Karen Kotloff is a Pediatric Infectious Disease specialist and a Pediatrics provider in Baltimore, Maryland. Dr. Kotloff is rated as an Elite provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Diarrhea, Malnutrition, Viral Gastroenteritis, and Parainfluenza. Dr. Kotloff is currently accepting new patients.

Mark Donowitz is a Gastroenterologist in Baltimore, Maryland. Dr. Donowitz is rated as an Elite provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diarrhea, Crohn's Disease, Short Bowel Syndrome, and Small Bowel Bacterial Overgrowth. Dr. Donowitz is currently accepting new patients.

Dr. Kawsar Talaat is an assistant scientist and holds a joint appointment in medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include infectious diseases and international health. Dr. Talaat earned her M.D. from the University of Washington School of Medicine. She completed her residency at the Medical College of Wisconsin and performed a fellowship in infectious diseases at the National Institutes of Health Warren Grant Magnuson Clinical Center. Her research interests include international health, vaccines, avian influenza, pandemic influenza and parasitology. Dr. Talaat is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Diarrhea, Shigellosis, Flu, and E Coli Enteritis.

Dr. Sara Mixter is Assistant Professor of Medicine and Pediatrics at the Johns Hopkins University School of Medicine. Her areas of clinical expertise are internal medicine, pediatrics, and primary care for adults with developmental disabilities and other complex childhood-onset conditions. She is the director of the Hopkins PACT (Pediatric-informed Adult Care and Transition) Clinic. Dr. Mixter is also the medical director of the Pediatric Complex Care Collaborative (PC3) for the Johns Hopkins Children’s Center. Dr. Mixter received her A.B. from Harvard College. She earned her M.D. from Harvard Medical School and M.P.H. from the Harvard School of Public Health. She completed her residency at Johns Hopkins as part of the inaugural group of trainees in the Urban Health Combined Internal Medicine-Pediatrics Residency Program. Her research interests include transitions of care for adolescents with special healthcare needs and education for residents and medical students, especially in primary care and complex care. Dr. Mixter has served as the Assistant Chief of Service for the Longcope firm of the Osler Medical Housestaff Training Program (2015-16), as well as Assistant Program Director for Ambulatory Education (2014-15). Dr. Mixter is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Cerebral Palsy, Gastroparesis, Orbital Cellulitis, and Sickle Cell Disease.

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

Dr. Bull-Henry joins Johns Hopkins as a hospitalist specializing in small bowel imaging, including single balloon enteroscopy, double balloon enteroscopy and wireless video capsule endoscopy. In addition, she has a special interest in small bowel GI bleeding, innovation in medical education and the use of artificial intelligence to attain greater diagnostic efficiencies, to improve patient outcomes and to achieve cost savings. Dr. Bull-Henry is active in her research. She has also published papers, contributed to book chapters and written abstracts on related clinical topics. Dr. Bull-Henry is active in a number of professional societies and currently serves on the Board of Governors and as Chair of the Training Committee for the American College of Gastroenterology. Videos Double Balloon EnteroscopyFAQ with Dr. Bull-Henry. Dr. Bull is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Angiodysplasia of the Colon, Gastroparesis, Painful Swallowing, Endoscopy, and Colonoscopy.

Susrutha Kotwal, MD, is an Assistant Professor at the Johns Hopkins University School of Medicine. He completed his Doctorate of Medicine in 2006 from the University of Rajasthan in India. Dr. Kotwal was trained in Family Medicine at Guthrie/Robert Packer Hospital in Sayre, Pennsylvania. Following residency, he joined the Division of Hospital Medicine in July 2012 and completed a Hospital Medicine Fellowship in 2014. Dr. Kotwal serves as the HOME (Hospitalist Oriented Medical Education) Team Director for the Division of Hospital Medicine. Dr. Kotwal’s research interests and expertise are in Medical Education, Patient Safety, and Clinical Excellence. Dr. Kotwal co¬‐developed a Diagnostic Reasoning Curriculum for Internal Medicine Residents at Johns Hopkins Bayview which he now directs. Dr. Kotwal has been awarded the Scott Wright Research Award in Hospital Medicine and the Hospitalist Teaching Award by the Department of Medicine at Johns Hopkins. Nationally and regionally, Dr. Kotwal has presented his research work on Clinical Excellence at the Society of Hospital Medicine’s conferences. He has a wealth of knowledge in curriculum development and medical education. Dr. Kotwal is a Fellow of the Society of Hospital Medicine. Dr. Kotwal is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Pellagra, Atypical Pneumonia, Osmotic Demyelination Syndrome, Diabetic Hyperglycemic Hyperosmolar Syndrome, and Endoscopy.

