Jefferson University Hospital and a fellowship at the University of Kansas Medical Center. Dr. Patton specializes in Vascular Surgery and is Board Certified by the American Board of Surgery and is in practice with Surgical Specialists, P.C.

 

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Sean Ryan, MD
Specializing in Vascular Surgery, Dr. Ryan graduated from Jefferson Medical College, Philadelphia. He completed an internship and residency at Pennsylvania Hospital in Philadelphia and a fellowship at Johns Hopkins Hospital in Baltimore, Maryland. Dr. Ryan has joined Surgical Specialists, P.C.

 

Cardiology

Dr. Baldi  Christopher Baldi, DO FACC
Non-invasive Cardiologist
Dr. Baldi attended medical school at the University of Medicine and Dentistry of New Jersey-School of Osteopathic Medicine. He completed a rotating internship at Kennedy Memorial Hospitals-University Medical Center, his Internal Medicine residency at Geisinger Medical Center and his Cardiology fellowship at The Graduate Hospital in Philadelphia.

Dr. Baldi is board certified in Cardiovascular Disease by the American Board of Internal Medicine, Nuclear Cardiology by the Certification Board of Nuclear Cardiology and Echocardiography by The National Board of Echocardiography.

Dr. Baldi has special interests in advanced imaging, congenital cardiomyopathies and Sports Medicine and is a member of the Sports and Exercise Cardiology Section of the American College of Cardiology.

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Timothy Boyek, MD, FACC, FSCAI
Dr. Boyek completed his undergraduate training in Biology at Wilkes University as part of a six-year accelerated training program to receive his medical degree from Hahnemann University in Philadelphia. A General Cardiology and Interventional Cardiology fellowship was completed at the Medical College of Pennsylvania. He currently is board certified in Cardiovascular Diseases as well as Interventional Cardiology. He remains active in multiple clinical research trials at Chester County Hospital.

Recently, he has been instrumental in establishing a primary angioplasty program for the treatment of heart attacks (acute myocardial infarctions) at Chester County Hospital. This primary angioplasty program is the first of its type in Chester County. Dr. Boyek is the Medical Director of the Cardiac Diagnostic Interventional Catheterization Laboratories at Chester County Hospital and is a partner at Chester County Cardiology Associates. Dr. Boyek sees patients at their West Chester office.

 

/-/media/images/chestercounty/migrated/falcone5787.ashx  Rita A. Falcone, MD, FACC
Dr. Falcone is a graduate of the Medical College of Pennsylvania in Philadelphia. She completed her internship and residency in Internal Medicine along with a Cardiovascular Fellowship at the University Of Michigan Hospital. She had sub-specialty training in echocardiography. Dr. Falcone is a noninvasive cardiologist who is Board Certified in Cardiovascular Medicine. She is a partner at Chester County Cardiology Associates and is also the Director of the outpatient accredited Echocardiography Laboratories. Her other areas of expertise include management of coronary artery disease, congestive heart failure, peripheral artery disease, cardiac arrhythmias and cardiac valvular diseases. She sees patients at the Kennett Square and West Chester offices of Chester County Cardiology.

  Ramprasad Gadi, MD
Dr. Gadi earned his medical degree at Kilpauk Medical College in India. He completed his residency at Abington Memorial Hospital and finished his fellowship at Albert Einstein Medical Center. Board certified in the field of Internal Medicine, he practices at West Chester Cardiology. 

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Mian Jan, MD, FACC
Dr. Jan completed his fellowship at Temple University in Philadelphia. He has received numerous awards throughout his career. He is board certified in Internal Medicine, Cardiology and Interventional Cardiology. Dr. Jan is the lead research physician with many clinical trials through West Chester Cardiology and Chester County Hospital. Dr. Jan is President-elect for Chester County Medical Society, the President of West Chester Cardiology and works as an Interventional and Clinical Cardiologist at Chester County Hospital where he is also Chairman of the Department of Medicine and Chief of Staff. 

