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 Advanced provider by MediFind in the treatment of Childhood Volvulus. Her top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Gastrectomy, and Endoscopy.

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 Childhood Volvulus. His top areas of expertise are Colitis, Viral Gastroenteritis, Diverticular Disease, Colonoscopy, and Gastrectomy.

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

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

Phelps Lambert is a primary care provider, practicing in Family Medicine in Cranberry Township, Pennsylvania. Dr. Lambert is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Obesity, Hemophilic Arthropathy, Hemophilia A, and Type 2 Diabetes (T2D).

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 Childhood Volvulus. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Tracheitis.

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 the treatment of Childhood Volvulus. His top areas of expertise are Folate Deficiency, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, Hip Replacement, and Pacemaker Implantation.

Charles Gabbert, MD, specializes in gastroenterology and is certified in internal medicine and gastroenterology by the American Board of Internal Medicine. He practices at University of Pittsburgh Physicians, Department of Medicine, Division of Gastroenterology, and is affiliated with UPMC Mercy, UPMC Magee-Womens Hospital, UPMC St Margaret, UPMC Presbyterian, and UPMC Shadyside. He completed his medical degree at Oregon Health and Science University. Dr. Gabbert is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Bile Duct Obstruction, Bile Duct Stricture, Cholestasis, Endoscopy, and Colonoscopy.

Vladimir Lamm, MD, specializes in gastroenterology. He practices at University of Pittsburgh Physicians, Department of Gastroenterology and is affiliated with UPMC Mercy. Dr. Lamm completed his fellowship at Washington University School of Medicine/Barnes Hospital, residency at Emory University School of Medicine, and medical education at University of Pittsburgh School of Medicine. Dr. Lamm is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Intestinal Pseudo-Obstruction, Neurogenic Bowel, Indigestion, Sacral Nerve Stimulation, and Colostomy.

Dr. Richard Kim was born in New York and received his B.S. in biology and psychology at Georgetown University in 1983. He received his medical degree from the Medical College of Virginia in 1987. Dr. Kim completed his residency in Internal Medicine and his specialty training in Gastroenterology and Hepatology at the University of Pittsburgh Medical Center, where he later served as chief Fellow. Following his training, Dr. Kim remained an Assistant Professor of Medicine in the Division of Gastroenterology and Hepatology at the University. During his faculty tenure at the University, Dr. Kim was named the Chief of Endoscopy and later the Associate Chief of the GI section at the University Drive VA Medical Center. Through a grant from the NIH, Dr. Kim completed his Master of Public Health degree in Epidemiology in 1997 from the University of Pittsburgh Graduate School of Public Health. His career has been distinguished by awards for excellence in clinical research by the American Society for Gastrointestinal Endoscopy, American Gastroenterological Association, American College of Gastroenterology, and the Glaxo Institute for Digestive Health. Dr. Kim was President of the Medical Staff at Heritage Valley Health System Sewickley Campus from 2010-2012. Dr. Kim served on the Board of Directors of Heritage Valley Health System from 2012 to 2021. Dr. Kim is a diplomat of the American Board of Internal Medicine, certified in Internal Medicine and Gastroenterology. He is an active member of the American Gastroenterological Association, American College of Gastroenterology, American Society for Gastrointestinal Endoscopy, and the Pennsylvania Medical Society. Dr. Kim specializes in esophageal disorders, gastroesophageal reflux disease, cancer of the GI tract, and Therapeutic Endoscopy, including ERCP. 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. He is a participating physician in Pennsylvania Blue Shield and Medicare. His practice is limited to Gastroenterology. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Familial Adenomatous Polyposis, Crohn's Disease, Ulcerative Colitis, Endoscopy, and Gastrectomy.

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 the treatment of Childhood Volvulus. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Colonoscopy.

Dr. Frank Kim (not to be confused with Dr. Richard Kim, his brother) comes to us from the Cleveland Clinic, where he was Assistant Clinical Professor of Medicine. He was also a Therapeutic Endoscopist with the Ohio Permanente Medical Group in Cleveland, Ohio. Dr. Kim has also held teaching positions at the George Washington University Medical Center and the Washington Hospital Center, where he developed the Flexible Sigmoidoscopy Training Program to instruct medical residents about colon cancer screening.Dr. Kim received his B.A. in 1980 from Johns Hopkins University, where he was elected to Phi Beta Kappa. He earned his M.D. in 1984 at the University of Maryland School of Medicine and his Masters in Business Science at John Hopkins in 1996. He completed a fellowship in gastroenterology in 1989 at the University of Maryland and did post-graduate research in molecular genetics. He has published articles about Helicobacter Pylori infection. Dr. Frank Kim is Board Certified in both Internal Medicine and Gastroenterology. Dr. Kim is active on Heritage Valley Health System Sewickley Campus, Ohio Valley General Hospital, and Three Rivers Endoscopy Center staff. He is a participating physician in Pennsylvania Blue Shield and Medicare. His practice is limited to Gastroenterology. He is a member of the American College of Gastroenterology and the American Gastrointestinal Association. In his leisure time, he enjoys playing volleyball, attending live concerts and live theater, and travel. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Ulcerative Colitis, Gastric Dysmotility, Familial Adenomatous Polyposis, Hemorrhagic Proctocolitis, and Endoscopy.

