The 20 Best Gastric Bypass Doctors near Columbia, MD

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 Elite provider by MediFind in Gastric Bypass. He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses Achalasia, Pancreatic Pseudocyst, Bile Duct Obstruction, Endoscopy, and Gastric Bypass. Dr. Khashab is board certified in American Board Of Internal Medicine.

"Michael Schweitzer, M.D., developed the laparoscopic bariatric surgery programs at the Medical College of Virginia (one of the first ten laparoscopic gastric bypass programs in the country), Georgetown University, Sinai Hospital of Baltimore and the Johns Hopkins University. Dr. Schweitzer was the first surgeon in the mid-Atlantic area to perform laparoscopic Roux-en-Y gastric bypass and the first in Maryland to perform laparoscopic adjustable gastric band surgery and laparoscopic duodenal switch with biliopancreatic diversion. Currently chair of the membership committee for the American Society of Bariatric Surgeons, Dr. Schweitzer also serves as a site inspector for the American College of Surgeons Bariatric Center of Excellence Program. He serves on three editorial boards: the Journal of Laparoendoscopic and Advanced Surgical Techniques, Surgery for Obesity and Related Diseases the official journal of the American Society of Bariatric Surgeons) and Bariatric Times. Dr. Schweitzer was the first to ever publish a technique for endoscopic stoma reduction using transoral endoscopic suturing. A great deal of attention is focused on the future of transoral surgery to avoid abdominal incisions for routine surgery (""No-Scar Surgery""). Dr. Schweitzer is one of the first to apply this technology to bariatric patients. A writer of numerous papers, chapters and review articles on bariatric surgery, several of Dr. Schweitzer''s laparoscopic bariatric surgical techniques have been featured in the American College of Surgeons Cine Video Series. He is considered an international expert on venous thromboembolic complications after bariatric surgery and has one of the lowest complication rates documented in world surgical literature. Dr. Schweitzer currently has an extremely active laparoscopic bariatric practice that includes laparoscopic Roux-en-Y gastric bypass, laparoscopic adjustable gastric band, laparoscopic sleeve gastrectomy, laparoscopic duodenal switch with biliopancreatic diversion, and revision of previous surgery. The team at the Johns Hopkins Center for Bariatric Surgery has successfully completed over 2500 bariatric procedures.". Dr. Schweitzer is rated as an Elite provider by MediFind in Gastric Bypass. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Obesity, Hernia, Gastroesophageal Reflux Disease (GERD), Gastric Bypass, and Gastrectomy. Dr. Schweitzer is board certified in American Board Of Surgery.

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 a Distinguished provider by MediFind in Gastric Bypass. She is also highly rated in 41 other conditions, according to our data. Her clinical expertise encompasses Achalasia, Stomach Cancer, Pancreatic Pseudocyst, Endoscopy, and Gastric Bypass. Dr. Ngamruengphong is board certified in American Board Of Internal Medicine.

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 a Distinguished provider by MediFind in Gastric Bypass. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hernia, Obesity, Gallstones, Gastric Bypass, and Gastrectomy. Dr. Magnuson is board certified in American Board Of Surgery.

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 Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Low Blood Sugar, Osteoporosis, Malnutrition, Gastric Bypass, and Gastrostomy.

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 Gastric Bypass. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Hernia, Hiatal Hernia, Gastroparesis, Gastrectomy, and Gastric Bypass. Dr. Adrales is board certified in American Board Of Surgery.

