Dr. Still is a board-certified and fellowship-trained specialist in nutrition and weight management. His clinical and research interests include malnutrition and comprehensive weight management. Dr. Still obtained his medical degree from the Philadelphia College of Osteopathic Medicine. He completed his residency and a fellowship in clinical nutrition at Geisinger Medical Center. Dr. Still is certified by the American Board of Internal Medicine.|Are weight loss medications right for you? Learn more from Dr. Still. Dr. Still is rated as an Elite provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Malnutrition, Small Bowel Bacterial Overgrowth, Gastric Bypass, and Vagotomy.

Noel Williams is a General Surgeon in Philadelphia, Pennsylvania. Dr. Williams is rated as an Elite provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Hernia, Obesity in Children, Sleeve Gastrectomy, and Gastrectomy.

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 rated as an Elite provider by MediFind in the treatment of Obesity. Her top areas of expertise are Obesity, Short Bowel Syndrome, Malnutrition, Gastric Bypass, and Gastrectomy.

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 an Elite provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Hiatal Hernia, Hernia, Gastric Bypass, and Endoscopy.

Kristoffel Dumon is a General Surgeon and a Bariatric Medicine provider in Philadelphia, Pennsylvania. Dr. Dumon is rated as an Elite provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Hernia, Hiatal Hernia, Sleeve Gastrectomy, and Gastrectomy. Dr. Dumon is currently accepting new patients.

. Dr. Soans is rated as a Distinguished provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Obesity in Children, 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 a Distinguished provider by MediFind in the treatment of Obesity. His top areas of expertise are Hiatal Hernia, Hernia, Obesity, Gastric Bypass, and Endoscopy.

Sophia Michailidis is a Bariatric Medicine provider in Allentown, Pennsylvania. Dr. Michailidis is rated as a Distinguished provider by MediFind in the treatment of Obesity. Her top areas of expertise are Obesity, Obesity in Children, Vitamin D Deficiency, and Hypertension.

Philosophy of care | My philosophy is to treat patients as I would want to be treated. | Why I entered medicine | I had a strong interest in science as a child and always knew I wanted to be a surgeon. | Personal interests | I am a triathlete, marathon runner and competitive cyclist. Dr. Boorse is rated as a Distinguished provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Hernia, Malnutrition, Endoscopy, and Sleeve Gastrectomy.

. Dr. Ferenchick is rated as an Advanced provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Obesity in Children, Type B Insulin Resistance Syndrome, and Abdominal Obesity Metabolic Syndrome.

. Dr. Hechtman is rated as an Advanced provider by MediFind in the treatment of Obesity. His top areas of expertise are Protein Deficiency, Malnutrition, Obesity, Sleeve Gastrectomy, and Gastrectomy.

. Dr. Flores is rated as an Advanced provider by MediFind in the treatment of Obesity. Her top areas of expertise are Obesity in Children, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

. Dr. Freeman is rated as an Advanced provider by MediFind in the treatment of Obesity. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Low Blood Sugar, and Graves Disease.

. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Obesity. Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, High Cholesterol, and Glucocorticoid-Remediable Aldosteronism.

. Dr. Chavin is rated as an Advanced provider by MediFind in the treatment of Obesity. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Chronic Antibody-Mediated Rejection, Obesity, Kidney Transplant, and Liver Transplant.

. Dr. Braun is rated as an Advanced provider by MediFind in the treatment of Obesity. Her top areas of expertise are Non-Hodgkin Lymphoma, Lung Cancer, Familial Hypertension, and Hypertension.

Naji Alamuddin is an Endocrinologist in Philadelphia, Pennsylvania. Dr. Alamuddin is rated as a Distinguished provider by MediFind in the treatment of Obesity. His top areas of expertise are Obesity, Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Sleeve Gastrectomy, and Gastric Bypass.

Anastassia Amaro is a Bariatric Medicine specialist and an Endocrinologist in Philadelphia, Pennsylvania. Dr. Amaro is rated as a Distinguished provider by MediFind in the treatment of Obesity. Her top areas of expertise are Obesity, Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Obesity in Children, and Gastrostomy. Dr. Amaro is currently accepting new patients.

Maria Altieri is a General Surgeon and a Bariatric Medicine provider in Philadelphia, Pennsylvania. Dr. Altieri is rated as a Distinguished provider by MediFind in the treatment of Obesity. Her top areas of expertise are Hernia, Obesity, Gallbladder Disease, Gallbladder Removal, and Gastric Bypass. Dr. Altieri is currently accepting new patients.

. Dr. Doghramji is rated as an Advanced provider by MediFind in the treatment of Obesity. His top areas of expertise are Insomnia, Gout, High Cholesterol, and Obesity.