Mark Kligman is a Bariatric Medicine provider in Baltimore, Maryland. Dr. Kligman is rated as a Distinguished provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Obesity, Obesity in Children, Short Bowel Syndrome, Sleeve Gastrectomy, and Gastrectomy.

Gina Adrales, M.D., M.P.H., joins the Johns Hopkins Department of Surgery as Director of the Division of Minimally Invasive Surgery, Director of the Minimally Invasive Surgery Training and Innovation Center, and Co-Director of the Johns Hopkins Bariatric Surgery Fellowship. Her areas of clinical expertise include gastroesophageal reflux disease (GERD), gallbladder disease, achalasia, splenectomy (spleen removal), benign gastric and intestinal surgery, bariatric surgery, and open and laparoscopic hernia repair (inguinal, ventral, incisional, umbilical, hiatal, paraesophageal). Dr. Adrales has been named an associate member of the American College of Surgeons' Academy of Master Surgeon Educators. Awardees are recognized for having devoted their careers to surgical education and are considered premier leaders in their respective fields. Prior to joining Johns Hopkins, Dr. Adrales was on faculty at Dartmouth where she directed the Surgery Clerkship, the Hernia Surgery Center, and the Bariatric Surgery Program. During her tenure at Dartmouth, she earned her Masters of Public Health at The Dartmouth Institute for Health Policy and Clinical Practice. She received her undergraduate degree from the College of William and Mary and her medical degree from the University of Virginia. She completed her residency at the Carolinas Medical Center and a research and clinical fellowship in minimally invasive surgery at the University of Kentucky before her first faculty appointment at the Medical College of Georgia. A national leader in hernia surgery, Dr. Adrales serves on the Executive Council of the Americas Hernia Society and previously served on the Executive Council of the Americas Hernia Society Quality Collaborative to improve the safety and quality of hernia surgery. She is actively involved in a number of committees for the Society of American Gastrointestinal and Endoscopic Surgeons including various roles in surgical education, the development of the Fundamentals of Endoscopic Surgery and an innovative interactive hernia surgery education module. Dr. Adrales’ research interests include health services research, clinical outcomes and quality improvement in minimally invasive foregut surgery, bariatric and metabolic surgery, and abdominal wall reconstruction. She has presented her work regionally, nationally, and internationally. Dr. Adrales is rated as an Advanced provider by MediFind in Sleeve Gastrectomy. Her top areas of expertise are Hernia, Hiatal Hernia, Gastroparesis, Gastrectomy, and Sleeve Gastrectomy.

Todd T. Brown, MD, PhD is a clinical investigator who focuses on body composition, metabolic, and skeletal abnormalities observed in people with HIV, particularly as related to aging. Through translational investigation, epidemiologic studies, and clinical trials, he has been interested in understanding the pathogenesis of glucose disorders, fat changes, hormonal dysregulation, and osteoporosis in people with HIV, the consequences of these conditions (eg cardiovascular disease, frailty), and their optimal evaluation and management. Dr. Brown is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Low Blood Sugar, Osteoporosis, Malnutrition, Gastric Bypass, and Gastrostomy.

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 Advanced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

Jeanne Clark is a Radiologist in Baltimore, Maryland. Dr. Clark is rated as an Advanced provider by MediFind in Sleeve Gastrectomy. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis (NASH), Menopause, Gastric Bypass, and Sleeve Gastrectomy.

Rexford Ahima is an Endocrinologist in Baltimore, Maryland. Dr. Ahima is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Obesity, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Sleeve Gastrectomy, and Gastric Bypass.

Kimberley Steele is a General Surgeon in Baltimore, Maryland. Dr. Steele is rated as an Advanced provider by MediFind in Sleeve Gastrectomy. Her top areas of expertise are Obesity, Hernia, Malnutrition, Gastric Bypass, and Sleeve Gastrectomy.

Young Kim is a Radiologist in Baltimore, Maryland. Dr. Kim is rated as an Advanced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are T-Cell Lymphoma, Varicose Veins, Nonalcoholic Steatohepatitis (NASH), Small Bowel Resection, and Sleeve Gastrectomy.

Dr. Magnuson specializes in gastrointestinal surgery, including surgeries of the stomach, gallbladder, pancreas and bowel. He has a special interest in bariatric surgery and established the Johns Hopkins Center for Bariatric Surgery in 1997. In 2006, the program was recognized as a Center of Excellence by the American Society for Bariatric Surgery. Dr. Magnuson completed his specialty training in gastrointestinal surgery at The Johns Hopkins Hospital, where he also completed a fellowship investigating issues related to gallstone pathogenesis and biliary tract disease. He is also a member of the Johns Hopkins Comprehensive Hernia Center. He is currently Chair of the Department of Surgery and Chief of General Surgery at Johns Hopkins Bayview Medical Center, and Vice Chair of Surgery at Johns Hopkins. Dr. Magnuson is rated as an Advanced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Hernia, Obesity, Gallstones, Gastric Bypass, and Gastrectomy.