Dr. Jerome Gnanaraj is on the faculty at the Johns Hopkins University School of Medicine and is a hospitalist at Johns Hopkins Bayview Medical Center. His area of clinical expertise is internal medicine. He received his M.D. from Madurai Medical College and completed his residency at Yale-New Haven Hospital Saint Raphael Campus. Dr. Gnanaraj is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Pellagra, Osmotic Demyelination Syndrome, Diabetic Hyperglycemic Hyperosmolar Syndrome, Familial Neurocardiogenic Syncope, and Endoscopy.

Gastroenterologist Saowanee Ngamruengphong specializes in the endoscopic diagnosis and management of gastrointestinal malignancies, premalignant and malignant lesions in the gastrointestinal tract (e.g., early gastric cancer, Barrett's esophagus-associated neoplasia), esophageal cancer, colon polyps or early colorectal cancer, and pancreatic and biliary disease. Dr. Ngamruengphong earned a medical degree from Chulalongkorn University and completed residency training at the Texas Tech University Health Sciences Center. She undertook fellowship training in gastroenterology at the Mayo School of Graduate Medical Education and further fellowship training in therapeutic endoscopy at The Johns Hopkins Hospital. Her research interests include endoscopic resection and the management of precancerous or cancerous gastrointestinal lesions. Dr. Ngamruengphong is a member of several professional organizations, including the Thai Medical Council, the American College of Gastroenterology and the American Gastroenterological Association. Videos Endoscopic Submucosal Dissection (ESD) — Eileen’s Story Recent News Articles and Media Coverage A Rare, Stomach-Saving Endoscopic Procedure, Inside Tract (Spring 2021) Case Presentation: ESD-TAMIS, Inside Tract (Spring 2019) Innovative Approaches to Colorectal Surgery Benefit Patients, Surgery (Winter 2019) For Colorectal Polyps: Early Detection and Minimally Invasive Endoscopic Resection, Inside Tract (Winter, 2019) The Cutting Edge of Endoscopic Resection, Inside Tract (Spring, 2017) Stomach Cancer: Know Your Risks & Treatment Options, Johns Hopkins Surgery (4/26/2017). Dr. Ngamruengphong is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.

Dr. Bulat joins Johns Hopkins from Tulane University, where he was director of the neurogastroenterology and motility service and director of the GI training program. He specializes in motility and functional disorders, with an emphasis on gastroparesis. He completed his master’s degree (neuroscience) and doctorate (physiology and pharmacology) in the area of smooth muscle function, as well as motility subspecialty training, at McMaster University. Dr. Bulat is an accomplished researcher and has authored several publications and book chapters in his field of interest. Dr. Bulat is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastroparesis, Gastric Dysmotility, Morning Sickness, Gastrectomy, and Endoscopy.

Graduated with honors from Baylor College of Medicine in 1978, Internship and Residency in Internal Medicine at the University of Alabama Teaching Hospitals (1979 - 1981), Masters of Business Administration from the Johns Hopkins Carey Business School in 2007. Private practice of Internal Medicine in Columbia, SC until joining faculty in the Division of Geriatric Medicine and Gerontology in 1995. Clinical concentration on caring for older adults with complex health needs in the office and hospital settings. Academic concentration on teaching, program development in education and clinical care. Roles in the Division included Fellowship Program Director (2003 - 2006), Clinical Director and Director of Education (2004 - 2008), Interim Director of the Division (2008 - 2009) and Director, Division of Geriatric Medicine and Gerontology. In 2020 became Executive Vice Chair for the Department of Medicine, Johns Hopkins University, and 2021 Director of the Department of Medicine for the Johns Hopkins Bayview Medical Center, both positions he holds currently. Videos Meet Our Expert: Dr. Samuel Christopher Durso Contact for Research Inquiries 5200 Eastern Avenue Mason F Lord Building Baltimore, MD 21224. Dr. Durso is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Acquired Ichthyosis, Dementia, Behcet Disease, and Glucocorticoid-Remediable Aldosteronism.

Raena Hariharan is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Hariharan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Hypertensive Heart Disease, Opioid Induced Constipation, Pediatric Myocarditis, and Renovascular Hypertension.

Roohi Patel is a Gastroenterologist in Baltimore, Maryland. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Viral Gastroenteritis, Diarrhea, and Endoscopy.

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

Anita Sivaraman is a Gastroenterologist in Baltimore, Maryland. Dr. Sivaraman is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Gastrointestinal Bleeding, Colitis, Viral Gastroenteritis, Colonoscopy, and Endoscopy. Dr. Sivaraman is currently accepting new patients.

Thomas Abernathy is a Gastroenterologist in Catonsville, Maryland. Dr. Abernathy is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Lactose Intolerance, Familial Adenomatous Polyposis, Hemorrhoids, Gastrectomy, and Colonoscopy.

Allen Banegura is a Gastroenterologist in Catonsville, Maryland. Dr. Banegura is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Angiodysplasia of the Colon, Esophagitis, Gastrectomy, 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 Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.

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

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