Harshit S. Khara, MD, is an Interventional Gastroenterologist based at Geisinger Medical Center in Danville, PA.|Dr. Khara is an Associate Professor of Medicine at the Geisinger Commonwealth School of Medicine. He serves as the Director of Endoscopy; System Director of Interventional Endoscopy, Director of Endoscopic and Translational Research; Director of the Clinical Use Evaluation Committee; and System Director of Quality & Innovation. He is also the Research Director and Core faculty for the Gastroenterology Fellowship Program, as well as the Program Director for the Advanced Therapeutic Endoscopy Fellowship Program at the Center for Advanced Therapeutic Endoscopy at Geisinger, participating in the training and mentoring of advanced endoscopy and general gastroenterology fellows. Dr. Khara is also the Director of the National Pancreas Foundation Center at Geisinger.|He is involved in multi-center clinical research and quality improvement projects. Dr. Khara's clinical and research interests are in the field of interventional endoscopic ultrasound, ERCP, Barrett’s esophagus, third space endoscopy, endoscopic treatments for GERD, interventional EndoHepatology, and bariatric interventional endoscopy.|Dr. Khara earned his medical degree from Seth G.S. Medical College & K.E.M. Hospital in India then completed his Internal Medicine Residency at Drexel University College of Medicine-Saint Peter's University Hospital. He completed a Fellowship in Transplant Hepatology at the University of Nebraska Medical Center, a Fellowship in Gastroenterology at Yale University School of Medicine-Norwalk Hospital and a Fellowship in Advanced Therapeutic Endoscopy at Geisinger Medical Center.|Dr. Khara is certified in Gastroenterology by the American Board of Internal Medicine. Dr. Khara is highly rated in 28 conditions, according to our data. His top areas of expertise are Pancreatic Pseudocyst, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Endoscopy, and Gastric Bypass.

David M. Parker, MD, FACS, FASMBS, is a board-certified general surgeon specializing in bariatric surgery for both adolescents and adults. Dr. Parker performs several advanced and specialized surgical procedures, including gastric bypass, biliopancreatic diversion with duodenal switch, revisional bariatric surgery, laparoscopic gastric band (or “lap band”) and gastric sleeve. He also provides care for various conditions affecting the stomach and gastrointestinal (GI) system, including hiatal hernia, paraesophageal hernia, achalasia and acid reflux.|He has a clinical interest in minimally invasive laparoscopic and robotic surgery.|Board-certified in general surgery, Dr. Parker earned his medical degree from West Virginia University in Morgantown. He completed a general surgery residency at the Dwight D. Eisenhower Army Medical Center in Fort Gordon, GA, followed by a fellowship in bariatric and foregut surgery at Geisinger Medical Center in Danville.|While in medical school, he received the Presidential Award for Excellence in Scholarship. During his fellowship, he received the SAGES Award for best fellow presentation.|Dr. Parker serves as program director for the Geisinger bariatric and foregut surgical fellowship. He has a strong commitment to research in bariatric and foregut surgery and has authored more than 24 published articles.|He is an active member of the Society of Gastrointestinal and Endoscopic Surgeons and a fellow of the American College of Surgeons and American Society of Metabolic and Bariatric Surgeons.|Dr. Parker has served in the United States Army and continues to serve as a lieutenant colonel in the United States Army Reserve. He is also a football enthusiast, rooting for the West Virginia Mountaineers in his free time. Dr. Parker is highly rated in 12 conditions, according to our data. His top areas of expertise are Hiatal Hernia, Hernia, Obesity, Gastric Bypass, and Endoscopy.

Anita P. Courcoulas, MD, MPH, FACS, is a minimally invasive general surgeon certified in surgery by the American Board of Surgery. She is a professor of surgery and chief of the Division of Minimally Invasive Bariatric and General Surgery at the University of Pittsburgh School of Medicine. Dr. Courcoulas attended Brown University, where she graduated with honors and completed her medical degree at Boston University School of Medicine, also with honors. She completed her general surgery internship and residency, pediatric surgery post-graduate research fellowship, and minimally invasive surgery post-graduate fellowship training all at the University of Pittsburgh Medical Center. In addition, she obtained a Master of Public Health in Epidemiology from the University of Pittsburgh Graduate School of Public Health during her surgical training program. Dr. Courcoulas specializes in minimal access general surgery, abdominal surgery during pregnancy, and bariatric and metabolic surgery. Her research focuses on surgical outcomes, clinical trials, and emerging technologies in bariatric surgery. Dr. Courcoulas is active within many national surgical and obesity organizations, serves on the editorial boards of leading scientific journals, and has published more than 230 peer-reviewed manuscripts, abstracts, and book chapters. View Dr. Courcoulas' full list of publications from PubMed. Dr. Courcoulas is highly rated in 5 conditions, according to our data. Her top areas of expertise are Obesity, Type 2 Diabetes (T2D), Obesity in Children, Gastric Bypass, and Sleeve Gastrectomy.

