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 Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Crohn's Disease, Angiodysplasia of the Colon, Swallowing Difficulty, Endoscopy, and Colonoscopy.

Dr. Yuasa is a board-certified and fellowship-trained gastroenterologist. His clinical interests include general gastroenterology and inflammatory bowel disease. Dr. Yuasa earned his medical degree from Rutgers, the State University of New Jersey. He completed his residency at Temple University Hospital and his fellowship in gastroenterology at Memorial Sloan-Kettering Cancer Center. Dr. Yuasa is certified by the American Board of Internal Medicine in gastroenterology. Dr. Yuasa is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Esophagitis, Ulcerative Colitis, Crohn's Disease, Endoscopy, and Colonoscopy.

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 an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Barrett Esophagus, Gallbladder Disease, Watermelon Stomach, Endoscopy, and Gallbladder Removal.

Amitpal Singh Johal, MD, is a board-certified and fellowship-trained gastroenterologist, also known as a GI doctor. He has a special interest in endoscopic ultrasound, a minimally invasive procedure used to evaluate and diagnose digestive diseases.|Dr. Johal earned his medical degree from the Medical College of Wisconsin. He completed his residency in internal medicine at University Hospitals Case Medical Center in Cleveland and his fellowship in gastroenterology at Geisinger Medical Center.|Dr. Johal is certified by the American Board of Internal Medicine in gastroenterology. Dr. Johal is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Benign Esophageal Stricture, Lower Esophageal Ring, Endoscopy, and Colonoscopy.

Rouenne Seeley, DO, is a board-certified and fellowship-trained gastroenterologist, also known as a GI doctor.|Dr. Seeley earned her medical degree from the Philadelphia College of Osteopathic Medicine. She completed her residency in internal medicine and her fellowship in gastroenterology at Rowan University in New Jersey. She speaks both English and Tagalog.|Dr. Seeley is certified by the American Osteopathic Board of Internal Medicine. Dr. Seeley is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. Her top areas of expertise are Familial Adenomatous Polyposis, Esophagitis, Barrett Esophagus, Endoscopy, and Colonoscopy.

Jessica McKee, DO, is a board-certified gastroenterologist, also known as a GI doctor. She is certified by the American Board of Internal Medicine in internal medicine and gastroenterology.|Dr. McKee earned her medical degree from the West Virginia School of Osteopathic Medicine. She completed her residency in internal medicine at the Milton S. Hershey Medical Center and her fellowship in gastroenterology at Geisinger Medical Center, where she was chief gastroenterology fellow. Dr. Mckee is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. Her top areas of expertise are Encopresis, Bowel Incontinence, Crohn's Disease, Endoscopy, and Gastrectomy.

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 an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Gallbladder Disease, Benign Esophageal Stricture, Cholecystitis, Endoscopy, and Gallbladder Removal.

Sara Fang-Jone West, DO, is a board-certified gastroenterologist, also known as a GI doctor. She is certified by the American Board of Internal Medicine in gastroenterology.|Dr. West earned her medical degree from Midwestern University, Chicago College of Osteopathic Medicine. She completed her residency in internal medicine and her fellowship in gastroenterology at Geisinger Medical Center. Dr. West is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. Her top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Familial Adenomatous Polyposis, Viral Gastroenteritis, Colitis, and Endoscopy.

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 an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Pancreatic Pseudocyst, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Endoscopy, and Gastric Bypass.

Dr. Long is a board-certified and fellowship-trained colorectal surgeon. He obtained his medical degree from Virginia Commonwealth University and completed his residency at the same institute. Dr. Long completed his fellowship in colon and rectal surgery at Swedish Colon and Rectal Clinic. He is certified by the American Board of Colon and Rectal Surgery and the American Board of Surgery. Dr. Long is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Crohn's Disease, Ileostomy, and Hernia Surgery.

As director of colorectal surgery, Chris Buzas, DO, specializes in treating patients with colon, rectal and anal cancers as well as inflammatory bowel disease (including Crohn’s disease and ulcerative colitis). He also provides care for people with diverticulitis, various rectal conditions, hemorrhoids and pelvic floor disorders.|He has clinical expertise in complex re-operative colorectal surgeries as well as robotic, laparoscopic and open procedures. His advanced training includes trans-anal excisions, neurostimulation for fecal incontinence and colonoscopies.|Dr. Buzas is passionate about making a difference in his patients’ lives. “The thing I love most about my job is the ability to work alongside a great team dedicated to solving problems,” he says. “I enjoy seeing our patients out in the community, knowing we were able to help improve their quality of life.”|Dr. Buzas has a strong commitment to giving back to his community and improving access to care. He previously served as president of the Keystone Chapter of the American College of Surgeons as well as on the Board of Trustees for the Pennsylvania Medical Society. Dr. Buzas has also helped standardize rectal cancer care throughout the country as part of the National Accreditation Program for Rectal Cancer.|Dr. Buzas received the Teacher of the Year Award from the surgical residents at Geisinger Medical Center. He was also recognized by the Pennsylvania Medical Society as one of their Top Physicians Under 40.|When not at work, Dr. Buzas enjoys spending time with his wife and three children at their lakeside cabin in northern Pennsylvania.|Video: more from Dr. Christopher Buzas, D.O. Dr. Buzas is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Hernia Surgery, and Colostomy.

Harini Rathinamanickam is a Transplant Surgeon and a Gastroenterologist in Danville, Pennsylvania. Dr. Rathinamanickam is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. Her top areas of expertise are Visceromegaly, Non-Alcoholic Fatty Liver Disease, Ascites, Endoscopy, and Colonoscopy. Dr. Rathinamanickam is currently accepting new patients.

Masoud Firouzi is a Gastroenterologist in Danville, Pennsylvania. Dr. Firouzi is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Crohn's Disease, and Turcot Syndrome.

Nina Ahuja is a Gastroenterologist in Danville, Pennsylvania. Dr. Ahuja is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. Her top areas of expertise are Jaundice, Hepatitis, Visceromegaly, Vitrectomy, and Cataract Removal.

Robert Smith is a Gastroenterologist in Danville, Pennsylvania. Dr. Smith has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Hepatitis, Hepatitis C, Alcoholic Cirrhosis, and Endoscopy.

Michael Komar is a Gastroenterologist in Danville, Pennsylvania. Dr. Komar is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Viral Gastroenteritis, Colitis, Crohn's Disease, Colonoscopy, and Endoscopy.

Dr. Akhtar is a board-certified and fellowship-trained gastroenterologist. His clinical interests include general gastroenterology and endoscopic retrograde cholangiopancreatography (ERCP). Dr. Akhtar attended Patna Medical College, where he received his medical degree, and completed his residency at East Carolina University. He also completed a residency and a fellowship in gastroenterology at Rutgers, the State University of New Jersey in Camden, N.J. Dr. Akhtar is certified by the American Board of Internal Medicine in gastroenterology. Dr. Akhtar is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Familial Adenomatous Polyposis, Esophagitis, Turcot Syndrome, Hemorrhoidectomy, and Colonoscopy.

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 Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Gallstones, Choledocholithiasis, Gallbladder Disease, Gastrectomy, and Endoscopy.

John Widger is a General Surgeon in Bloomsburg, Pennsylvania. Dr. Widger is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Angiosarcoma, Breast Cancer, Paget Disease of the Breast, Intraductal Papilloma, and Gastrectomy.

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 Familial Adenomatous Polyposis. Her top areas of expertise are Hernia, Esophagitis, Gallstones, Choledocholithiasis, and Endoscopy.