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 Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Trichohepatoenteric Syndrome, Diarrhea, Familial Adenomatous Polyposis, and Turcot Syndrome.

Dr. Ernest Stanley graduated from Memorial University of Newfoundland, Canada, in 1982. He also attended that university's Medical School, graduating in 1986. A residency in Internal Medicine was then completed at the University of Ottawa. Dr. Stanley obtained his specialty training in Gastroenterology at McMaster University, Hamilton, Ontario - a center known for its research in inflammatory bowel disease. He was Chief Resident at McMaster from 1991-1992 and was awarded local and national scholarships for his research regarding the effects of inflammation in diseases of the intestines. Dr. Stanley is Board-Certified in Internal Medicine and Gastroenterology and distinguished himself in these exams by scoring in the top 2% of candidates nationwide. Recently, Dr. Stanley was recertified by the American Board of Internal Medicine by passing written Internal Medicine and Gastroenterology examinations.Dr. Stanley is a member of the American College of Physicians, the American Medical Association, and the Pennsylvania Medical Society. 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. He is a participating physician in Pennsylvania Blue Shield and Medicare. His practice is limited to Gastroenterology. His special interests are inflammatory bowel disease and therapeutic hepatobiliary endoscopy (ERCP), and he is certified in Advanced Cardiac Life Support. Dr. Stanley resides in Sewickley with his wife and four children. Dr. Stanley is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Familial Adenomatous Polyposis, Endoscopy, and Colonoscopy.

Simon Horslen, MBChB, FRCPCH, is a pediatric hepatologist and transplant physician and is certified in General Pediatrics and Gastroenterology by the Medical Royal Colleges in the United Kingdom. He is director of Pediatric Hepatology at UPMC Children’s Hospital of Pittsburgh and is a professor at the University of Pittsburgh School of Medicine. Dr. Horslen earned his medical degree at the University of Bristol Medical School in England and is a fellow and founding member of the Royal College of Pediatrics and Child Health (UK). He is a fellow of the American Society of Transplantation and of the American Association for the Study of Liver Disease. Dr. Horslen has worked in the United States for the last 23 years, initially at the University of Nebraska Medical Center in Omaha, NE, and subsequently at Seattle Children’s in Seattle, WA as director of Hepatology and medical director of Solid Organ Transplantation. His clinical and research interests include pediatric liver disease, acute liver failure, and liver and intestine transplantation. He has over 150 publications in the areas of pediatric liver disease, intestinal failure, and transplantation and participates in several multicenter studies. Dr. Horslen lives in Edgeworth with his wife, Sarah. He has two adult children who continue to live in the Pacific Northwest. He is an avid soccer fan, likes to play golf when his busy schedule allows, and is a woodturner and particularly enjoys making bowls on his lathe. View the full list of Dr. Horslen’s publications on PubMed. LGBTQIA+ Affirming: This provider has completed training on how to create a safe, comfortable, and welcoming environment for LGBTQIA+ patients. This provider may or may not offer LGBTQIA+ specific medical or surgical care. Please ask when scheduling. Dr. Horslen is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Short Bowel Syndrome, Cholestasis, Progressive Familial Intrahepatic Cholestasis Type 1, Alagille Syndrome, and Liver Transplant.

Harkirat Singh, MD, is a Clinical Assistant Professor at the University of Pittsburgh School of Medicine, and Medical Director of GI Endoscopy at the UPMC Mercy Hospital. Dr.Singh's clinical and research interests include pancreatitis, pancreatic cysts, bile duct strictures, pancreato-biliary endoscopy, gastroenterological malignancies, general gastroenterology and hepatology. In addition to upper endoscopies and colonoscopies, Dr.Singh specializes in advanced endoscopic procedures like endoscopic ultrasound (EUS), endoscopic retrograde cholangiopancreatography (ERCP), endoscopic mucosal resection, and deep enteroscopy. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Colonic Malakoplakia, Bile Duct Stricture, Acute Pancreatitis, Endoscopy, and Gastrectomy.

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 an Experienced provider by MediFind in the treatment of Childhood Volvulus. Her top areas of expertise are Gallstones, Neuroma Biliary Tract, Choledocholithiasis, Lithotripsy, and Endoscopy.

Rohit Das, MD, specializes in gastroenterology and is certified in internal medicine and gastroenterology by the American Board of Internal Medicine. He practices at University of Pittsburgh Physicians, Department of Medicine, Division of Gastroenterology, and is affiliated with UPMC Shadyside, UPMC Mercy, UPMC St Margaret, and UPMC Presbyterian. He completed his residency at Montefiore Medical Center in New York and his medical degree at Yeshiva University, Albert Einstein College of Medicine. Dr. Das is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Familial Pancreatic Cancer, Childhood Pancreatitis, Acute Pancreatitis, Pancreatectomy, and Endoscopy.

Randall Brand, MD, specializes in gastroenterology and is certified by the American Board of Internal Medicine. He practices at University of Pittsburgh Physicians, Department of Medicine, Division of Gastroenterology, and is affiliated with UPMC Magee-Womens Hospital, UPMC Presbyterian, and UPMC Shadyside. He completed his fellowship at University of California at San Francisco and his medical degree at University of Michigan Medical School. Dr. Brand is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Pancreatic Cancer, Chronic Pancreatitis, Hereditary Pancreatitis, Colonoscopy, and Endoscopy.