Reza Shaker is a Gastroenterologist in Milwaukee, Wisconsin. Dr. Shaker is rated as an Elite provider by MediFind in Vagotomy. His top areas of expertise are Cyclic Vomiting Syndrome, Gastroesophageal Reflux Disease (GERD), Swallowing Difficulty, Vagotomy, and Endoscopy.

Chun-mei Zhao practices in Trondheim, Norway. Zhao is rated as an Elite expert by MediFind in Vagotomy. Their top areas of expertise are Stomach Cancer, Obesity, Neuroendocrine Tumor, Vagotomy, and Sleeve Gastrectomy.

Timothy Wang is an Oncologist in New York, New York. Dr. Wang is rated as an Elite provider by MediFind in Vagotomy. His top areas of expertise are Barrett Esophagus, Stomach Cancer, Helicobacter Pylori Infection, Vagotomy, and Endoscopy. Dr. Wang is currently accepting new patients.

Yosuke Kodama practices in Trondheim, Norway. Mr. Kodama is rated as an Elite expert by MediFind in Vagotomy. His top areas of expertise are Stomach Cancer, Peptic Ulcer, Obesity, Vagotomy, and Sleeve Gastrectomy.

Guy Boeckxstaens practices in Leuven, Belgium. Mr. Boeckxstaens is rated as an Elite expert by MediFind in Vagotomy. His top areas of expertise are Achalasia, Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Vagotomy, and Endoscopy.

. Dr. Gwaltney is rated as an Experienced provider by MediFind in Vagotomy. His top areas of expertise are Idiopathic Edema, Carotid Artery Disease, Stasis Dermatitis and Ulcers, Vagotomy, and Endoscopy.

. Dr. Theerathorn is rated as an Experienced provider by MediFind in Vagotomy. His top areas of expertise are Liver Failure, Emphysema, Heart Failure with Preserved Ejection Fraction (HFpEF), Ureteroscopy, and Endoscopy.

Kerri Simo is a General Surgeon in Toledo, Ohio. Dr. Simo is rated as an Advanced provider by MediFind in Vagotomy. Her top areas of expertise are Cholangiocarcinoma (Bile Duct Cancer), Pancreatic Cancer, Familial Pancreatic Cancer, Pancreatectomy, and Hernia Surgery. Dr. Simo is currently accepting new patients.

. Dr. Hodge is rated as an Experienced provider by MediFind in Vagotomy. His top areas of expertise are Hernia, Gallbladder Disease, Cholecystitis, Colostomy, and Gastrostomy.

Jens Holst practices in Copenhagen, Denmark. Mr. Holst is rated as a Distinguished expert by MediFind in Vagotomy. His top areas of expertise are Type 2 Diabetes (T2D), Obesity, Maturity Onset Diabetes of the Young, Gastric Bypass, and Gastrectomy.

Filip Knop practices in Copenhagen, Denmark. Mr. Knop is rated as a Distinguished expert by MediFind in Vagotomy. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Low Blood Sugar, Vagotomy, and Gastric Bypass.

Anthony T. Petrick, MD, FACS, FASMBS, is a board-certified general surgeon specializing in esophageal and bariatric surgery. Dr. Petrick performs a number of advanced and specialized surgical procedures including advanced endoscopy, revisional bariatric surgery, laparoscopic gastric band (or “lap band”), gastric bypass, biliopancreatic diversion with duodenal switch and gastric sleeve. He also treats people for various conditions affecting the stomach and gastrointestinal (GI) system, including hiatal and paraesophageal hernia, achalasia and acid reflux (GERD).|Board-certified in general surgery, Dr. Petrick earned his medical degree from Georgetown University in Washington, D.C. He completed general surgery residency at Georgetown University Medical Center in Washington, D.C. He then completed a fellowships in Surgical Oncology at and Beth Israel Deaconess Medical Center in Boston and in Bariatric and Foregut surgery at the University of Pittsburgh Medical Center.|For the past 18 years, Dr. Petrick served as program director for the Geisinger bariatric and foregut surgical fellowship. He now serves as associate program director, acting as a mentor to bariatric surgery fellows. Dr. Petrick has a strong commitment to research in bariatric and foregut surgery and has authored more than 100 articles. Currently, he serves as chief quality officer for inpatient services at Geisinger and Director of the Division of Bariatric and Foregut surgery.|Dr. Petrick 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. He chairs to Data and Quality Committee for the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program and also serves as an editorial board member for the journal Surgical and Obesity-Related Diseases and a columnist for Bariatric Times.|In his free time, Dr. Petrick serves on the board of education at St. Joseph School in Danville. He also coaches the Susquehanna Valley Stampede varsity and junior varsity ice hockey teams.|Clinical Focus: Bariatric Surgery|If you’re a provider who’d like to refer a patient, call our 24/7 referral line at 800-332-8901 or visit www.emr-link.com. Dr. Petrick is rated as a Distinguished provider by MediFind in Vagotomy. His top areas of expertise are Obesity, Hiatal Hernia, Hernia, Gastric Bypass, and Endoscopy.

Tina Vilsboll practices in Herlev, Denmark. Ms. Vilsboll is rated as a Distinguished expert by MediFind in Vagotomy. Her top areas of expertise are Type 2 Diabetes (T2D), Low Blood Sugar, Maturity Onset Diabetes of the Young, Gastric Bypass, and Vagotomy.