Mitchell Roslin is a Bariatric Medicine provider in New York, New York. Dr. Roslin is highly rated in 5 conditions, according to our data. His top areas of expertise are Obesity, Obesity in Children, Abdominal Obesity Metabolic Syndrome, Sleeve Gastrectomy, and Gastric Bypass.

Dr. Ragui Sadek’s career has been one of significant experience and distinction. Dr. Sadek is a premier surgeon in the New York and New Jersey area. A Clinical Assistant Professor of surgery at RWJ Medical School and the Director of bariatric surgery program at RWJ University Hospital, Dr. Sadek has established a state-of-the-art and one of the safest bariatric surgery programs in the state. His program has a complication rate far below the national average, while providing a cutting edge variety of laparoscopic, robotic, and bariatric surgery techniques.Dr. Sadek initiated the Bariatric Surgery program at Robert Wood Johnson University Hospital where, prior to his arrival, weight loss surgery was not performed. He is now the senior most minimally invasive bariatric surgeon. Dr. Sadek assumed a leadership role as the Director of Bariatric Center of excellence at RWJUH and oversees all of the care rendered to the hospital’s bariatric patients, including anesthesia, radiology, floor and preoperative nursing, and myriad of consulting services.Dr. Sadek has completed his residency and an advanced laparoscopic and bariatric surgery fellowship at SIUH. Later, he went on to finish a surgical critical care and trauma fellowship at UMDNJ Newark campus. Dr. Sadek joined a private practice in 2006 and performed a wide variety of advanced laparoscopic and bariatric procedures. More than three thousand advanced surgical procedures later, he has established a strong patient satisfaction rate and a solid reputation among the surgical community. Dr. Sadek is highly rated in 4 conditions, according to our data. His top areas of expertise are Obesity, Obesity in Children, Thrombophlebitis, Sleeve Gastrectomy, and Gastrectomy.

Winfield Butsch is a Bariatric Medicine provider in Cleveland, Ohio. Dr. Butsch is highly rated in 2 conditions, according to our data. His top areas of expertise are Obesity, Obesity in Children, Abdominal Obesity Metabolic Syndrome, Type 2 Diabetes (T2D), and Gastric Bypass.

Lawrence J. Cheskin, MD, FACP, FTOS, is now an adjunct professor of gastroenterology and general internal medicine at the Johns Hopkins School of Medicine. Since 2019, he has also been a professor (and chair from 2019 to 2024) of Nutrition and Food Studies in the College of Public Health at George Mason University in Fairfax, VA. In his research, Dr. Cheskin studies the effectiveness of various lifestyle and dietary changes in weight loss and weight maintenance. He has experience in the design and implementation of controlled clinical trials and laboratory studies of different dietary techniques, as well as individual and community-based interventions, including those targeting underserved residents of inner-city and suburban Baltimore. His background and experience are broad, ranging from basic science work on dopamine genetics to efforts aimed at preventing childhood obesity through systems-focused studies of the effects of policies and the built environment. Most recently, he has been studying health risk factors among young adult college students and the utility of mHealth in positively influencing diet and weight control. He has written approximately 250 peer-reviewed publications and 9 books and is frequently cited in the media on issues related to obesity, nutrition, and dieting. Dr. Cheskin is highly rated in 1 condition, according to our data. His top areas of expertise are Obesity, Malnutrition, Gastroesophageal Reflux Disease (GERD), Liver Embolization, and Endoscopy.

Jeffrey Rosen is a Bariatric Medicine provider in Downers Grove, Illinois. Dr. Rosen is highly rated in 1 condition, according to our data. His top areas of expertise are Obesity, Obesity in Children, Sleeve Gastrectomy, and Endoscopy.

Allen Mikhail is a Bariatric Medicine provider in Downers Grove, Illinois. Dr. Mikhail is highly rated in 1 condition, according to our data. His top areas of expertise are Obesity, Obesity in Children, Sleeve Gastrectomy, and Endoscopy.

Kevin Reavis is a General Surgeon and a Bariatric Medicine provider in Portland, Oregon. Dr. Reavis is highly rated in 14 conditions, according to our data. His top areas of expertise are Hiatal Hernia, Achalasia, Diaphragmatic Hernia, Endoscopy, and Vagotomy. Dr. Reavis is currently accepting new patients.

Kristoffel Dumon is a General Surgeon and a Bariatric Medicine provider in Philadelphia, Pennsylvania. Dr. Dumon is highly rated in 11 conditions, according to our data. His top areas of expertise are Obesity, Hernia, Hiatal Hernia, Sleeve Gastrectomy, and Gastrectomy. Dr. Dumon is currently accepting new patients.

Maria Altieri is a General Surgeon and a Bariatric Medicine provider in Philadelphia, Pennsylvania. Dr. Altieri is highly rated in 10 conditions, according to our data. Her top areas of expertise are Hernia, Obesity, Gallbladder Disease, Gallbladder Removal, and Gastric Bypass. Dr. Altieri is currently accepting new patients.

