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 Choledocholithiasis. His top areas of expertise are Jaundice, Choledocholithiasis, Gastrointestinal Bleeding, Endoscopy, and Colonoscopy.

Jennifer Chennat, MD, specializes in pancreatobiliary diseases and is board-certified in gastroenterology by the American Board of Internal Medicine. She practices at UPMC Digestive Health Care and is affiliated with UPMC Horizon, UPMC St. Margaret, UPMC Children's Hospital of Pittsburgh, UPMC Magee-Womens Hospital, UPMC Shadyside, UPMC Presbyterian, and UPMC Mercy. Dr. Chennat received her medical degree from Thomas Jefferson University Sidney Kimmel Medical College. She completed her residency at Thomas Jefferson University Hospital and fellowships at Loyola University Medical Center and the University of Chicago Medical Center. Dr. Chennat is rated as an Advanced provider by MediFind in the treatment of Choledocholithiasis. Her top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Pancreatectomy.

Stefan Scholz, MD, is a pediatric surgeon in the Division of General and Thoracic Surgery at UPMC Children’s Hospital of Pittsburgh, certified in general surgery and pediatric surgery by the American Board of Surgery. He is director of minimally invasive surgery UPMC Children’s, and assistant professor of surgery at the University of Pittsburgh School of Medicine. Dr. Scholz received his medical degree from Philipps-University Marburg in Germany and completed his training in general surgery at Vanderbilt University Medical Center/Vanderbilt University, Emory University Hospital/Emory University, and Beth Israel Deaconess Medical Center/Harvard Medical School, where he was also chief resident. Dr. Scholz received his pediatric surgery training at University Hospital Mannheim/University of Heidelberg, Germany, and Boston Children’s Hospital/Harvard Medical School, followed by a fellowship at Johns Hopkins Hospital/Johns Hopkins University. Before coming to Pittsburgh, he concluded further subspecialty training in pediatric hepatobiliary surgery in the liver unit at Diana, Princess of Wales Children’s Hospital/University in Birmingham, U.K. Dr. Scholz’s clinical interests include the full spectrum of advanced minimally invasive neonatal and pediatric surgery, including: congenital anomalies, robotic pediatric surgery, pediatric hepatobiliary surgery including biliary atresia and choledochal cysts, colorectal pediatric surgery, chest wall deformities such as pectus excavatum and carinatum, pediatric lung and esophageal surgery including anorectal malformations, Hirschsprung’s disease, inflammatory bowel disease (IBD), and hyperhidrosis. Dr. Scholz strives to minimize postoperative pain for children using minimally invasive surgical techniques in combination with the latest regional anesthesia methods. He focuses on new innovations in pediatric surgery as well as ultrasound-guided interventional techniques for children. He is co-principal investigator of several NIH-funded research projects and has published numerous articles in peer-reviewed journals as well as book chapters. Dr. Scholz has presented at numerous national and international conferences and is editor of the textbook “Diagnostic and Interventional Ultrasound in Pediatrics and Pediatric Surgery.” Dr. Scholz is a member of the American College of Surgeons (ACS), the American Pediatric Surgery Association (APSA), Association for Academic Surgery (AAS), Society of Gastrointestinal Endoscopic Surgeons (SAGES), International Pediatric Endosurgery Group (IPEG), Chest Wall International Group (CWIG), German Society of Pediatric Surgery (DGKCH), and the European Paediatric Surgeons Association (EUPSA). Dr. Scholz lives in Fox Chapel with his wife and 3 children and enjoys riding his bicycle. View the full list of Dr. Scholz’s publications on PubMed. View Dr. Scholz’s profile at the University of Pittsburgh School of Medicine – Department of Surgery, Division of Pediatric Surgery. Dr. Scholz is rated as an Advanced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Appendicitis, Esophageal Atresia, Gangrene, Appendectomy, and Gallbladder Removal.

Jennifer Totten, MD, specializes in gastroenterology and is board-certified in internal medicine and gastroenterology by the American Board of Internal Medicine. Dr. Totten completed her fellowship at Allegheny General Hospital, residency at the University of Pittsburgh School of Medicine and medical degree at the University of Rochester Medical Center. Dr. Totten is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. Her top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Gastrectomy, and Endoscopy.

Dr. Mlecko earned his medical degree from the Temple University School of Medicine in Philadelphia. He completed his residency in internal medicine at Temple University Hospital, where he also trained as a fellow in the specialty of gastroenterology. He is board-certified in gastroenterology and has special interests in hepatology and motility. Dr. Mlecko is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Watermelon Stomach, Angiodysplasia of the Colon, Turcot Syndrome, Endoscopy, and Gastrectomy.

Dr. Koziara earned his medical degree from the Wayne State University School of Medicine in Detroit. He completed his internship and residency in internal medicine at St. Joseph Mercy Hospital in Michigan. Dr. Koziara completed his fellowship training in gastroenterology at Allegheny General Hospital. He is board-certified in gastroenterology and has special interest in inflammatory bowel disease, nutrition, and preventive care. Dr. Koziara is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Colitis, Viral Gastroenteritis, Diverticular Disease, Colonoscopy, and Gastrectomy.