Dr. Billy is the leading Lap-Band, laparoscopic gastric bypass and laparoscopic gastric sleeve surgeon in Ventura and Santa Barbara County. Dr. Billy relocated his practice to Ventura in July of 2002. Prior to that he had established himself as one of the premier laparoscopic surgeons in the Sacramento and Sierra Nevada region of Northern California. Dr. Billy was instrumental in developing the bariatric surgery centers at Sutter General Hospital and Sutter Roseville Medical Centers. He is currently director of Bariatric Surgery at St. John's Regional Medical Center, a recognized bariatric Center of Excellence by the Surgery Review Committee, Medicare, Blue Cross, Blue Shield and Health Net. St. Johns Regional Medical Center is located in Oxnard California. Dr. Billy also serves as the Medical Director of the Community Memorial Hospital, a Surgical Review Corporation accredited Bariatric Center of Excellence, located in Ventura, California. Dr. Billy obtained his undergraduate degree in Molecular Biology at the University of California, Berkeley. He subsequently received his medical degree at the University of California, Davis School of Medicine. Dr. Billy received additional training in the techniques of the Lap-Band system prior to its release by the FDA in 2001. He is actively involved as a teaching faculty member for placement of the Lap-Band® system and has educated and proctored dozens of surgeons throughout the west as part of their educational training. Dr. Billy has been a faculty member at numerous national educational events and surgeon training workshops. He has been a featured speaker at the annual meeting of the American Society of Metabolic and Bariatric Surgery and was a contributing author on the recently released SAGES Bariatric Surgery Manual published by the Society of American Gastrointestinal and Endoscopic Surgeons. Dr. Billy has an international reputation and has lectured and taught principles of bariatric surgery in Mexico, Taiwan and India.Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals.In May 2022 Dr. Billy was elected to the American Society for Metabolic and Bariatric Surgery Council, the largest and most prestigious National Society for metabolic and bariatric surgery.The executive council consists of 8 ASMBS members who represent the leadership of the National Society.The vision of the society is to improve public health and well being by lessening the burden of the disease of obesity and related diseases throughout the world. Dr. Billy is rated as a Distinguished provider by MediFind in Vagotomy. His top areas of expertise are Obesity, Malabsorption, Hiatal Hernia, Gastrectomy, and Sleeve Gastrectomy.

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 rated as an Advanced provider by MediFind in Vagotomy. His top areas of expertise are Hiatal Hernia, Hernia, Obesity, Gastric Bypass, and Endoscopy.

Dr. Andrew Harper is a highly experienced and dedicated General Surgeon providingcomprehensive surgical care to his community. A long-standing medical professional, he iscommitted to prioritizing patient care and fostering meaningful interactions with those heserves.Dr. Harper brings decades of expertise to his practice, specializing in both minimallyinvasive and open surgical procedures. His extensive surgical services include treatment forgallbladder diseases, gastrointestinal diseases, appendicitis, and colon diseases. He alsoexpertly manages breast disorders, thyroid and parathyroid disorders, and all types ofhernias. Dr. Harper earned his medical degree from Emory University School of Medicine in1985, following his undergraduate studies at the Georgia Institute of Technology, where hegraduated with a Bachelor of Chemical Engineering in 1981. He completed his rigorousGeneral Surgery Residency at the Medical University of South Carolina in 1990.Prior to establishing his practice, Dr. Harper proudly served in the U.S. Army Reservefrom 1987 to 1996, including active duty during the Persian Gulf War from August 1990 toMay 1991. He has been a fixture in the medical community at Rockdale Hospital inConyers, GA, serving patients there from 1990 to 2025. Dr. Harper's philosophy is simpleyet profound: patient care always comes first, driven by the most rewarding aspect of hiswork – the direct interactions he shares with his patients.Outside of his professional commitments, Dr. Harper cherishes spending quality timewith his family, especially his grandchildren. He is also passionate about caring for his petsand other animals on his property, finds solace and satisfaction working on his tractor,enjoys riding motorcycles, and is an avid supporter of Georgia Tech football. Dr. Harper is rated as an Advanced provider by MediFind in Vagotomy. His top areas of expertise are Gallbladder Disease, Gallstones, Choledocholithiasis, Vagotomy, and Hernia Surgery.

I strive to offer my patients the best medical care possible. Dr. Hayashi is rated as an Advanced provider by MediFind in Vagotomy. His top areas of expertise are Paget Disease of the Breast, Inflammatory Breast Cancer, Familial Pancreatic Cancer, Carotid Artery Surgery, and Vagotomy.

Edward Borrazzo is a General Surgeon in Burlington, Vermont. Dr. Borrazzo is rated as an Experienced provider by MediFind in Vagotomy. His top areas of expertise are Hernia, Hiatal Hernia, Congenital Diaphragmatic Hernia, Vagotomy, and Endoscopy. Dr. Borrazzo is currently accepting new patients.

Ezra Teitelbaum is a General Surgeon in Milwaukee, Wisconsin. Dr. Teitelbaum is rated as an Experienced provider by MediFind in Vagotomy. His top areas of expertise are Hiatal Hernia, Gastroparesis, Hernia, Endoscopy, and Vagotomy. Dr. Teitelbaum is currently accepting new patients.

Farah Husain is a General Surgeon in Portland, Oregon. Dr. Husain is rated as an Experienced provider by MediFind in Vagotomy. Her top areas of expertise are Obesity, Obesity in Children, Gastroesophageal Reflux Disease (GERD), Sleeve Gastrectomy, and Gastrectomy. Dr. Husain is currently accepting new patients.