Dr. John J. Irvan

Benjamin Keyser is a Vascular Surgeon and an Undersea and Hyperbaric Medicine provider in Lewisburg, Pennsylvania. Dr. Keyser is rated as an Advanced provider by MediFind in the treatment of Primary Intestinal Lymphangiectasia. His top areas of expertise are Carotid Artery Disease, Primary Intestinal Lymphangiectasia, Meige Disease, Lymphangiectasis, and Carotid Artery Surgery.

Juan Derojas is a Vascular Surgeon and a General Surgeon in Plains, Pennsylvania. Dr. Derojas is rated as a Distinguished provider by MediFind in the treatment of Primary Intestinal Lymphangiectasia. His top areas of expertise are Carotid Artery Disease, Peptic Ulcer, Arterial Embolism, Cellulitis, and Carotid Artery Surgery.

Emelia Bittenbinder, MD, specializes in vascular surgery and is board-certified in surgery and vascular surgery by the American Board of Surgery. She practices at UPMC Heart and Vascular Institute and is affiliated with UPMC Memorial, UPMC West Shore, UPMC Carlisle, UPMC Community Osteopathic, and UPMC Harrisburg. Dr. Bittenbinder earned her medical degree at Texas A&M University School of Medicine and completed a residency and a fellowship at Milton S. Hershey Medical Center. LGBTQIA+ Affirming: This provider has completed training on how to create a safe, comfortable, and welcoming environment for LGBTQIA+ patients. This provider may or may not offer LGBTQIA+ specific medical or surgical care. Please ask when scheduling. Dr. Bittenbinder is rated as an Advanced provider by MediFind in the treatment of Primary Intestinal Lymphangiectasia. Her top areas of expertise are End-Stage Renal Disease (ESRD), Primary Intestinal Lymphangiectasia, Meige Disease, and Venous Insufficiency.