Mark Andrew Cedar DO

Summary

• Mark Cedar, DO is a gastroenterologist based in Upper Saint Clair, PA, specializing in advanced endoscopic intervention, biliary tract disease, and inflammatory bowel disease. He completed his medical education at Lake Erie College of Osteopathic Medicine, with further training in gastroenterology and internal medicine through fellowships and a residency at multiple institutions including UPMC and Allegheny Health Network. He is an owner of South Hills Endoscopy Center, a partner at Pittsburgh Gastroenterology Associates, and holds positions at South Hills Endoscopy Center, St. Clair Hospital, UPMC Washington Hospital and UPMC Mercy. His expertise includes conditions like colitis and colorectal cancer, ulcerative colitis, Crohn’s disease, liver disease, GERD, EOE, peptic ulcer disease and pancreatitis. He is an Associate Professor of Gastroenterology at Duquesne University College of Medicine. Dr. Cedar has authored publications on chronic hepatitis C and lymphoid relapse in the pancreas, and has been recognized as a Top Doctor by Castle Connolly from 2017 to 2024.