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

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 an Elite provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Colonoscopy, and Endoscopy.

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

Manish Singla, MD, specializes in gastroenterology and is board-certified by the American Board of Internal Medicine. He practices at UPMC Western Maryland Primary Care. Dr. Singla received his medical degree from George Washington University School of Medicine and Health Sciences and completed his residency at the Naval Medical Center San Diego, followed by a fellowship at National Capital Consortium — Walter Reed National Military Medical Center. Dr. Singla is rated as a Distinguished provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.

Eiad Nasser is a Gastroenterologist in Abingdon, Maryland. Dr. Nasser is rated as a Distinguished provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Heartburn, Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Colonoscopy.

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

A Washington-area native, Dr. Erica R. Cohen is a highly-accomplished physician. She is a trained Inflammatory Bowel Disease specialist which gives her unique expertise in Crohn's disease, ulcerative colitis, microscopic colitis, and refractory c. difficile colitis infection. In addition, she treats a wide range of concerns such as celiac disease, colon cancer screening, and diverticular disease. Dr. Cohen is rated as a Distinguished provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Diverticular Disease, Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, and Endoscopy.

Biju Alex is a Gastroenterologist in Columbia, Maryland. Dr. Alex is rated as a Distinguished provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Colitis, Viral Gastroenteritis, Portal Hypertension, Gastrectomy, and Endoscopy.

Gastroenterologist Mouen Khashab specializes in therapeutic endoscopy, and he oversees this group of practitioners across the Johns Hopkins enterprise. Nationally and internationally known in the field of interventional endoscopy, Dr. Khashab has contributed immensely to the field’s advancement as a minimally invasive means to treat gastrointestinal and pancreaticobiliary disorders. Dr. Khashab earned his medical degree from the American University of Beirut Faculty of Medicine, and subsequently completed a residency in internal medicine and a fellowship in gastroenterology at Indiana University. He then completed a two-year fellowship at The Johns Hopkins Hospital before joining the faculty in 2011. A busy researcher, Dr. Khashab has published more than 600 papers in peer-reviewed journals. In 2013, he described the procedure called gastric peroral endoscopic myotomy (known as G-POEM) and was able to disseminate and teach it all over the world. Other procedures that he expanded include peroral endoscopic myotomy (POEM), peroral endoscopic myotomy with fundoplication (POEM-F), Zenker’s peroral endoscopic myotomy (Z-POEM) and full thickness resection. In 2022, he received the Master Endoscopist Award from the American Society for Gastrointestinal Endoscopy (ASGE) for his numerous contributions to the field. His procedural expertise includes endoscopic retrograde cholangiopancreatography (ERCP), endoscopic ultrasound (EUS), interventional EUS, submucosal endoscopy, POEM/achalasia, endoscopic mucosal resection, endoscopic submucosal dissection, luminal stenting, large polyp resection and Barrett’s therapy, among others. Dr. Khashab is involved with multiple gastrointestinal societies and has served on many committees, including the ASGE Standards of Practice Committee, which is in charge of formulating guidelines for the practice of endoscopy. He has also served as an associate editor for the journal Endoscopy, a premier journal in the field. Khashab is a highly sought-after speaker at national and international conferences, and he has participated in multiple live endoscopy conferences. Outside of academic medicine, Dr. Khashab is an entrepreneur. His major interest is in new technology and medical devices, and his goal is to disrupt the field by introducing technology that makes endoscopic procedures safer, easier, efficient and more scalable. Dr. Khashab is rated as a Distinguished provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

Mark Birns is a Gastroenterologist in Rockville, Maryland. Dr. Birns is rated as a Distinguished provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Hiatal Hernia, Congenital Diaphragmatic Hernia, Viral Gastroenteritis, and Colitis.

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 a Distinguished provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Colitis, Endoscopy, and Colonoscopy.

Joseph Lin is a Gastroenterologist in Rosedale, Maryland. Dr. Lin is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Attenuated Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, and Lactose Intolerance.

Jason Goldstein is a Pediatrics provider in Lutherville, Maryland. Dr. Goldstein is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Croup, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Viral Gastroenteritis. Dr. Goldstein is currently accepting new patients.

Armina Rahman is a Pediatrics provider in Clarksburg, Maryland. Dr. Rahman is rated as an Experienced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Conjunctivitis (Pink Eye), Flu, Croup, and Roseola.

