Dr. Michael De Jesus

Mark Voellinger is a Gastroenterologist in Saint Clairsville, Ohio. Dr. Voellinger is rated as a Distinguished provider by MediFind in the treatment of Juvenile Polyposis Syndrome. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Hiatal Hernia, Endoscopy, and Gastrectomy.

A native of Western Pennsylvania, Dr. Robert Fusco graduated summa cum laude from the University of Pittsburgh. As an undergraduate, he was elected into Phi Beta Kappa scholastic honor society membership. In 1973, he received his medical degree with honors from the University and was elected into Alpha Omega Alpha honor medical society. His specialty training in Internal Medicine and Gastroenterology was at Duke University Medical Center in North Carolina. He has been in practice at Sewickley since 1977. Dr. Fusco is board-certified both in Internal Medicine and Gastroenterology. He is a member of the American Gastroenterological Association, the American Society of Gastrointestinal Endoscopy, the Pennsylvania Society of Gastroenterology, and the American Association of Ambulatory Surgery Centers.He was formerly president of Sewickley Medical Association, a multi-specialty group President of the Center for Digestive Health and Nutrition, and Medical Director of Three Rivers Endoscopy Center. He is certified in Advanced Cardiac Life Support. Dr. Fusco is active on the staff of Heritage Valley Health System Sewickley Campus and Three Rivers Endoscopy Center. He is a participating physician in Pennsylvania Blue Shield and Medicare. His practice is limited to Gastroenterology. He is married, has three children, seven grandchildren, and resides with his wife in Sewickley, PA. Dr. Fusco is rated as an Advanced provider by MediFind in the treatment of Juvenile Polyposis Syndrome. His top areas of expertise are Ulcerative Colitis, Hemorrhagic Proctocolitis, Gastric Dysmotility, Endoscopy, and Colonoscopy.

Julia McNabb-Baltar, MD, MPH, specializes in gastroenterology and is board-certified by the American Board of Internal Medicine. She practices at UPMC Digestive Health Care and GI Lab in UPMC Presbyterian and is affiliated with UPMC Mercy. Dr. McNabb-Baltar received her medical degree from the Université de Montréal and completed her residency and fellowship at Royal Victoria Hospital, followed by a fellowship at Montreal General Hospital. Dr. Mcnabb is rated as a Distinguished provider by MediFind in the treatment of Juvenile Polyposis Syndrome. Her top areas of expertise are Acute Pancreatitis, Hereditary Pancreatitis, Chronic Pancreatitis, Endoscopy, and Colonoscopy.