Anthony Kalloo is a professor of medicine with special interests in natural orifice translumenal endoscopic surgery, therapeutic endoscopy and sphincter of Oddi dysfunction. After receiving his medical degree at the University of the West Indies Medical School, Dr. Kalloo interned at Port of Spain General Hospital in Trinidad and performed his internal medicine residency at Howard University Hospital in Washington, D.C., where he was also chief resident. He completed fellowship training at the combined Georgetown University, Veterans Affairs Medical Center and National Institutes of Health program. Dr. Kalloo was an instructor of medicine at Georgetown University prior to joining the Johns Hopkins faculty in 1988. He was director of the Johns Hopkins Division of Gastroenterology and Hepatology from 2005–2020, and was an associate editor of Gastrointestinal Endoscopy. In 2009, Dr. Kalloo was recognized by the American Society for Gastrointestinal Endoscopy as the Distinguished Educator of the Year. In 2014, he received the Endoscopy Award from the German Society for Endoscopy for outstanding research and contribution in the field of endoscopy. In 2015, he received the BJ Vakil Oration from the Society of Gastrointestinal Endoscopy of India, which is bestowed on an international expert for his contribution to the field of gastrointestinal endoscopy. He has authored over 200 peer-reviewed publications and has more than 100 patents, including the use of botulinum toxin in the gastrointestinal tract, endoscopic cryotherapy and the winged biliary/pancreatic stent, as well as others related to natural orifice surgery. He is the pioneer of natural orifice translumenal endoscopic surgery, a technique that will enable abdominal surgery without the use of incisions. In 2015, he became a member of the inaugural chapter of the National Academy of Inventors at The Johns Hopkins University. This group represents the top 3% of all faculty inventors since 1969, and the top 1.5% of active Johns Hopkins faculty. Dr. Kalloo is a past panel chair for gastroenterology and urology devices with the United States Food and Drug Administration. He aims to advance the understanding, diagnosis, treatment and prevention of gastrointestinal and liver disease through patient care, education and research. Dr. Kalloo is highly rated in 13 conditions, according to our data. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Achalasia, Endoscopy, and Gastrectomy.

Asheesh Sood is a Gastroenterologist in Abingdon, Maryland. Dr. Sood is highly rated in 45 conditions, according to our data. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Swallowing Difficulty, Endoscopy, and Colonoscopy.

Eiad Nasser is a Gastroenterologist in Abingdon, Maryland. Dr. Nasser is highly rated in 37 conditions, according to our data. His top areas of expertise are Heartburn, Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Colonoscopy.

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 highly rated in 11 conditions, according to our data. His top areas of expertise are Small Bowel Bacterial Overgrowth, Diarrhea, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.

Weitong Mu is a Gastroenterologist in Bel Air, Maryland. Dr. Mu is highly rated in 49 conditions, according to our data. His top areas of expertise are Swallowing Difficulty, Painful Swallowing, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Endoscopy.

Peter Park is a Gastroenterologist in Bel Air, Maryland. Dr. Park is highly rated in 42 conditions, according to our data. His top areas of expertise are Diverticular Disease, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Colonoscopy.

Vedapurisan Viswanathan is a Gastroenterologist in Bel Air, Maryland. Dr. Viswanathan is highly rated in 38 conditions, according to our data. His top areas of expertise are Hiatal Hernia, Congenital Diaphragmatic Hernia, Diverticular Disease, Endoscopy, and Colonoscopy.

Oluwasayo Adeyemo is a Gastroenterologist in Abingdon, Maryland. Dr. Adeyemo is highly rated in 23 conditions, according to our data. Her top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Gastroesophageal Reflux Disease (GERD), and Diverticular Disease.

Joseph Lin is a Gastroenterologist in Rosedale, Maryland. Dr. Lin is highly rated in 19 conditions, according to our data. His top areas of expertise are Cronkhite-Canada Disease, Juvenile Polyposis Syndrome, Attenuated Familial Adenomatous Polyposis, and Lactose Intolerance.

Kamal Baig is a Gastroenterologist in Abingdon, Maryland. Dr. Baig has been practicing medicine for over 10 years is highly rated in 17 conditions, according to our data. His top areas of expertise are Trichohepatoenteric Syndrome, Diarrhea, Familial Adenomatous Polyposis, Swallowing Difficulty, and Endoscopy.

Subramanian Srinivas is a Gastroenterologist in Abingdon, Maryland. Dr. Srinivas is highly rated in 9 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Esophagitis, Hepatitis C, Endoscopy, and Gastrectomy.