Vikesh Singh is a gastroenterologist who specializes in pancreatology and pancreaticobiliary endoscopy. He evaluates and treats patients with inflammatory diseases of the pancreas, including acute and chronic pancreatitis and autoimmune pancreatitis as well as the complications of these diseases. After earning his medical degree from the Johns Hopkins University School of Medicine, Dr. Singh remained at Johns Hopkins to complete residency training in internal medicine. He pursued fellowship training in gastroenterology at Brigham and Women’s Hospital, and earned a master’s degree in epidemiology from the Harvard T. H. Chan School of Public Health. He then returned to Johns Hopkins, where he completed a two-year advanced endoscopy fellowship with a focus on pancreaticobiliary endoscopy. Dr. Singh has been on the faculty at Johns Hopkins since 2008, and rose to the rank of professor in 2021. His research interests include acute and chronic pancreatitis, autoimmune pancreatitis, exocrine pancreatic insufficiency, and novel methods to evaluate and treat abdominal pain. Dr. Singh is a member of the board of directors of the National Pancreas Foundation, chair of the Pancreatic Disorders Section of the American Gastroenterological Association, a councilor for the International Association of Pancreatology and a member of the inaugural medical advisory board for the Familial Chylomicronemia Syndrome Foundation. Dr. Singh is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Exocrine Pancreatic Insufficiency, Hereditary Pancreatitis, Acute Pancreatitis, Pancreatectomy, and Endoscopy. Dr. Singh is board certified in American Board Of Internal Medicine.

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 rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hereditary Pancreatitis, Acute Pancreatitis, Achalasia, Endoscopy, and Gastrectomy. Dr. Kalloo is board certified in American Board Of Internal Medicine.

Dr. Ankit B. Shah is President of Sports & Performance Cardiology in Chevy Chase, MD. Dr. Shah earned his B.A. from Boston College with a degree in Economics and his M.D. and M.P.H. from Tufts University School of Medicine. He completed his training in internal medicine at Cedars-Sinai Medical Center, fellowship in cardiovascular disease at Lenox Hill Hospital, and fellowship in sports cardiology at the Massachusetts General Hospital. He is an Assistant Professor at Georgetown University School of Medicine and team cardiologist for USA Swimming. He routinely is a faculty member at the American College of Cardiology’s (ACC) annual sports cardiology conference “Care of the Athletic Heart,” is on the ACC Sports & Exercise Leadership Council and on the editorial board for ACC.org. He has served as team cardiologist / cardiologist consultant for teams in the NFL, NBA, NHL, MLB, MLS, and WNBA. LinkedIn https://www.linkedin.com/company/sports-performance-cardiology/. Dr. Shah is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Cardiomyopathy, Wolff-Parkinson-White Syndrome, Heart Attack, Cardiac Diverticulum, and Gastric Bypass. Dr. Shah is board certified in American Board Of Internal Medicine, Certification Board Of Nuclear Cardiology, and National Board Of Echocardiography.

Kimberley Steele is a General Surgeon practicing medicine in Baltimore, Maryland. Dr. Steele is rated as a Distinguished provider by MediFind in Gastric Bypass. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Obesity, Hernia, Malnutrition, Gastric Bypass, and Sleeve Gastrectomy.

Clare Lee is an Endocrinologist practicing medicine in Baltimore, Maryland. Dr. Lee is rated as an Advanced provider by MediFind in Gastric Bypass. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Obesity, Low Blood Sugar, Type 2 Diabetes (T2D), Gastric Bypass, and Sleeve Gastrectomy.

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 Gastric Bypass. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Obesity, Achalasia, Gastrointestinal Bleeding, Endoscopy, and Gastric Bypass. Dr. Nimgaonkar is board certified in American Board Of Internal Medicine.

Dr. Michael Boyle is an Adjunct Professor of Medicine at the Johns Hopkins University School of Medicine, and President and CEO of the U.S. Cystic Fibrosis Foundation. His areas of expertise include adult cystic fibrosis care and research. Dr. Boyle founded and directed the Johns Hopkins Adult Cystic Fibrosis Program from 1999 to 2015 at the Johns Hopkins Cystic Fibrosis Center. Dr. Boyle completed all of his medical training at Johns Hopkins including fellowship in pulmonary and critical care medicine before joining the Johns Hopkins faculty in 1999. He is internationally known both for his clinical research in CFTR modulators and for his work to improve care for adults with cystic fibrosis. While at Johns Hopkins he has received numerous honors including the American Lung Association’s George Comstock Career Achievement Award, American Federation of Clinical Research Achievement Award, “Patient’s Choice Award”, “Best Full-Time Faculty Teacher”, and “Best Doctors in America”. Dr. Boyle is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Gastric Bypass, and Coronary Artery Bypass Graft (CABG).