 

/-/media/images/chestercounty/migrated/lewis5567.ashx Joseph Lewis, MD, FACC, FSCAI
Dr. Lewis completed his undergraduate training at St. Joseph's University, Philadelphia. He received his medical degree from Thomas Jefferson Medical College in Philadelphia, Pennsylvania. Dr. Lewis remains active in clinical research. In addition to his expertise in Interventional Cardiology, Dr. Lewis has vast knowledge and experience in the treatment of peripheral arterial disease. Currently, Dr. Lewis is an Interventional Cardiologist at Chester County Hospital and a partner at Chester County Cardiology Associates. He sees patients in their West Chester office.
 
/-/media/images/chestercounty/migrated/mallya6965.ashx Raghuram Mallya, MD
Dr. Mallya graduated summa cum laude from Trenton State College, now known as The College of New Jersey. He graduated from UMDNJ-New Jersey Medical School and completed an internship, residency and fellowship at Thomas Jefferson University Hospital. Dr. Mallya is Board Certified in Internal Medicine, Cardiovascular Disease, Nuclear Cardiology, and Echocardiography. He is trained in cardiovascular computed tomography. Dr. Mallya's special interests include preventative cardiology, non-invasive imaging, hemodynamics, and cardiac disease in South Asians. Dr. Mallya is an associate of Chester County Cardiology Associates and sees patients in its offices in Kennett Square and West Chester.

 
Sharayne Mark, MD Sharayne Mark, MD
Dr. Mark attended medical school at the University of Rochester School of Medicine and Dentistry. She completed her internship and Internal Medicine residency at Weill Cornell New York Presbyterian Hospital and her Cardiology fellowship at the Hospital of the University of Pennsylvania. Dr. Mark is board certified in Internal Medicine by the American Board of Internal Medicine and board eligible in Cardiovascular Disease, Echocardiography, and Nuclear Cardiology. Dr. Mark has special interest in advanced imaging, preventive Cardiology and women’s cardiovascular health, and health disparities. She is a member of the American College of Cardiology, American Heart Association, and National Lipid Association.

/-/media/images/chestercounty/migrated/neithardt6083.ashx  Gregg L. Neithardt, MD, FACC
Dr. Neithardt is a graduate of Binghamton University, Binghamton, New York and completed his medical education at Georgetown University School of Medicine, Washington, DC graduating Magna Cum Laude. He completed his Internal Medicine residency and Cardiovascular Fellowship training at the University of Chicago Hospitals. Dr. Neithardt is board certified in Internal Medicine, Cardiovascular Disease and Adult Echocardiography. He has expertise in all aspects of general cardiology with a particular interest in prevention. Dr. Neithardt is a partner at Chester County Cardiology Associates and sees patients at their Exton and West Chester offices.
 
/-/media/images/chestercounty/migrated/reed5566.ashx  Donna Reed, DO, FACC
Dr. Reed is a graduate of the University of Medicine and Dentistry of New Jersey, School of Osteopathic Medicine. She completed her Internal Medicine Residency at Thomas Jefferson University Hospital and Fellowship in Cardiovascular Diseases at Hahnemann University Hospital. Dr. Reed is Board Certified in Cardiovascular Diseases and Nuclear Cardiology. She serves as the Director of the Non-Invasive Cardiovascular Laboratories at Chester County Hospital and the Vascular Laboratories at Chester County Cardiology Associates. Dr. Reed received recognition inMain Line Today's2007 Top Docs Issue. Her clinical areas of expertise include consultative cardiology for the management of coronary artery disease, congestive heart failure, valvular heart disease, aortic pathology, peripheral vascular disease and arrhythmia. She has a special interest in heart disease in women, congenital heart disease in the adult and 3D Echocardiography. Dr. Reed is a partner at Chester County Cardiology Associates and sees patients at their West Chester office.
 
/-/media/images/chestercounty/migrated/wahl5564.ashx  Jeffrey Wahl, MD, FACC
Dr. Wahl completed his undergraduate training in Biology at Johns Hopkins University in Baltimore, Maryland. He received his medical degree from Hahnemann University School of Medicine in Philadelphia. His fellowship was also completed at Hahnemann University. He is board certified in Internal Medicine, Cardiology, and Nuclear Cardiology. Dr. Wahl's special interests include clinical cardiology, nuclear cardiology and enhanced external counterpulsation (EECP). He is Director of Nuclear Cardiology at The Heart Center of Chester County, Chairman of the Radiation Safety Committee at Chester County Hospital, and was in the first group of physicians internationally to be certified by the Certification Board of Nuclear Cardiology. Dr. Wahl is a partner at Chester County Cardiology Associates and sees patients at their offices in West Chester and Kennett Square.

