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

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

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

Dr. Nimgaonkar is gastroenterologist and a medical technology researcher at Johns Hopkins University. He is an assistant professor of medicine, a medical director at the Center for Bioengineering Innovation and Design in the JHU Biomedical Engineering department and an adjunct faculty at the JHU Carey Business School. He leads numerous translational technology research projects at Johns Hopkins in the areas of gastrointestinal and metabolic diseases. His particular interest is to investigate the physiology behind various interventions to treat metabolic diseases such as diabetes and obesity and apply various engineering tools to develop novel therapies for these diseases. He has been inventor on many technologies and a recipient of numerous awards including the AGA-Boston Scientific career development technology & innovation award and the CIMIT-Johnson & Johnson Young Clinician award. His work has been supported by grants from both foundational ​and federal (NIH, NSF) agencies. Recent News Articles and Media Coverage AGA - Boston Scientific Career Development Technology & Innovation Award, News Medical (December 5, 2014) Update on AGA - Boston Scientific Career Development Technology & Innovation Award, GI & Hepatology News (April 6, 2015) Pumped, Inside Tract (Winter 2016) Advanced POC Testing Devices Open New Avenues for Diagnostics, GEN Exclusives (November 22, 2016) A Multi-Biomarker Blood Test Clinically-Proven for Early Detection of Col0rectal Cancer PRWeb (May 2, 2017) Genetic Cancer Risk Test for 98 Geners, 24 Hereditary Cancers Bypassing Bypass Surgery, Inside Tract (Spring 2017) Despite Theranos, Real, Capital-Efficient Innovation Exists For Blood Tests, Life Science Leader (June 28, 2018) A Pill to Treat Diabetes, Scientific American (November 21, 2017) GI leader to know: Dr. Ashish Nimgaonkar of Johns Hopkins Medicine, Becker's Healthcare (August 31, 2018) Physician innovator working to bring new tech to patients, thanks to AGA funding, American Gastroenterological Association (April 9, 2019) AGA's featured researcher Dr. Ashish Nimgaonkar, Becker's Healthcare (April 17, 2019) Lab Website Ashish Nimgoankar Lab The Ashish Nimgoankar Lab is interested in translational technology development and image-guided therapies. Dr. Nimgaonkar is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Obesity, Achalasia, Gastrointestinal Bleeding, Endoscopy, and Gastric Bypass.

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 an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

Dr. Li Hua is a hospitalist at Johns Hopkins Howard County Medical Center. Dr. Hua only sees patients who are in the hospital, she does not have outpatient clinic appointments. Dr. Hua is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Sickle Cell Disease, Sepsis, Ogilvie Syndrome, Hip Replacement, and Gastrostomy.

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 Colitis. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.

Ken Hui, M.D., Ph.D. is a gastroenterologist treating a variety of conditions affecting the esophagus, stomach and intestines. Dr. Hui has expertise in the brain-gut connection and related disorders, and he performs a wide range of procedures to treat gastrointestinal problems, including upper endoscopy and colonoscopy. Dr. Hui is an assistant professor of medicine in the Johns Hopkins Division of Gastroenterology and Hepatology. He obtained his medical degree at Yale University in New Haven, Connecticut, and he completed a residency in internal medicine at the Johns Hopkins University School of Medicine. He remained at Johns Hopkins to complete a fellowship in gastroenterology and hepatology. Dr. Hui also has a Ph.D. in computational biology and bioinformatics from Yale, where he studied the genetic risk factors for Crohn’s disease in the Ashkenazi Jewish population. Dr. Hui’s research focuses on computational and functional approaches to study the vagus nerve as a component of the gut-brain axis, as well as its relation to symptoms of gastrointestinal diseases. With his background in genomics, Dr. Hui also studies the link from genetic factors to disorders of the gut-brain axis and gastrointestinal motility. He has published his research findings in numerous peer-reviewed journals and presented at national and international conferences. Dr. Hui is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Gastroparesis, Vagotomy, and Endoscopy.

Dr. Akshintala received his medical degree from the Andhra Medical College in India in 2011. Following this, he completed a post-doctoral research fellowship in Gastroenterology at Johns Hopkins Hospital where he established himself as a dedicated researcher. Dr. Akshintala completed his internship and residency training in Internal Medicine at the University of Pittsburgh Medical Center in 2016. He completed his fellowship in Gastroenterology at Johns Hopkins Hospital in 2019. Dr. Akshintala then completed additional fellowships in Advanced Endoscopy and Medical Pancreatology at the Johns Hopkins Hospital in 2021. As of July 1, 2021, Dr. Akshintala is an Assistant Professor of Medicine in the Division of Gastroenterology at Johns Hopkins Hospital. Dr. Akshintala’s research is focused on the medical as well as endoscopic evaluation and treatment of inflammatory disorders of the pancreas. He is also interested in developing new devices and technologies for the care of patients with gastrointestinal disorders. Dr. Akshintala has conducted multi-national randomized-controlled trials and has won numerous awards at major national and international conferences for his research. He also has authored more than 60 original articles, editorials, book chapters and review articles. Dr. Akshintala has received grant funding from the American Society for Gastrointestinal Endoscopy (ASGE) and the Maryland State to support his research. As an innovator, Dr. Akshintala has patented new therapies for gastrointestinal bleeding and pancreas necrosis, a complication of acute pancreatitis. An internationally recognized researcher conducting multi-national clinical trials, Dr. Akshintala holds an Adjunct Assistant Professor position at the Asian Institute of Gastroenterology in India, one of the largest gastroenterology hospitals in the world. Dr. Akshintala is a Ph.D. candidate with the Dutch Pancreatitis Study Group in the Netherlands, who have been pioneered landmark clinical trials related to pancreatitis. Dr. Akshintala offers in-person clinic visits at the Baltimore location and also provides telemedicine visits for patients located in Maryland, Washington, D.C. and Virginia. Dr. Akshintala is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Endoscopy, and Lithotripsy.

Jonathan Efron is a Colorectal Surgeon in Baltimore, Maryland. Dr. Efron is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Lynch Syndrome, Ileostomy, and Hernia Surgery.

Susan Gearhart is a General Surgeon in Baltimore, Maryland. Dr. Gearhart is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Rectal Prolapse, Colorectal Cancer, Bowel Incontinence, Ileostomy, and Hernia Surgery.

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

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

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

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

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 Colitis. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.

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 Colitis. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Colonoscopy, and Endoscopy.

Mary Harris is a Gastroenterologist in Baltimore, Maryland. Dr. Harris is rated as an Advanced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, and Colitis. Dr. Harris is currently accepting new patients.

Mark Donowitz is a Gastroenterologist in Baltimore, Maryland. Dr. Donowitz is rated as an Advanced provider by MediFind in the treatment of Colitis. 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.

Daniel Barry is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Barry is rated as an Advanced provider by MediFind in the treatment of Colitis. His top areas of expertise are Gastritis, Helicobacter Pylori Infection, Colitis, and Viral Gastroenteritis.