Dr. Lazarev joined Johns Hopkins from the Mount Sinai Medical Center in New York, where he completed the Present-Levison advanced inflammatory bowel disease fellowship. A specialist in the diagnosis and management of Crohn's disease and ulcerative colitis, Dr. Lazarev has published numerous peer-reviewed articles, abstracts and chapters. Dr. Lazarev is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Colonoscopy, and Endoscopy.

Raymond Cross is a Gastroenterologist in Baltimore, Maryland. Dr. Cross is rated as an Elite provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

Geoffrey Nguyen is a Gastroenterologist in Baltimore, Maryland. Dr. Nguyen is rated as an Elite provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Viral Gastroenteritis, Ulcerative Colitis, Hemorrhagic Proctocolitis, Endoscopy, and Colonoscopy.

Dr. Melia specializes in inflammatory bowel disease (IBD), and her clinical expertise includes ulcerative colitis, Crohn’s disease, microscopic colitis, collageneous colitis and Celiac disease. Her primary research interest is improving approaches for individualized care for patients with IBD through functional genomic studies, particularly related to diet, host, and microbiota interactions. She has authored numerous peer-reviewed publications. Dr. Melia is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. Her top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Colitis, Endoscopy, and Colonoscopy.

Dr. Marshall Bedine is an assistant professor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include gastroenterology, inflammatory bowel disease and irritable bowel syndrome. He earned his M.D. from the Boston University School of Medicine. Dr. Bedine is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Crohn's Disease, Hemorrhoids, Attenuated Familial Adenomatous Polyposis, Colonoscopy, and Endoscopy.

David Hutcheon is a Gastroenterologist in Lutherville, Maryland. Dr. Hutcheon is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Gastrointestinal Bleeding, Intestinal Cancer, Angiodysplasia of the Colon, Colonoscopy, and Endoscopy.

Dr. Po-Hung (Victor) Chen is a transplant hepatology and addiction medicine physician. He is jointly appointed by the Division of Gastroenterology and Hepatology and the Division of Addiction Medicine. Dr. Chen's clinical focus is to care for patients with general or transplant-related liver conditions, including alcohol-associated liver disease (ALD), metabolic dysfunction-associated steatotic liver disease (MASLD), viral hepatitis, autoimmune liver diseases, hemochromatosis, and other diagnoses. He directed the creation of a Johns Hopkins Medicine informational webpage on ALD. He is also a frequent consultant for other Johns Hopkins clinicians regarding inquiries about ALD, including biomarker interpretation, acute hepatitis management, and addiction treatment delivery. Dr. Chen is a member of multiple professional medical and public health organizations (see below). He is a Fellow of the American College of Gastroenterology and a Fellow of the American Society of Addiction Medicine. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Hepatitis, Hepatitis C, Alcoholic Cirrhosis, Liver Transplant, and Endoscopy.

George Apostolides is a Colorectal Surgeon in Towson, Maryland. Dr. Apostolides is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Bowel Incontinence, Rectal Prolapse, Encopresis, Ileostomy, and Hernia Surgery.

Sudhir Dutta is a Gastroenterologist in Lutherville, Maryland. Dr. Dutta is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Gastrointestinal Bleeding, Choledocholithiasis, Hiatal Hernia, Colonoscopy, and Gastrectomy.

Maria Oliva is a Pediatric Gastroenterologist in Baltimore, Maryland. Dr. Oliva is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. Her top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Gastrostomy, and Colonoscopy.

Niraj Jani is a Gastroenterologist in Baltimore, Maryland. Dr. Jani is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Acute Pancreatitis, Gastroesophageal Reflux Disease (GERD), Choledocholithiasis, Endoscopy, and Colonoscopy.

Dr. Onwueme graduated with Distinction from Yale University with dual BSc/MSc degrees in chemistry and received MD and PhD degrees from Weill Cornell Medical College. He completed his Internal Medicine residency at Brigham and Women’s Hospital (Clinical Fellow Harvard Medical School) and his Gastroenterology fellowship at Johns Hopkins University School of Medicine. He is currently the Director of clinical trials at Woodholme Gastroenterology and has an ardent interest in the role of microbial metabolites in gut diseases. Dr. Onwueme prizes commitment to quality and compassionate patient care to which he devotes his practice. He has expert knowledge in gut microbiology and a special interest in diarrheal diseases, disordered gut motility, autoimmune and inflammatory bowel disease. Dr. Onwueme is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.

Ernest Tsao is a Gastroenterologist in Baltimore, Maryland. Dr. Tsao is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Hepatitis, Gas Bloat Syndrome, Hepatitis C, Endoscopy, and Gastrectomy.

Eric Blum is a Gastroenterologist in Baltimore, Maryland. Dr. Blum is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Viral Gastroenteritis, Colonoscopy, and Endoscopy.

Steven Epstein is a Gastroenterologist in Baltimore, Maryland. Dr. Epstein is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Familial Adenomatous Polyposis, Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Gastrectomy, and Colonoscopy.

Gary Friedman is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Friedman is rated as a Distinguished provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Ulcerative Colitis, Hemorrhagic Proctocolitis, Diabetic Hyperglycemic Hyperosmolar Syndrome, and Colitis. Dr. Friedman is currently accepting new patients.

Loc Le is a Gastroenterologist in Baltimore, Maryland. Dr. Le is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Barrett Esophagus, Colonoscopy, and Endoscopy.

Dr. Mullin is an associate professor of medicine at The Johns Hopkins University School of Medicine. Dr. Mullin has more than 30 years of clinical experience in the field of general gastroenterology. Dr. Mullin is a reviewer and also serves on the editorial board of numerous gastroenterology journals. Videos Hopkins at Home presents, A Woman's Journey: Is It Celiac Disease?. Dr. Mullin is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Small Bowel Bacterial Overgrowth, Irritable Bowel Syndrome (IBS), Diarrhea, Endoscopy, and Colonoscopy.

Patrick Hyatt is a Gastroenterologist in Lutherville, Maryland. Dr. Hyatt is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. His top areas of expertise are Barrett Esophagus, Gastroesophageal Reflux Disease (GERD), Esophagitis, and Chronic Erosive Gastritis. Dr. Hyatt is currently accepting new patients.

Matilda Hagan is a Gastroenterologist in Lutherville, Maryland. Dr. Hagan is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. Her top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Crohn's Disease, Colonoscopy, and Endoscopy. Dr. Hagan is currently accepting new patients.