/-/media/images/chestercounty/migrated/warnick5565.ashx  William Clay Warnick, MD, FACC
Dr. Warnick completed his undergraduate training in Biochemistry at Rutgers University, New Brunswick, New Jersey. He received his medical degree and completed a fellowship in Cardiovascular Medicine at Hahnemann University School of Medicine in Philadelphia. Dr. Warnick regularly lectures on multiple topics in Cardiology. He is the, Medical Director of the Congestive Heart Failure Clinic at Chester County Cardiology Associates; the Medical Director of Cardiac Rehabilitation and Co-Medical Director of the Heart Failure Program at Chester County Hospital. He has expertise in transthoracic, transesophageal echocardiography, and nuclear cardiology. Dr. Warnick is a partner at Chester County Cardiology Associates and sees patients at their West Chester and Kennett Square offices.
 
 

Electrophysiology

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Hope Helfeld, DO, FACC
Dr. Helfeld received a medical degree from Robert Wood Johnson Medical School in New Jersey. She completed her internship at John F. Kennedy Memorial Hospital, residency at Albert Einstein Medical Center and fellowship at Presbyterian Medical Center. She is board certified in internal medicine, cardiology and electrophysiology. Dr. Helfeld sees patients at West Chester Cardiology.

 

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Richard C. Hui, MD, PhD, FACC
Dr. Hui is Medical Director of Electrophysiology Services at Chester County Hospital. He received a medical degree from Tufts University School of Medicine in Boston after being awarded a PhD in bio-organic chemistry from M.I.T. He completed a fellowship in cardiology and internal medicine and a subspecialty fellowship in electrophysiology at John Hopkins Hospital. He is board certified in cardiovascular disease and electrophysiology. Dr. Hui sees patients at Chester County Cardiology's West Chester office.

 

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Kurt J. Schillinger, MD, PhD
Dr. Schillinger is Chief of the Arrhythmia Program at Chester County Hospital. He received a medical degree from Baylor College of Medicine where he also received a PhD in molecular biology. He completed his internship and residency in medicine at Hospital of the University of Pennsylvania (HUP). In addition, Dr. Schillinger completed a fellowship in cardiovascular disease and a subspecialty fellowship in electrophysiology at HUP. He is board certified in internal medicine, cardiovascular disease and electrophysiology. Dr. Schillinger sees patients at Chester County Cardiology's Kennett Square and West Chester offices.

 

Heart & Vascular Nurse Navigators

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Jennifer Ciccarelli, RN, BSN, CCRN
Ms. Ciccarelli earned her bachelor of science in nursing from the University of Delaware in 1990 and is presently in graduate school to earn her adult gerontology acute care nurse practitioner degree from Walden University. Ms. Ciccarelli has been with Chester County Hospital since 1991 and has an extensive background in intensive care and cardiac nursing. Presently, she is a heart and vascular nurse navigator where she educates patients and helps them coordinate services.

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Agnes Friedberg, RN, BSN, CCRN
Ms. Friedberg earned her bachelor of science in nursing from Temple University in 1999 and has been with Chester County Hospital since 2016. Her previous experience has given her an extensive background in critical care nursing in addition to caring for patients with heart failure. Presently, she is a heart and vascular nurse navigator where she educates patients and helps them coordinate services.

 
Donna Taylor, RN, MSN, CCRN
Ms. Taylor earned her master of science in nursing from Grand Canyon University, specializing in Leadership in Healthcare Systems in 2016. She earned her bachelor of science in nursing from Eastern University in 2006. Ms. Taylor has been with Chester County Hospital since 1993 and has an extensive background in critical care and cardiac nursing. Presently, she is a heart and vascular nurse navigator where she educates patients and helps them coordinate services.
 
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