Hugo Bonatti is an Intensive Care Medicine provider practicing medicine in Hagerstown, Maryland. Dr. Bonatti is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Malnutrition, Hernia, Rectal Prolapse, Appendectomy, and Gastrectomy.

Dr. Maruthur has a primary care practice at the Levine Group Internal Medicine Practice at Johns Hopkins Green Spring Station. In addition to seeing patients for one-half day per week, Dr. Maruthur conducts clinical research in diabetes with an emphasis on prevention. She is especially interested in community-based approaches to improving diabetes outcomes and individualized medicine, the tailoring of preventive and treatment strategies based on an individual's biology and preferences. Dr. Maruthur also directs the JHU General Internal Medicine Fellowship. This provider is registered with the Florida Department of Health to perform telehealth services for patients in Florida. Dr. Maruthur is rated as an Experienced provider by MediFind in Gastric Bypass. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Low Blood Sugar, Obesity, and Gastric Bypass. Dr. Maruthur is board certified in American Board Of Internal Medicine.

Rexford Ahima is an Endocrinologist practicing medicine in Baltimore, Maryland. Dr. Ahima is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Obesity, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Sleeve Gastrectomy, and Gastric Bypass.

Dr. Brian Matlaga is a Professor of Urology at Johns Hopkins University School of Medicine and also is the Director of the Stephens Center for Stone Disease as well as the Executive Vice Chair of the James Buchanan Brady Urological Institute. Dr. Matlaga is an internationally recognized expert in the medical and surgical management of patients with urinary stone disease. A frequent contributor to the medical press, with over 180 peer-reviewed publications, Dr. Matlaga’s research has received national and international awards. Dr. Matlaga sits on numerous editorial boards as well as advisory committees and guidelines panels for the American Urological Association, the American Board of Urology, the Endourological Society, and the National Institutes of Health, amongst others. Dr. Matlaga serves as Executive Medical Director of Clinical Affairs for Johns Hopkins Medicine International, the arm of Johns Hopkins Medicine that manages its global presence. In this capacity, he delivers clinical care as well as project leadership across the globe. Dr. Matlaga is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Kidney Stones, Bladder Stones, Boils, Ureteroscopy, and Lithotripsy. Dr. Matlaga is board certified in American Board Of Urology.

Alba Azola, M.D., is a rehabilitation physician helping patients restore function and movement after an injury or illness. Her expertise includes neurorehabilitation and rehabilitation for swallowing disorders. Dr. Azola completed her residency in physical medicine and rehabilitation at the Johns Hopkins Department of Physical Medicine and Rehabilitation, where in her final year she was awarded the Frank L. Coulson, Jr. Award for Clinical Excellence. Prior to the residency, she was a post-doctoral fellow at the Swallowing Neurophysiology Laboratory at Johns Hopkins. Dr. Azola received her medical degree from the Ponce School of Medicine in Puerto Rico, where she grew up. After the devastating hurricane Maria in 2017, she returned to her homeland to help with hurricane relief. Dr. Azola is rated as an Experienced provider by MediFind in Gastric Bypass. Her clinical expertise encompasses Guillain-Barre Syndrome, Miller-Fisher Syndrome, Stroke, Endoscopy, and Gastric Bypass. Dr. Azola is board certified in American Board Of Physical Medicine And Rehabilitation.

Charlisa Gibson is an Intensive Care Medicine provider practicing medicine in Glen Burnie, Maryland. Dr. Gibson is rated as an Experienced provider by MediFind in Gastric Bypass. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Pneumonia, Pulmonary Fibrosis, Obstructive Sleep Apnea, Gastric Bypass, and Gastrostomy.

Gezzer Ortega is a General Surgeon practicing medicine in Rockville, Maryland. Dr. Ortega is rated as an Experienced provider by MediFind in Gastric Bypass. His clinical expertise encompasses Obesity, Hernia, Umbilical Hernia, Gallbladder Removal, and Splenectomy.