Dr. Rai was awarded the “TOP DOC” in Gastroenterology award by Baltimore Magazine for 2016. Dr. Rai is a Gastroenterologist & Hepatologist, with over 22 years of experience in this field. He is the Medical Director of Gastro Center of Maryland & Cascades Endoscopy Center and has served on the Medical Faculty at Johns Hopkins University School of Medicine for many years, starting in 1997. He has been in many leadership positions in the Johns Hopkins Division of Gastroenterology & Hepatology, including as the Medical Director, Adult Liver Transplantation and Director, Clinical Effectiveness. He completed his Gastroenterology & Hepatology Fellowship at Johns Hopkins University in 1996 and completed an additional year of Advanced Fellowship at Johns Hopkins University in Transplant Hepatology and Biliary Disorders. Dr. Rai is considered a national thought leader and expert in the field of Gastroenterology and Liver disease and presents regularly at national and regional meetings. He has received many awards including Excellence in Clinical Research Award from the American College of Gastroenterology, Passano Clinician Scientist Award from Johns Hopkins University, Industry Research Scholar Award & Astra-Merck Award from the American Digestive Health Foundation, among others. He has published dozens of scholarly articles in peer-reviewed journals and authored many chapters for medical textbooks. He has performed over 50,000 procedures in this field and pioneered new and innovative medical techniques. Dr. Rai is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Crohn's Disease, Gastric Dysmotility, Colitis, Colonoscopy, and Gastrectomy.

An expert in foodborne and intestinal infections, Cynthia Sears is a professor of medicine and oncology at the Johns Hopkins University School of Medicine as well as a professor of molecular microbiology and immunology at the Bloomberg School of Public Health. She is the microbiome program leader of the Bloomberg~Kimmel Institute for Cancer Immunotherapy at Johns Hopkins and is director of the Johns Hopkins Germ-free Murine Facility. She is an infectious diseases expert who has focused on gut infections including diarrhea, foodborne illnesses Clostridium difficile (C. diff) and Helicobacter pylori during her career. In the laboratory and in clinical settings, she has studied the pathogenesis of enterotoxigenic Bacteroides fragilis (ETBF) over the past 25 years. The current focus of the Sears laboratory is to determine how the microbiota and specific bacteria contribute to colon carcinogenesis. The Sears laboratory integrates studies in humans and mouse models, employing microbiology, bioinformatics and immunologic methods. Dr. Sears has worked abroad in Thailand, Brazil, Haiti, Bangladesh and Malaysia. Dr. Sears served as associate editor of Clinical Infectious Diseases from 2000 to 2016. She has been an active member of the Infectious Diseases Society of America (IDSA) for more than 20 years, serving the society in numerous capacities, and is currently president of the organization. Dr. Sears received her medical degree from Thomas Jefferson Medical College followed by training in internal medicine at The New York Hospital (Cornell Medical School) in New York City. She trained in infectious diseases at the Memorial Sloan Kettering Cancer Institute and the University of Virginia. Dr. Sears joined the faculty at the Johns Hopkins University School of Medicine in 1988. Dr. Sears is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Viral Gastroenteritis, Periodontitis, HIV/AIDS, Colonoscopy, and Endoscopy.

Monica Passi is a Hepatologist and a Gastroenterologist in Columbia, Maryland. Dr. Passi is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Gas Bloat Syndrome, Crohn's Disease, Endoscopy, and Colonoscopy. Dr. Passi is currently accepting new patients.

Steven Holland is an Infectious Disease provider in Bethesda, Maryland. Dr. Holland is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Coccidioidomycosis, Mycobacterium Avium Complex Infections, Disseminated Tuberculosis, Common Variable Immune Deficiency, and Endoscopy.

Dr. Pia Prakash is a physician who specializes in both Gastroenterology and Liver Disease. Dr. Prakash received her medical degree from the George Washington University School of Medicine, as well as her Internal Medicine residency and Gastroenterology fellowship. Dr. Prakash has participated in numerous research studies focused on colon cancer, inflammatory bowel disease, women's health, and celiac disease. At the Gastro Center of Maryland, Dr. Prakash treats a variety of gastrointestinal disorders including acid reflux, Crohn's disease, colitis, irritable bowel syndrome, celiac disease, colon cancer, constipation and hemorrhoids along with acute and chronic liver disease. She specializes in the use of the capsule endoscopy, also known as the small bowel pillcam, or PillCam™ SB. She is focused on offering patients personalized treatment goals to meet all of their health care needs. Dr. Prakash is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Chronic Idiopathic Constipation (CIC), Viral Gastroenteritis, Crohn's Disease, Colonoscopy, and Endoscopy.