Dr. Erwin is a board-certified general surgeon. His clinical interests include breast surgery, general surgery and surgical education. His research interests include surgical education. Dr. Erwin obtained his medical degree from the University of Medicine and Dentistry of New Jersey. He completed his residencies at Morristown Memorial Hospital and Lehigh Valley Hospital and Health Network. Dr. Erwin is certified by the American Board of Surgery. Dr. Erwin is rated as an Advanced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Gallstones, Choledocholithiasis, Gallbladder Disease, Gastrectomy, and Endoscopy.

Dr. Diehl is a board-certified and fellowship-trained gastroenterologist. His clinical interests include endoscopic ultrasound, endoscopic retrograde cholangiopancreatography (ERCP) and innovative advanced therapeutic endoscopy. Dr. Diehl obtained his medical degree from the University of California, Los Angeles. He completed his residency at Harbor-UCLA Medical Center and his fellowships in gastroenterology at the University of California, San Francisco Medical Center and the University of California, Los Angeles Medical Center. Dr. Diehl is certified by the American Board of Internal Medicine. In his free time, Dr. Diehl enjoys spending time with his family and exercising, particularly swimming. He also has an appreciation for old cars. Dr. Diehl is rated as a Distinguished provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Barrett Esophagus, Gallbladder Disease, Watermelon Stomach, Endoscopy, and Gallbladder Removal.

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 rated as a Distinguished provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Pancreatic Pseudocyst, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Endoscopy, and Gastric Bypass.

Dr. Confer is a board-certified and fellowship-trained gastroenterologist. His clinical interests include endoscopic ultrasound and endoscopic retrograde cholangiopancreatography (ERCP). Dr. Confer attended the Lake Erie College of Osteopathic Medicine, where he received his medical degree. He completed his residency, a fellowship in gastroenterology and hepatology, and a fellowship in advanced therapeutic endoscopy at the Cleveland Clinic Foundation. Dr. Confer is certified by the American Board of Internal Medicine in gastroenterology. Dr. Confer is rated as a Distinguished provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Gallbladder Disease, Benign Esophageal Stricture, Cholecystitis, Endoscopy, and Gallbladder Removal.

Annick-Marie Kaufman, MD, is a general surgeon. She performs laparoscopic and open surgeries on adults. She also performs upper and lower endoscopies and ultrasound breast biopsies.|Dr. Kaufman earned her medical degree from Ross University School of Medicine in Barbados. After medical school, she completed a residency at Wright State University Boonshoft School of Medicine in Ohio. She followed that with a fellowship in Mastery in General Surgery at Geisinger Medical Center. Dr. Kaufman is rated as an Experienced provider by MediFind in the treatment of Gallbladder Disease. Her top areas of expertise are Hernia, Esophagitis, Gallstones, Choledocholithiasis, and Endoscopy.

As an interventional cardiologist, Dr. Shikhar Agarwal specializes in treating valvular and structural heart disease in adults.|Dr. Agarwal earned his medical degree from the All India Institute of Medical Sciences in India and completed his residency at the Cleveland Clinic. He also completed fellowships in cardiovascular disease, interventional cardiology and structural intervention at the Cleveland Clinic.|He is experienced in performing a variety of cardiac procedures, including transcatheter aortic valve replacement (TAVR) and mitral valve repair (Mitraclip), as well as the implantation of Watchman devices for the treatment of atrial fibrillation.|Dr. Agarwal currently leads the structural heart disease program at Geisinger Medical Center in Danville. Under his leadership, he has grown the program and improved outcomes for those under his care. He helped lead the construction of a state-of-the-art hybrid operating room, one of the largest of its kind in the country.|Dr. Agarwal has been honored for early-career success by being recognized among the Pennsylvania Medical Society’s (PAMED) Top Physicians Under 40. His dedication to protecting the hearts of everyone he treats led his colleagues to nominate him for this prestigious award.|In addition to performing a variety of complex cardiac procedures, Dr. Agarwal is dedicated to expanding cardiac care to people in rural areas of Pennsylvania. Dr. Agarwal is rated as an Advanced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Aortic Valve Stenosis, Patent Foramen Ovale, Atrial Fibrillation, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Dr. Widom is a board-certified and fellowship-trained general surgeon subspecializing in trauma. His clinical interests include acute care surgery and emergency general surgery. Dr. Widom attended the University of Maryland, where he received his medical degree, and completed his residency at Robert Wood Johnson University Hospital. He completed his fellowship in surgical critical care at the University of Maryland. Dr. Widom is certified by the American Board of Surgery in surgical critical care. Dr. Widom is rated as an Advanced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Chronic Subdural Hematoma, Subdural Hematoma, Delirium, Small Bowel Resection, and Hernia Surgery.

