Dr. John J. Irvan

Dr. Ryer is a board-certified and fellowship-trained vascular surgeon. His clinical interests include management of thoracic and abdominal aneurysms, carotid stenting and endarterectomy, stenting of the lower extremities and venous disease management. Dr. Ryer earned his medical degree from Temple University. He completed his residency at NewYork-Presbyterian Hospital/Weill Cornell Medical Center, and his fellowship in vascular surgery at Mayo Clinic, Rochester. Dr. Ryer is certified by the American Board of Surgery in surgery and vascular surgery. Dr. Ryer is highly rated in 16 conditions, according to our data. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Stent Placement.

James R. Elmore, MD, is a vascular surgeon and chair of Vascular Surgery. Dr. Elmore obtained his medical degree from the University of Connecticut. He completed his surgery residency at Maine Medical Center and his vascular fellowship at Mayo Clinic in Rochester, Minn. Dr. Elmore is board certified in vascular surgery by the American Board of Surgery. He is a member of the American College of Surgeons, the Delaware Valley Vascular Society, the Eastern Vascular Society, the Vascular and Endovascular Surgery Society, the Society for Clinical Vascular Surgery and the Society for Vascular Surgery. Dr. Elmore has been recognized as a distinguished member of the Society for Vascular Surgery, a rare honor and distinction. He is past president of the Delaware Valley Vascular Society. Dr. Elmore’s clinical interests include carotid artery stents & carotid endarterectomy and was the principal investigator for CREST (a research trial investigating carotid stents). He has extensive experience with aortic aneurysm surgery and stents, and broad experience with leg revascularization with leg stents or bypass for peripheral arterial disease. Dr. Elmore is pleased to provide minimally invasive procedures for varicose veins for his patients at Geisinger. Stent placement for renal artery disease and mesenteric disease are also procedures he commonly performs. Dr. Elmore likes to treat all his patients as if they are his own family members. Every patient is treated as a VIP. He works hard to give them the most compassionate care possible. Dr. Elmore is highly rated in 18 conditions, according to our data. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Arterial Insufficiency, Stent Placement, and Aneurysm Repair.

Dr. Garvin is a board-certified and fellowship-trained vascular surgeon. His clinical and research interests include carotid artery disease, aortic aneurysmal disease and peripheral artery disease. He has extensive experience with carotid stenting, carotid surgery, aortic stenting and aortic surgery, and stenting and surgery of arteries in the lower extremities. He also provides vascular access for dialysis patients. Dr. Garvin earned his medical degree from Temple University. He completed his residency at Western Pennsylvania Hospital, and a fellowship in vascular surgery at the Milton S. Hershey Medical Center. Dr. Garvin is certified by the American Board of Surgery in surgery and vascular surgery. Dr. Garvin is highly rated in 19 conditions, according to our data. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Carotid Artery Surgery.