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.

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.

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.

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.

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.

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 Advanced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.

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.

Daniel Rhee, M.D., M.P.H., joins the Johns Hopkins Department of Surgery as Assistant Professor of Surgery and Director of the Pediatric Surgical Oncology Program. Dr. Rhee’s areas of clinical expertise include pediatric surgical oncology as well as neonatal and general pediatric surgery. Dr. Rhee received his undergraduate degree from the University of Michigan and earned his medical degree from The Ohio State University College of Medicine. He completed his residency in general surgery at St. Joseph Mercy Hospital before completing fellowships at Johns Hopkins Hospital in Pediatric Surgery and Memorial Sloan Kettering Cancer Center in Pediatric Surgical Oncology. Dr. Rhee is a member of several professional societies, including the American College of Surgeons, American Pediatric Surgical Association, the Association of Academic Surgeons, the Children’s Oncology Group, and The International Society of Paediatric Surgical Oncology. Dr. Rhee’s research interests involve childhood tumors including neuroblastoma, sarcoma, Wilms tumor, hepatoblastoma, pancreatoblastoma, reconstruction for chest wall tumors, germ cell tumors, and desmoplastic small round cell tumors. His research interests also include use of 3D printing for simulation for surgical training, improving surgical outcomes in pediatric surgery and improving access to surgical care in low and middle-income countries. Dr. Rhee is rated as an Experienced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Adult Soft Tissue Sarcoma, Appendicitis, Tracheoesophageal Fistula, Appendectomy, and Pancreaticoduodenectomy.

John Baddley is an Infectious Disease provider in Baltimore, Maryland. Dr. Baddley is rated as an Experienced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Cryptococcosis, Shingles, Sepsis, and Febrile Neutropenia.

Dr. Allen Everett is a professor of pediatrics at the Johns Hopkins University School of Medicine. His areas of clinical expertise include general pediatric cardiology. Dr. Everett earned his M.D. from East Tennessee State University. He completed his residency in pediatrics and fellowship in pediatric cardiology at the University of Virginia. Dr. Everett joined the Johns Hopkins faculty in 2003. He has become the program leader at Johns Hopkins in pediatric biomarker discovery, with a particular focus on brain injury, pulmonary hypertension and effects of medical plastics exposure on congenital heart disease outcomes. He is the principal investigator (PI) or co-PI on multiple NIH- funded R01 studies. Dr. Everett also serves as the director of the Pediatric Proteome Center. Dr. Everett is an author of over 140 peer review papers, three book chapters, editor/author of the Illustrated Field Guide to Congenital Heart Disease and Repair, now in its fourth edition, and senior associate editor for the journal, Cardiology in the Young. He is a co-developer of PedCathTM cardiac catheterization software with Scientific Software Solutions which has been translated into five languages, has five US biomarker patents filed and brain injury biomarkers licensed to ImmunArray, Ltd. Dr. Everett is rated as an Experienced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Hypertension, Pulmonary Hypertension, Congenital Heart Disease (CHD), Heart Bypass Surgery, and Heart Transplant.

Dr. Jodi Segal is a professor of medicine at the Johns Hopkins University School of Medicine. She has joint appointments in health policy and management, and epidemiology at the Johns Hopkins Bloomberg School of Public Health. Dr. Segal is internationally recognized as a clinician-investigator in comparative effectiveness research and pharmacoepidemiology. She trains investigators to conduct research to advance Johns Hopkins Medicine as a learning health system. She serves as the associate director of the Center for Health Services and Outcomes Research (CHSOR) and the co-director of the Center for Drug Safety and Effectiveness (CDSE), both in the School of Public Health. Dr. Segal received a B.S. from The Pennsylvania State University. She earned her M.D. from the University of Pittsburgh School of Medicine and her M.P.H. from the Johns Hopkins Bloomberg School of Public Health. She completed her residency at the University of Chicago and a fellowship in general nternal medicine at Johns Hopkins. She is a member of Phi Beta Kappa and Alpha Omega Alpha. Dr. Segal is rated as an Experienced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Giant Papillary Conjunctivitis, Type 2 Diabetes (T2D), Vernal Keratoconjunctivitis, and Allergic Conjunctivitis.

Charlotte Kvasnovsky is a Pediatric Surgeon and a Pediatrics provider in Baltimore, Maryland. Dr. Kvasnovsky is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Viral Gastroenteritis, Appendicitis, Cerebral Hypoxia, Hernia Surgery, and Gastrostomy. Dr. Kvasnovsky is currently accepting new patients.

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

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

Sandra Quezada is a Gastroenterologist in Baltimore, Maryland. Dr. Quezada is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Hiccups, and Ulcerative Colitis. Dr. Quezada is currently accepting new patients.

Mohammed El is a Gastroenterologist in Baltimore, Maryland. Dr. El has been practicing medicine for over 18 years and is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Gastrointestinal Bleeding, Viral Gastroenteritis, Colitis, Endoscopy, and Colonoscopy.

Jean-pierre Raufman is a Gastroenterologist in Baltimore, Maryland. Dr. Raufman is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Bile Acid Malabsorption, Colorectal Cancer, Diarrhea, Liver Transplant, and Colonoscopy.

Kathleen Neuzil is an Infectious Disease provider in Baltimore, Maryland. Dr. Neuzil is rated as an Experienced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Typhoid Fever, Salmonella Enterocolitis, Flu, and COVID-19.

Dr. Kevin Thomas Cesa is a pediatric gastroenterologist seeing patients at Johns Hopkins Children’s Center in Baltimore and Frederick Maryland. Dr. Cesa specializes in the diagnosis and treatment of inflammatory bowel disease and other gastroenterological issues in children. After completing his pediatric residency at the University of Maryland Medical Center in 2019, Dr. Cesa completed a pediatric gastroenterology, hepatology, and nutrition fellowship with UPMC Children's Hospital of Pittsburgh. Dr. Cesa is rated as an Experienced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Viral Gastroenteritis and Delayed Growth.