Dr. Torres is the chair of the Geisinger Surgery Institute and is a board-certified and fellowship-trained general surgeon subspecializing in trauma. Her clinical interests include trauma surgery, acute care surgery and surgical critical care. Her research interests include trauma systems and performance improvement. Dr. Torres earned her medical degree at Drexel University. She completed her residency in general surgery at Temple University Hospital, and her fellowship in surgical critical care at the University of Maryland Medical Center. Dr. Torres is certified by the American Board of Surgery in surgical critical care. Dr. Torres is rated as an Advanced provider by MediFind in the treatment of Gallbladder Disease. Her top areas of expertise are Gallbladder Disease, Delirium, Chronic Subdural Hematoma, Gallbladder Removal, and Hernia Surgery.

Matthew Souder, MD, is a board-certified general surgeon. He earned his medical degree from St. George’s University School of Medicine in Grenada. After medical school, he completed a residency in general surgery at PinnacleHealth in Harrisburg.|During his undergraduate training, Dr. Souder completed several research projects on fetal alcohol syndrome and other topics.|He’s a native of Lewisburg. Dr. Souder is rated as an Advanced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Juvenile Angiofibroma, Cellulitis, Gallstones, Choledocholithiasis, and Hernia Surgery.

Kai Wang is a Radiologist in Danville, Pennsylvania. Dr. Wang is rated as an Advanced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Liver Cancer, PEPCK 1 Deficiency, Liver Failure, Endoscopy, and Hepatectomy.

Adam Wallach is a Radiologist and a Neuroradiologist in Danville, Pennsylvania. Dr. Wallach is rated as an Advanced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Tracheobronchopathia Osteoplastica, CAPOS Syndrome, Subarachnoid Hemorrhage, and Vertigo.

Suresh Chamarthi is a Radiologist in Danville, Pennsylvania. Dr. Chamarthi is rated as an Advanced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are WT1-Related Wilms Tumor Syndromes, Metastatic Pleural Tumor, Gallbladder Adenocarcinoma, and Undifferentiated Pleomorphic Sarcoma.

Dr. Jaap is a board-certified general surgeon. She attended Wright State University, where she earned her medical degree. Dr. Jaap completed her residency at Geisinger Medical Center. She is certified by the American Board of Surgery. Dr. Jaap is rated as an Experienced provider by MediFind in the treatment of Gallbladder Disease. Her top areas of expertise are Ogilvie Syndrome, Hernia, Juvenile Angiofibroma, Gallbladder Disease, and Hernia Surgery.

George Wu is a Pediatric Radiologist and a Radiologist in Danville, Pennsylvania. Dr. Wu is rated as an Experienced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Lung Nodules, Pleurisy, Pleural Effusion, and Gallbladder Disease.

Madian Yahya is a General Surgeon in Danville, Pennsylvania. Dr. Yahya is rated as an Experienced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Median Arcuate Ligament Syndrome (MALS), Ogilvie Syndrome, Chronic Subdural Hematoma, Gallbladder Removal, and Hernia Surgery. Dr. Yahya is currently accepting new patients.

Dr. Shellenberger is a board-certified and fellowship-trained gastroenterologist. His clinical interests include postgraduate medical education, esophageal motility and other GI laboratory procedures. Dr. Shellenberger earned his medical degree from the Philadelphia College of Osteopathic Medicine. He completed his residency and his fellowship in gastroenterology at Geisinger Medical Center. Dr. Shellenberger is certified by the American Board of Internal Medicine in internal medicine and gastroenterology. Dr. Shellenberger is rated as an Experienced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Crohn's Disease, Angiodysplasia of the Colon, Swallowing Difficulty, Endoscopy, and Colonoscopy.

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

About Timothy Joseph Murphy. Dr. Murphy is rated as an Experienced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Boils, Folliculitis, Carbuncle, and Thyroid Nodule.

Dr. Foernges is a board-certified and fellowship-trained specialist in trauma critical care. His clinical interests include trauma surgery, gastrointestinal surgery and necrotizing soft tissue infection. Dr. Foernges graduated from Universidade Federal de Ciências da Saúde de Porto Alegre Faculdade de Medicina in Brazil, where he earned his medical degree. He completed his residency at Geisinger Medical Center, and his fellowship at MedStar Washington Hospital Center. Dr. Foernges is certified by the American Board of Surgery in surgical critical care. He speaks English, Portuguese and Spanish. Dr. Foernges is rated as an Experienced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Chronic Subdural Hematoma, Subdural Hematoma, Delirium, Hernia Surgery, and Hip Replacement.

Dr. Collins is a board-certified radiologist. He earned his medical degree from Marshall University, and completed his residency at Geisinger Medical Center. Dr. Collins is certified by the American Board of Radiology. Dr. Collins is rated as an Experienced provider by MediFind in the treatment of Gallbladder Disease. His top areas of expertise are Lung Nodules, Lymphofollicular Hyperplasia, Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET), Neuroendocrine Tumor, and Gastric Bypass.