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 Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Jaundice, Choledocholithiasis, Gastrointestinal Bleeding, Endoscopy, and Colonoscopy.

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 Gallstones. 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 Gallstones. His top areas of expertise are Watermelon Stomach, Angiodysplasia of the Colon, Turcot Syndrome, Endoscopy, and Gastrectomy.

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 Experienced provider by MediFind in the treatment of Gallstones. Her top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Pancreatectomy.

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 Gallstones. 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 Gallstones. His top areas of expertise are Diverticular Disease, Chronic Erosive Gastritis, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

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 Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Appendicitis, Esophageal Atresia, Gangrene, Appendectomy, and Gallbladder Removal.

Jessica Buriak is a primary care provider, practicing in Internal Medicine in Cranberry Township, Pennsylvania. Dr. Buriak is rated as an Experienced provider by MediFind in the treatment of Gallstones. Her top areas of expertise are Multiple Carboxylase Deficiency, Folate Deficiency, Vitamin B12 Deficiency Anemia, and Subacute Combined Degeneration.

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 Gallstones. 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 Gallstones. 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 Gallstones. 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 Gallstones. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Intraductal Papilloma, Lymphadenectomy, and Hernia Surgery.

Ahmad Wardeh is a primary care provider, practicing in Internal Medicine in Cranberry Township, Pennsylvania. Dr. Wardeh is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Esophagitis, Type 2 Diabetes (T2D), Peripheral Artery Disease, Endoscopy, and Colonoscopy.

Michael Mcguire is a primary care provider, practicing in Family Medicine in Cranberry Township, Pennsylvania. Dr. Mcguire is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Bronchitis, Osteomyelitis in Children, Obesity, and Type 2 Diabetes (T2D).

Ryan Minnich is a primary care provider, practicing in Family Medicine in Cranberry Township, Pennsylvania. Dr. Minnich is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

Phillip Tobash is a primary care provider, practicing in Family Medicine in Cranberry Township, Pennsylvania. Dr. Tobash is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Tracheitis.

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

Amy Hosmer, MD, is a gastroenterologist certified in Internal Medicine and Gastroenterology by the American Board of Internal Medicine. She is a Clinical Associate Professor of Medicine at the University of Pittsburgh School of Medicine. She practices at University of Pittsburgh Physicians, Department of Medicine, Division of Gastroenterology, and is affiliated with UPMC Shadyside, UPMC Presbyterian, and UPMC Mercy. She completed her Internal Medicine Residency, Gastroenterology Fellowship, and Advanced Therapeutic Endoscopy Fellowship at the University of Michigan Health System in Ann Arbor, MI. Dr. Hosmer is rated as a Distinguished provider by MediFind in the treatment of Gallstones. Her top areas of expertise are Gallstones, Neuroma Biliary Tract, Choledocholithiasis, Lithotripsy, and Endoscopy.

Syed Hyder, MD, is an internal medicine physician and certified in internal medicine by the American Board of Internal Medicine. Dr. Hyder received his medical degree from the llama Iqbal Medical College, completed his residency at the Polyclinic Medical Center, and his fellowship at UPMC Montefiore. Dr. Hyder's clinical interests are in geriatric medicine and he enjoys practicing in Mars, Pa. In his free time, he enjoys hiking and biking local trails, and traveling. He speaks two languages, English, and Arabic, and three dialectics which includes his native dialect, Punjabi. He also can read in five languages. Dr. Hyder is rated as an Experienced provider by MediFind in the treatment of Gallstones. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Diabetic Hyperglycemic Hyperosmolar Syndrome.

Barbara Bence is a primary care provider, practicing in Family Medicine in Cranberry Township, Pennsylvania. Dr. Bence is rated as an Experienced provider by MediFind in the treatment of Gallstones. Her top areas of expertise are Infant Hyperglycemia, Gitelman Syndrome, Lung Metastases, Colonoscopy, and Ureteroscopy.