Daniel Shouhed is a Bariatric Medicine provider in Beverly Hills, California. Dr. Shouhed is highly rated in 4 conditions, according to our data. His top areas of expertise are Median Arcuate Ligament Syndrome (MALS), Gallbladder Disease, Obesity, Endoscopy, and Sleeve Gastrectomy.

Sarah Finn is a Bariatric Medicine provider in Lebanon, New Hampshire. Dr. Finn is highly rated in 2 conditions, according to our data. Her top areas of expertise are Obesity, Obesity in Children, and Type 2 Diabetes (T2D).

Peter Garza is a Bariatric Medicine provider in Summit, Wisconsin. His top areas of expertise are Gallbladder Disease, Obesity, Obesity in Children, Endoscopy, and Hemorrhoidectomy.

Charles Beall is a General Surgeon and a Bariatric Medicine provider in Tyler, Texas. Dr. Beall is highly rated in 22 conditions, according to our data. His top areas of expertise are Gallbladder Disease, Gallstones, Choledocholithiasis, Sleeve Gastrectomy, and Gastrectomy.

Michael Goldberg is a Bariatric Medicine provider in Newark, Delaware. Dr. Goldberg is highly rated in 16 conditions, according to our data. His top areas of expertise are Retroperitoneal Inflammation, Appendicitis, Ogilvie Syndrome, Hernia Surgery, and Sleeve Gastrectomy.

Edward Mavashev is a General Surgeon and a Bariatric Medicine provider in Dearborn, Michigan. Dr. Mavashev has been practicing medicine for over 23 years is highly rated in 16 conditions, according to our data. His top areas of expertise are Hernia, Gallbladder Disease, Gallstones, Gastrostomy, and Gastrectomy. Dr. Mavashev is currently accepting new patients.

Dr. Horsley attended the West Virginia School of Osteopathic Medicine, where he earned his degree in osteopathic medicine. He completed his residency at Geisinger Northeast General Surgery program in Wilkes Barre, Pa. He then continued his surgical training at Geisinger Medical Center in Danville, Pa., where he completed a fellowship in minimally invasive and bariatric surgery.|Dr. Horsley is a board certified in general surgery by the American Osteopathic Board of Surgery. He holds certifications by the American Society for Metabolic and Bariatric Surgery (ASMBS) for metabolic & bariatric surgery and by the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) for advanced GI MIS & bariatrics, and is verified by ASMBS/SAGES for bariatric endoscopy-bariatric endoscopy skill acquisition focused evaluation (BE-SAFE). Dr. Horsley is highly rated in 12 conditions, according to our data. His top areas of expertise are Obesity, Malnutrition, Hiatal Hernia, Gastric Bypass, and Endoscopy.

Andrew Bates is a Bariatric Medicine provider in Bay Shore, New York. Dr. Bates is highly rated in 11 conditions, according to our data. His top areas of expertise are Hernia, Gallbladder Disease, Obesity, Gallbladder Removal, and Gastric Bypass.

Telehealth visits are available.Personalized Attentive CareDr. Toomari prides himself on personalizing his treatment to each and every patient. With a caring and attentive focus, he will listen and examine you to determine the source of your ailment, and work together with you to find the optimal treatment plan for your individual case.Advanced Minimally Invasive Surgery?Dr. Toomari provides care to patients in the San Fernando Valley and Greater Los Angeles area, using the latest State-of-the-Art Technologies. Dr. Toomari is highly rated in 10 conditions, according to our data. His top areas of expertise are Hernia, Femoral Hernia, Gallstones, Hernia Surgery, and Small Bowel Resection.

Daniel Bacal is a General Surgeon and a Bariatric Medicine provider in Dearborn, Michigan. Dr. Bacal has been practicing medicine for over 32 years is highly rated in 10 conditions, according to our data. His top areas of expertise are Hernia, Hiatal Hernia, Cholecystitis, Endoscopy, and Sleeve Gastrectomy. Dr. Bacal is currently accepting new patients.

Anastasia Stevens is a General Surgeon and a Bariatric Medicine provider in Rochester Hills, Michigan. Dr. Stevens has been practicing medicine for over 11 years is highly rated in 10 conditions, according to our data. Her top areas of expertise are Ogilvie Syndrome, Retroperitoneal Inflammation, Familial Colorectal Cancer, Gallbladder Disease, and Hernia Surgery. Dr. Stevens is currently accepting new patients.

David Pechman is a Bariatric Medicine provider in Bay Shore, New York. Dr. Pechman is highly rated in 9 conditions, according to our data. His top areas of expertise are Diastasis Recti, Hernia, Umbilical Hernia, Sleeve Gastrectomy, and Gastrectomy.

Matias Nauts is a General Surgeon and a Bariatric Medicine provider in Lake Charles, Louisiana. Dr. Nauts is highly rated in 8 conditions, according to our data. His top areas of expertise are Hernia, Gallbladder Cancer, Gallbladder Adenocarcinoma, Gastrectomy, and Bladder Reconstruction.