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Leadership team

Committed to providing real and lasting improvements in the lives of patients with cardiovascular issues, today and well into the future.

casale

Alfred Stanley Casale, MD

Alfred Casale, MD, is associate chief medical officer for Geisinger and chair of the Geisinger Heart Institute. He joined Geisinger in 2001 as the director of Cardiothoracic Surgery at the Richard and Marion Pearsall Heart Hospital at Geisinger Wyoming Valley Medical Center. He serves as chairman of the board of directors for the American Heart Association in Northeast Pennsylvania.

Dr. Casale earned his medical degree from the Johns Hopkins University School of Medicine. He did his residency at Johns Hopkins University, as well as postdoctoral clinical and policy work at Memorial Sloan Kettering Cancer Center and Harvard University’s John F. Kennedy School of Government. Dr. Casale has held leadership roles in numerous local, regional and national surgical societies and faculty positions at Johns Hopkins, UMDNJ, Misericordia University, King’s College, Philadelphia College of Osteopathic Medicine and Temple University. He is an advisor to Lehigh University’s Health Care Engineering program. He is board certified in surgery, thoracic surgery and surgical critical care.

Dr. Casale was instrumental in establishing Geisinger’s ProvenCare® program as a model for effective redesign of complex acute surgical care, using comparative effectiveness principles to generate value and reduce unwarranted variation. In addition to his administrative responsibilities, he maintains an active clinical practice in complex adult cardiac surgery.

“Our goal is to provide the highest level of consistent, evidence-based care to people facing acute and chronic cardiovascular diseases and conditions, returning them to their highest quality of life as quickly as possible. For providers, our vow is to support them in a way that lets them focus squarely on doing the best job in their area of responsibility. At the Geisinger Heart Institute, we strive to let doctors be doctors and help healthcare professionals at every level to ‘operate at the top of their license.’"
blankenship

James Blankenship, MD

James Blankenship, MD, is chair of Cardiology for the Geisinger Heart Institute and specializes in cardiovascular disease and interventional cardiology.

Dr. Blankenship obtained his medical degree from Cornell University. He also has an MSc in healthcare management from the Harvard School of Public Health. He completed his residency and his fellowship in cardiology at the University of Michigan Hospitals and Health Centers.
He is board certified by the American Board of Internal Medicine. He is a member of the American College of Cardiology, the American Heart Association and the Association of Clinical Research Professionals.

Clinical interests
Dr. Blankenship’s clinical interests include interventional cardiology, ASD/PFO closures and acute myocardial infarctions. His research interests include coronary stent clinical trials, cardiovascular quality improvement and best practices, and patient-centered outcomes.
carter

Russell Carter, MD

Russell Carter, MD, is a cardiothoracic and vascular surgeon specializing in cardiothoracic surgery. He is the chair of Cardiac Surgery for the Central and South-Central regions of the Geisinger Heart Institute.

Dr. Carter completed his medical degree, his residency in general surgery and fellowships in peripheral vascular surgery and cardiothoracic surgery at the University of Tennessee.

Dr. Carter performs aortic aneurysm repair, coronary artery bypass surgery and heart valve repair and replacement, as well as ventricular assist device implantation. He also performs cutting-edge procedures such as transcatheter aortic valve replacement (TAVR), and supports transcatheter mitral valve procedures.

Dr. Carter is an active member and participating member in the Society of Thoracic Surgeons and the American College of Surgeons.

dave

Rajesh Dave, MD

Rajesh Dave, MD, is an interventional cardiologist and chief of Cardiology for the Geisinger Heart Institute.

Dr. Dave received his medical degree from M.P. Shah Government Medical College. He completed his residency at Dartmouth-Hitchcock Medical Center. He completed a fellowship in cardiovascular disease and interventional cardiology at the University of Vermont School of Medicine, and he completed a second fellowship in vascular intervention at Lindner Center for Research and Education in Cincinnati, Ohio. He received additional training in advanced vascular and neuro intervention at Lenox Hill Heart and Vascular Institute in New York, N.Y.
Dr. Dave is board certified in cardiovascular disease and interventional cardiology by the American Board of Internal Medicine, as well as the American Board of Vascular Medicine.

Dr. Dave is a member of the Society for Cardiovascular Angiography and Interventions, the American College of Cardiology and the Pennsylvania Medical Association.

Clinical interests
Dr. Dave’s clinical interests include cardiovascular disease, vascular medicine and interventional cardiology.
derby

Christopher Derby, MD

Christopher Derby, MD, is a cardiothoracic surgeon and director of Congenital and Pediatric Heart Surgery for the Geisinger Heart Institute.