Anurag Maheshwari is a Gastroenterologist in Nottingham, Maryland. Dr. Maheshwari is highly rated in 23 conditions, according to our data. His top areas of expertise are Hepatitis, Autoimmune Hepatitis, Nonalcoholic Steatohepatitis (NASH), Endoscopy, and Colonoscopy.

Jahangir Khan is a Gastroenterologist in Rosedale, Maryland. Dr. Khan is highly rated in 19 conditions, according to our data. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Gastric Dysmotility, and Attenuated Familial Adenomatous Polyposis.

Hassan Ghoz is a Gastroenterologist in Bel Air, Maryland. Dr. Ghoz is highly rated in 7 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Hepatitis A, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

Moorkath Unni is a Gastroenterologist in Bel Air, Maryland. Dr. Unni is highly rated in 1 condition, according to our data. His top areas of expertise are Hepatitis C, Diverticular Disease, Esophagitis, and Hepatitis.

Zara Manuelyan is a gastroenterologist who treats patients with esophageal disorders, including Barrett’s esophagus, gastroesophageal reflux disease, eosinophilic esophagitis and celiac disease. She also performs colon cancer screening. Dr. Manuelyan has expertise in gastrointestinal motility and neurogastroenterology, with a special interest in achalasia and gastrointestinal scleroderma. After obtaining her medical degree at the American University of the Caribbean School of Medicine, Dr. Manuelyan completed her residency training in internal medicine at Nassau University Medical Center and a fellowship in gastroenterology and hepatology at the University of Texas Medical Branch School of Medicine. During her fellowship training, Dr. Manuelyan received The Don W. Powell Excellence in Scholarship Award and Marcel & Josephine Patterson prize for outstanding research in gastroenterology. She completed additional training in gastrointestinal motility and neurogastroenterology at the Johns Hopkins University School of Medicine. Dr. Manuelyan’s research interests include gastrointestinal bleeding risk assessment in pre- and post-left ventricular assist devices, motility disorders and pertinent testing methodologies. Her research has been published in peer-reviewed journals and presented at national conferences. She is a member of the American Gastroenterological Association and the American College of Gastroenterology. Research Summary gastrointestinal bleeding risk assessment in pre- and post-left ventricular assist devices, motility disorders and pertinent testing methodologies. Her top areas of expertise are Lactose Intolerance, Small Bowel Bacterial Overgrowth, Diarrhea, and Bowel Incontinence.

Albert Fleisher is a Gastroenterologist in Rosedale, Maryland. Dr. Fleisher is highly rated in 22 conditions, according to our data. His top areas of expertise are Stomach Cancer, Esophagitis, Angiodysplasia of the Colon, Colonoscopy, and Endoscopy.

Eduardo Gonzalez is a Gastroenterologist in Nottingham, Maryland. Dr. Gonzalez is highly rated in 8 conditions, according to our data. His top areas of expertise are Autoimmune Hepatitis, Hepatitis, Diarrhea, Colonoscopy, and Endoscopy.

Jose Parungao is a Gastroenterologist in Baltimore, Maryland. Dr. Parungao is highly rated in 3 conditions, according to our data. His top areas of expertise are Lymphocytic Colitis, Spontaneous Bacterial Peritonitis, Chronic Erosive Gastritis, Endoscopy, and Colonoscopy.

Muhammad Yousaf is a Gastroenterologist in Rosedale, Maryland. Dr. Yousaf is highly rated in 3 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Jaundice, Choledocholithiasis, Endoscopy, and Colonoscopy.

Ruben Khan is a Gastroenterologist in Rosedale, Maryland. Dr. Khan is highly rated in 2 conditions, according to our data. His top areas of expertise are Gastric Dysmotility, Gardner Syndrome, Morning Sickness, Turcot Syndrome, and Gastric Bypass.

Lester Bowser is a Gastroenterologist in Baltimore, Maryland. Dr. Bowser is highly rated in 1 condition, according to our data. His top areas of expertise are Chronic Erosive Gastritis, Diverticular Disease, Gastrointestinal Bleeding, Endoscopy, and Colonoscopy.

Ashok Narang is a Gastroenterologist in Bel Air, Maryland.

Nicholas Belitsos is a Gastroenterologist in Baltimore, Maryland. His top area of expertise is Irritable Bowel Syndrome (IBS).

Brendon Bower is a Gastroenterologist in Baltimore, Maryland. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Arteriovenous Malformation, Gallbladder Disease, and Intestinal Cancer.