Dr. Thomas earned his medical degree from the West Virginia University School of Medicine. He completed his internal medicine residency at Allegheny General Hospital where he also completed his fellowship training in gastroenterology and advanced fellowship training in therapeutic endoscopy. Dr. Thomas is board-certified in gastroenterology and a certified Diplomate with the American Board of Internal Medicine/Gastroenterology. He has a special interest in inflammatory bowel disease as well as nutrition and wellness. Dr. Thomas is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Diverticular Disease, Chronic Erosive Gastritis, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

Melanie C. Ongchin, MD, FACS, is a surgical oncologist and specializes in the treatment of recurrent malignancies and peritoneal carcinomatosis. Dr. Ongchin is board-certified in general surgery and complex surgical oncology. She received her medical degree from the University of Medicine and Dentistry of New Jersey, New Jersey Medical School in Newark, N.J. Dr. Ongchin completed a research fellowship at Roswell Park Cancer Institute in Buffalo, N.Y. She also completed a residency at the State University of New York, University at Buffalo in N.Y., followed by a fellowship in surgical oncology at UPMC. Dr. Ongchin is a member of the Society of Surgical Oncology and the American College of Surgeons. Dr. Ongchin is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. Her top areas of expertise are Melanoma, Pseudomyxoma Peritonei, Colorectal Cancer, Hernia Surgery, and Small Bowel Resection.

Samer Tohme is a General Surgeon in Pittsburgh, Pennsylvania. Dr. Tohme has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Hepatic Ischemia, Liver Cancer, Fibrolamellar Carcinoma, Hepatectomy, and Liver Transplant. Dr. Tohme is currently accepting new patients.

William Nelson is a General Surgeon in Wexford, Pennsylvania. Dr. Nelson is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Cholangiocarcinoma (Bile Duct Cancer), Cholecystitis, Gallbladder Disease, Hernia, and Hernia Surgery.

Robert Fried is a General Surgeon in Cranberry Township, Pennsylvania. Dr. Fried is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Intraductal Papilloma, Lymphadenectomy, and Hernia Surgery.

Athan Georgiades is a General Surgeon in Pittsburgh, Pennsylvania. Dr. Georgiades is rated as a Distinguished provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Hernia, Gallbladder Disease, Gallstones, Hernia Surgery, and Hemorrhoidectomy. Dr. Georgiades is currently accepting new patients.

Adam Slivka, MD, PhD, is a Professor at the University of Pittsburgh School of Medicine and the Associate Chief of Clinical Affairs for the Division of Gastroenterology, Hepatology, and Nutrition at the University of Pittsburgh School of Medicine. Dr. Slivka is rated as a Distinguished provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Chronic Pancreatitis, Hereditary Pancreatitis, Acute Pancreatitis, Endoscopy, and Pancreaticoduodenectomy.

Timothy Jacob is a General Surgeon in Pittsburgh, Pennsylvania. Dr. Jacob is rated as an Advanced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Diastasis Recti, Gallstones, Choledocholithiasis, Hernia Surgery, and Gastrostomy.

Sean Whelan, MD, is certified in general surgery, as well as colon and rectal surgery. He is affiliated with UPMC St. Margaret, the UPMC Outpatient Center on Oxford Drive in Monroeville, and the UPMC Outpatient Center on Clairton Blvd. in West Mifflin. Dr. Whelan is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Hernia, Gallbladder Disease, Gallstones, Hernia Surgery, and Gastrostomy.

Dominick A. Motto, MD, is a board-certified general surgeon and specializes in skin and soft tissue disorders, abdominal wall hernia and cholecystectomy, including robotic techniques, gastrointestinal surgery, colon surgery, and emergency abdominal operations. Dr. Motto received his medical degree from Jefferson Medical College of Thomas Jefferson University in Philadelphia. He completed a residency in general surgery at UPMC Mercy. Dr. Motto is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Hernia, Retroperitoneal Inflammation, Umbilical Hernia, Colostomy, and Gastrostomy.

Joseph Sorg, MD, specializes in general surgery and is board certified in surgery by the American Board of Surgery. He practices at General Surgery, UPMC Passavant-McCandless and is affiliated with UPMC Passavant. Dr. Sorg completed his residency at Allegheny General Hospital and medical education at Drexel University College of Medicine. Dr. Sorg is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Ogilvie Syndrome, Retroperitoneal Inflammation, Gallbladder Disease, Cholecystitis, and Colostomy.

Ravi Janardhanan, 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. Dr. Janardhanan completed his fellowships at Allegheny General Hospital and Upstate Medical University in Syracuse, New York, internal medicine residency at MedStar Franklin Square Medical Center in Baltimore, Maryland, and medical degree at Madras Medical College. He was clinical assistant professor of medicine at Allegheny University of Health Sciences and a teaching faculty member of the Gastrointestinal Fellowship Program at Allegheny General Hospital. Dr. Janardhanan is rated as an Experienced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Hiatal Hernia, Congenital Diaphragmatic Hernia, Hemorrhoids, Gastrectomy, and Endoscopy.

Geoffrey Wilcox is a General Surgeon in Sewickley, Pennsylvania. Dr. Wilcox is rated as an Advanced provider by MediFind in the treatment of Choledocholithiasis. His top areas of expertise are Cholecystitis, Familial Colorectal Cancer, Gallbladder Disease, Gastrectomy, and Pacemaker Implantation.

Julie Corcoran is a General Surgeon in Beaver, Pennsylvania. Dr. Corcoran is rated as a Distinguished provider by MediFind in the treatment of Choledocholithiasis. Her top areas of expertise are Gallstones, Choledocholithiasis, Cellulitis, Hernia Surgery, and Gallbladder Removal.