Dr. David R. Mariner

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 rated as a Distinguished provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Stent Placement.

About Christopher Alexander DeMaioribus. Dr. Demaioribus is rated as a Distinguished provider by MediFind in the treatment of Peripheral Artery Disease. His top areas of expertise are Arterial Insufficiency, Peripheral Artery Disease, Carotid Artery Disease, Thoracic Aortic Aneurysm, and Carotid Artery Surgery.

Dr. Obmann is a board-certified and fellowship-trained vascular surgeon. Her clinical interests include abdominal/thoracic aortic aneurysm/dissection repair, carotid artery stenting and endarterectomy, PVD balloon angioplasty/stenting and lower extremity bypass, endovenous treatments, endovascular thrombolytic therapy for acute DVT, and hemodialysis procedures. Dr. Obmann attended the Lake Erie College of Osteopathic Medicine, where she received her medical degree. She completed her residency as well as her fellowship in vascular surgery at Geisinger Medical Center. Dr. Obmann is certified by the American Board of Surgery in vascular surgery. Dr. Obmann is rated as a Distinguished provider by MediFind in the treatment of Peripheral Artery Disease. Her top areas of expertise are Carotid Artery Disease, Arterial Embolism, Arterial Insufficiency, Peripheral Artery Disease, and Carotid Artery Surgery.