Dr. Derby obtained his medical degree from the University of Michigan. He completed his residency at the University of Virginia Medical Center and the Los Angeles County–University of Southern California Medical Center. He completed his fellowship in pediatric cardiothoracic surgery at Children’s Hospital Los Angeles.

Dr. Derby is board certified by the American Board of Thoracic Surgery.
facktor

Matthew A. Facktor, MD, FACS

Matthew A. Facktor, MD, FACS, is a general thoracic surgeon and system chair of Thoracic Surgery for the Geisinger Heart Institute.

Dr. Facktor obtained his undergraduate degree from the University of Michigan in Ann Arbor and his medical degree from Wayne State University in Detroit. He completed his general surgery residency at Rush-Presbyterian-St. Luke’s Medical Center in Chicago and his thoracic surgery fellowship at the George Washington University in Washington, D.C.
Dr. Facktor is board certified by the American Board of Surgery and the American Board of Thoracic Surgery.

He is a fellow of the American College of Surgeons, and maintains memberships in the Cardiothoracic Surgery Network, the General Thoracic Surgical Club, the Southern Thoracic Surgical Association and the Society of Thoracic Surgeons.

Clinical interests
Dr. Facktor’s clinical interests include lung cancer, lung cancer screening, lung nodules, esophageal cancer, mediastinal tumors, chest wall tumors and pleural disease. A large portion of his practice focuses upon robotic (minimally invasive) thoracic surgery, and his research interests center around the optimization of high-quality cancer care delivery.
lesko

Michael Lesko, DO, MHCM, FACC, FACP

Michael Lesko, DO, is chief of Cardiology for Geisinger’s Western Region for the Geisinger Heart Institute.

Dr. Lesko obtained his medical degree from the Philadelphia College of Osteopathic Medicine. He completed his internship at Doctors Hospital in Columbus, Ohio. He completed his residency in internal medicine and his fellowship in cardiovascular disease at Allegheny General Hospital in Pittsburgh, Pa. He also has a master’s degree in healthcare management from the Harvard School of Public Health.
Dr. Lesko is board certified in cardiovascular disease by the American Board of Internal Medicine.

He is a fellow of the American College of Cardiology and the American College of Physicians, and is a member of the Pennsylvania Osteopathic Medical Association.

Clinical interests
Dr. Lesko’s clinical interests include cardiac catheterization, echocardiography, cardiovascular genetics and nuclear cardiology.
matsumura

Martin Matsumura, MD

Martin Matsumura, MD, is a cardiologist and chief of Cardiology at Geisinger Wyoming Valley Medical Center for the Geisinger Heart Institute.

Dr. Matsumura obtained his medical degree from Case Western Reserve University. He completed his residency at the Hospital of the University of Pennsylvania and his fellowship in cardiovascular disease at the University of Virginia Medical Center.
Dr. Matsumura is board certified in cardiovascular disease by the American Board of Internal Medicine.

He is a member of the American College of Cardiology, the American College of Sports Medicine and the American Heart Association.

Clinical interests
Dr. Matsumura’s clinical interests include sports and exercise cardiology.
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Deepak Singh, MD

Deepak Singh, MD, is a cardiothoracic surgeon and is chair of Cardiac Surgery for the Northeast Region for the Geisinger Heart Institute.

Dr. Singh obtained his medical degree from Temple University. He completed his residencies at Morristown Memorial Hospital and Allegheny General Hospital.
He is board certified by the American Board of Surgery and the American Board of Thoracic Surgery. He is also a member of the American College of Cardiology.

Clinical interests
Dr. Singh’s clinical interests include mechanical circulatory support, structural heart disease, valvular heart disease and data analysis. His research interests include cardiovascular science, cancer, clinical trials, surgical sciences and education.
voyce

 Stephen Voyce, MD

Stephen Voyce, MD, is a cardiologist and chief of Cardiology at Geisinger Community Medical Center for the Geisinger Heart Institute.

Dr. Voyce received his medical degree from Hahnemann/Drexel University. He completed his internal medicine residency and fellowships in cardiovascular disease and interventional cardiology at the University of Massachusetts Medical Center.

Dr. Voyce is board certified in cardiovascular disease and interventional cardiology by the American Board of Internal Medicine.

He is a fellow of the American College of Cardiology, the American College of Physicians and the Society for Catheterization, Angiography and Intervention. He is member of the American Heart Association, the American Medical Association, the Lackawanna County Medical Society and the Pennsylvania Medical Society.

Clinical interests
Dr. Voyce’s clinical interests include cardiac catherization, PCI, coronary artery disease, acute coronary syndromes, STEMI, valvular heart disease, antithrombotic therapy, clinical research, lipid therapy and congestive heart failure.