Ryan M. Levy, MD, is a thoracic surgeon at UPMC Hillman Cancer Center. Dr. Levy specializes in minimally invasive esophageal surgery, minimally invasive lung surgery, esophageal cancer, lung cancer, gastric cancer, gastroesophageal reflux disease, paraesophageal hernias, diaphragm hernias, lung nodules/masses, endoscopic management of Barrett's esophagus and esophageal cancer, diseases of the pleura, mediastinal tumors, tracheal disorders, and inflammatory responses to tissue injury. Dr. Levy is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Hiatal Hernia, Hernia, Lung Cancer, Endoscopy, and Gastrostomy.

Alexandra Potock, DO, is board-certified in internal medicine by the National Board of Osteopathic Medical Examiners. Dr. Potock received her medical degree from the West Virginia School of Osteopathic Medicine. She completed her internal medicine residency at UPMC Mercy. Dr. Potock was assistant medical director hospitalist at UPMC Passavant and provided telemedicine services for Emergency Resource Management, Inc. She is a member of the American Osteopathic Association, American Medical Association, and the Society of Hospital Medicine. Dr. Potock’s clinical interests include practicing all aspects of internal medicine, including preventative care.  She enjoys spending time running, biking, traveling, and spending time with her family. Dr. Potock is rated as an Experienced provider by MediFind in Gastrostomy. Her top areas of expertise are ALK-Positive Non-Small Cell Lung Cancer, Gallbladder Disease, Endoscopy, and Hip Replacement.

Dr. Nicholas Mahoney, a Pennsylvania native, and Penn State alumnus, graduated in 2008 from Jefferson Medical College in Philadelphia, where he received an award for the best average in Internal Medicine in medical school. Dr. Mahoney did his Medical Residency training and Gastroenterology Fellowship at the University of Pittsburgh. In 2014, he entered private practice with a large Gastroenterology group in Harrisburg. He is Board Certified in Gastroenterology. He is a well-rounded Gastroenterologist who can diagnose and treat the full spectrum of digestive diseases and is fluent in all endoscopic procedures, such as EGD and Colonoscopy examinations. He is an active member of the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy, and the American Gastroenterology Association. He 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. Dr. Mahoney enjoys spending time traveling with his wife and two young children. His hobbies include hiking, running, and cheering on the local sports teams. Dr. Mahoney is rated as an Experienced provider by MediFind in Gastrostomy. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Colonoscopy.

Michael Cratty is a primary care provider, practicing in Internal Medicine in Sewickley, Pennsylvania. Dr. Cratty is rated as an Experienced provider by MediFind in Gastrostomy. His top areas of expertise are Sepsis, Pneumonia, Hospital-Acquired Pneumonia, Ureteroscopy, and Endoscopy.

Robert Meuser is a General Surgeon and a Vascular Surgeon in Sewickley, Pennsylvania. Dr. Meuser is rated as an Experienced provider by MediFind in Gastrostomy. His top areas of expertise are Necrosis, Cellulitis, Gangrene, Gastrostomy, and Colostomy.

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

Andy Kiser is a General Surgeon and a Thoracic Surgeon in Pittsburgh, Pennsylvania. Dr. Kiser is rated as an Experienced provider by MediFind in Gastrostomy. His top areas of expertise are Aortic Valve Stenosis, Aortic Dissection, Thoracic Aortic Aneurysm, Heart Bypass Surgery, and Aortic Valve Replacement.

Steven B. Chinn, MD, specializes in otolaryngology and is board-certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. He is affiliated with UPMC Mercy, UPMC Shadyside, UPMC Magee-Womens Hospital, UPMC Presbyterian and UPMC East. Dr. Chinn completed his fellowship at the University of Texas, residency at the University of Michigan Medical Center and medical degree at the University of Southern California Keck School of Medicine. Dr. Chinn is rated as an Advanced provider by MediFind in Gastrostomy. His top areas of expertise are Throat Cancer, Laryngeal Cancer, Tongue Cancer, Laryngectomy, and Glossectomy.

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 Gastrostomy. His top areas of expertise are Appendicitis, Esophageal Atresia, Gangrene, Appendectomy, and Gallbladder Removal.

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 Gastrostomy. His top areas of expertise are Hernia, Gallbladder Disease, Gallstones, Hernia Surgery, and Gastrostomy.

