Dr. James F. Tretter

Nicholas Madden, DO, specializes in vascular surgery and is certified by the American Osteopathic Board of Surgery. He practices at Vasc Altoona Clinic and is affiliated with UPMC Bedford and UPMC Altoona. Dr. Madden completed his medical degree at Philadelphia College of Osteopathic Medicine, his fellowship at University of Pennsylvania School of Medicine, and residency at Philadelphia College of Osteopathic Medicine. Dr. Madden is rated as a Distinguished provider by MediFind in the treatment of Retinopathy Arteriosclerotic. His top areas of expertise are Carotid Artery Disease, Arterial Insufficiency, Peripheral Artery Disease, Carotid Artery Surgery, and Angioplasty.

Edith Tzeng, MD, completed her medical degree at the University of Chicago. She completed her internship, residency, research fellowship, and clinical fellowship at the University of Pittsburgh School of Medicine. Dr. Tzeng is rated as a Distinguished provider by MediFind in the treatment of Retinopathy Arteriosclerotic. Her top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Peripheral Artery Disease, Aneurysm Repair, and Thrombectomy.

George Dekornfeld is a Vascular Surgeon in Johnstown, Pennsylvania. Dr. Dekornfeld is rated as an Advanced provider by MediFind in the treatment of Retinopathy Arteriosclerotic. His top areas of expertise are Peripheral Artery Disease, Arterial Insufficiency, Carotid Artery Disease, and Arterial Embolism.