Christopher You is a General Surgeon in Rosedale, Maryland. Dr. You is rated as a Distinguished provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Hernia, Obesity, Obesity in Children, Sleeve Gastrectomy, and Gastrectomy. Dr. You is currently accepting new patients.

Kuldeep Singh is a Bariatric Medicine provider in Baltimore, Maryland. Dr. Singh is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Obesity, Obesity in Children, Gastroesophageal Reflux Disease (GERD), Sleeve Gastrectomy, and Gastrectomy.

Hugo Bonatti is a General Surgeon and a Surgical Oncologist in Baltimore, Maryland. Dr. Bonatti is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Malnutrition, Hernia, Rectal Prolapse, Appendectomy, and Gallbladder Removal. Dr. Bonatti is currently accepting new patients.

Rebecca Schwartz is a General Surgeon in Baltimore, Maryland. Dr. Schwartz has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. Her top areas of expertise are Retroperitoneal Inflammation and Sleeve Gastrectomy. Dr. Schwartz is currently accepting new patients.

Gregory Prokopowicz is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Prokopowicz is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Sleeve Gastrectomy, and Gastric Bypass.

Saleh Alqahtani is a Gastroenterologist in Baltimore, Maryland. Dr. Alqahtani is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Obesity, Hepatitis, Liver Transplant, and Hepato-Pancreato-Biliary Surgery. Dr. Alqahtani is currently accepting new patients.

Ronit Patnaik is a General Surgeon and a Transplant Surgeon in Baltimore, Maryland. Dr. Patnaik is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Anorectal Abscess, Necrosis, Traumatic Brain Injury, Pancreaticoduodenectomy, and Liver Transplant.

Dr. Sudipa Sarkar is an assistant professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include endocrinology. She received her M.D. from Yale School of Medicine. She completed her residency in internal medicine at Yale-New Haven Hospital and performed a fellowship in endocrinology, diabetes and metabolism at Vanderbilt University Medical Center. Dr. Sarkar joined the Johns Hopkins faculty in 2017. Dr. Sarkar is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. Her top areas of expertise are Type 2 Diabetes (T2D), Diabetic Retinopathy, Maturity Onset Diabetes of the Young, Diabetic Neuropathy, and Sleeve Gastrectomy.

Ashraf Haddad is a General Surgeon in Baltimore, Maryland. Dr. Haddad is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Obesity, Malnutrition, Gastroesophageal Reflux Disease (GERD), Gastric Bypass, and Gastrectomy.

Hien T. Nguyen, M.D., FACS, is an assistant professor of surgery at The Johns Hopkins University School of Medicine. After completing an undergraduate education at University of California, Davis, Dr. Nguyen earned his medical degree at University of California, Davis School of Medicine. He completed training in general surgery at University of California, San Francisco East Bay, followed by a fellowship in advanced laparoscopic and bariatric surgery at The Johns Hopkins University School of Medicine. Dr. Nguyen is an expert in single-incision surgery, robotic surgery and laparoscopic bariatric surgery (which includes Roux-en-Y gastric bypass, adjustable gastric bands, sleeve gastrectomy and duodenal switch). He was instrumental in helping to establish the single-incision approach for laparoscopic surgery at The Johns Hopkins Medical Institutions. Dr. Nguyen also specializes in the repair of complex hernias and abdominal wall reconstruction, utilizing minimally invasive and advance techniques. He also works with students and residents in surgical education and biomedical engineering. Dr. Nguyen currently is an active member of many academic organizations, including the American Society for Metabolic and Bariatric Surgery, the Society for Surgery of the Alimentary Tract, the Society of American Gastrointestinal and Endoscopic Surgeons, the American Hernia Society and the American College of Surgeons. His research interests include clinical outcomes in hernia surgery, critical care medicine, bariatric surgery and metabolic syndrome. Dr. Nguyen is rated as an Experienced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Hernia, Umbilical Hernia, Obesity, Sleeve Gastrectomy, and Gastrectomy.

Timothee Friesen is a General Surgeon in Baltimore, Maryland. Dr. Friesen is rated as an Advanced provider by MediFind in Sleeve Gastrectomy. His top areas of expertise are Obesity, Obesity in Children, Food Allergy, Sleeve Gastrectomy, and Gastrectomy. Dr. Friesen is currently accepting new patients.