Natasha Singh, MD, specializes in hospital medicine and is board-certified in family medicine by the American Board of Family Medicine. She is affiliated with UPMC Passavant. Dr. Singh received her medical degree from American University of Antigua and completed her residency at Eastern Virginia Medical School. Dr. Singh is rated as an Experienced provider by MediFind in Gastrostomy. Her top areas of expertise are Ureteroscopy 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 Gastrostomy. His top areas of expertise are Hernia, Retroperitoneal Inflammation, Umbilical Hernia, Colostomy, and Gastrostomy.

Mark Kubik, MD, is a board-certified Otolaryngologist – Head and Neck Surgeon. He completed his medical school at Baylor College of Medicine and residency at the University of Pittsburgh Medical Center. He then completed additional fellowship training in advanced head and neck oncologic and plastic surgery at the Medical University of South Carolina. Dr. Kubik specializes in head and neck surgery, thyroid disorders, sino nasal disease, and laryngology. He practices at Metropolitan Ear Nose and Throat Associates - UPMC and is affiliated with UPMC Passavant, UPMC East, UPMC Mercy, and UPMC St. Margaret. Dr. Kubik is rated as an Experienced provider by MediFind in Gastrostomy. His top areas of expertise are Throat Cancer, Laryngeal Cancer, Tongue Cancer, Balloon Sinuplasty, and Laryngectomy.

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 Gastrostomy. Her top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Pancreatectomy.

Tadeusz D. Witek, MD, specializes in thoracic surgery and is certified in surgery and thoracic and cardiac surgery by the American Board of Surgery. He practices at University of Pittsburgh Physicians, Department of Thoracic Surgery and is affiliated with UPMC Presbyterian, UPMC McKeesport, UPMC Magee-Womens Hospital, UPMC Mercy, UPMC Passavant, UPMC Shadyside, UPMC East, and UPMC Hamot. He completed his fellowship and residency at the University of Pittsburgh School of Medicine, and medical degree at Geisinger Commonwealth School of Medicine. Are you already a patient of this provider and have a MyUPMC account? Log in to MyUPMC to schedule. Dr. Witek is rated as an Experienced provider by MediFind in Gastrostomy. His top areas of expertise are Pleuropulmonary Blastoma, Hiatal Hernia, Esophageal Perforation, Endoscopy, and Gastrostomy.

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 Gastrostomy. Her top areas of expertise are Melanoma, Pseudomyxoma Peritonei, Colorectal Cancer, Hernia Surgery, and Small Bowel Resection.

Ashim K. Dayalan, MD, specializes and is certified in internal medicine by the American Board of Internal Medicine. He practices at GMA/Dayalan and Associates, Family Medicine and is affiliated with UPMC Passavant. Dr. Dayalan completed his residency at St Francis Medical Center and medical degree at Bangalore Medical College & Research Institute. Dr. Dayalan is rated as an Experienced provider by MediFind in Gastrostomy. His top areas of expertise are Folate Deficiency, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, Hip Replacement, and Pacemaker Implantation.

Paul Lee, MD, specializes in diagnostic radiology and vascular interventional radiology and is board-certified in interventional radiology and diagnostic radiology by the American Board of Radiology. He is affiliated wiht UPMC Horizon, UPMC Shadyside, UPMC Mercy, UPMC Presbyterian, UPMC St. Margaret, UPMC Passavant, UPMC East, UPMC Northwest, UPMC McKeesport, UPMC Bedford, UMPC Altoona, UPMC Magee-Womens Hospital and UPMC Hamot. Dr. Lee received his medical degree from the University of Illinois College of Medicine and completed his residency and fellowship at the University of Pittsburgh School of Medicine. Dr. Lee is rated as an Experienced provider by MediFind in Gastrostomy. His top areas of expertise are Retroperitoneal Fibrosis, Intussusception in Children, Ascites, Liver Embolization, and Gastrostomy.

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

Terence Philbin is a primary care provider, practicing in Internal Medicine in Crafton, Pennsylvania. Dr. Philbin is rated as an Experienced provider by MediFind in Gastrostomy. His top areas of expertise are Short Bowel Syndrome, Small Bowel Bacterial Overgrowth, Malnutrition, Gastrostomy, and Cardiac Ablation.