Dr. Robert Fadden

Doctor Lal is a Penn State graduate (2008) majoring in Biology. He also received an M.B.A. in Healthcare Administration from St. Joseph’s Univ. in Philadelphia and was awarded a Certificate in Biomedical Science from the Philadelphia College of Osteopathic Medicine. He received his medical degree from Philadelphia's Philadelphia College of Osteopathic Medicine. He completed his Internal Medicine residency training at Rowan School of Osteopathic Medicine in New Jersey, where he also completed specialty fellowship training in Gastroenterology. He was chosen as Chief Fellow, a prestigious award.He is an active member of the American Osteopathic Association, the American College of Gastroenterology, the American Gastroenterology Association, and the American Society for Gastrointestinal Endoscopy. Dr. Lal is active on the staff of Heritage Valley Health System Sewickley Campus, Heritage Valley Health System Kennedy Campus (formerly Ohio Valley General Hospital), and Three Rivers Endoscopy Center. He currently resides in Pittsburgh with his wife, who is from the Pittsburgh area, and his three young children. Dr. Lal enjoys traveling with his family. His hobbies include hiking, reading, cooking, and watching Penn State football. Dr. Lal is rated as an Advanced provider by MediFind in the treatment of Giardia Infection. His top areas of expertise are Trichohepatoenteric Syndrome, Diarrhea, Familial Adenomatous Polyposis, and Turcot Syndrome.

Sultan Mahmood, MD, specializes in gastroenterology and is board certified in gastroenterology and internal medicine by the American Board of Internal Medicine. He is affiliated with UPMC Passavant, UPMC St. Margaret, UPMC Mercy, UPMC Presbyterian, and UPMC Shadyside. Dr. Mahmood completed his fellowships at Beth Israel Deaconess Medical Center - Harvard University and Oklahoma University College of Medicine, residency at Oklahoma University College of Medicine, and medical degree at King Edward Medical University. Dr. Mahmood’s clinical interests include third space endoscopy (including POEM, G-POEM, and ESD), Endoscopic Ultrasound, ERCP, large polyp EMR, and Endoscopic stricture management. His research interests include medical education and third-space endoscopy. He has multiple publications focusing on improving quality metrics for endoscopy and colonoscopy, medical education, and third-space endoscopy. Dr. Mahmood is the Director of Third Space Endoscopy and Advanced Tissue Resection. He is married and has 3 children. Outside of work, he enjoys playing tennis, pickleball, and hiking. Dr. Mahmood is rated as an Advanced provider by MediFind in the treatment of Giardia Infection. His top areas of expertise are Jaundice, Choledocholithiasis, Gastrointestinal Bleeding, Endoscopy, and Colonoscopy.