MediFind found 48 doctor with experience in Diverticular Disease near Lewisburg, PA. Of these, 44 are Experienced and 4 are Advanced.
Geisinger Sunbury
Dr. Hepner is a board-certified physician specializing in internal medicine. His clinical interests include nursing home care, end-of-life care and geriatric care. Dr. Hepner obtained his medical degree from Temple University and completed his residency at Geisinger Medical Center. He is certified by the American Board of Internal Medicine. Dr. Hepner is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Pulmonary Veno-Occlusive Disease, and Parkinson's Disease.
Evangelical Medical Services Organization
Christopher Motto is a General Surgeon and a Bariatric Medicine provider in Lewisburg, Pennsylvania. Dr. Motto is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Colorectal Cancer, Hernia, Gallbladder Disease, Hernia Surgery, and Pacemaker Implantation.
Evangelical Medical Services Organization
Gary Ayers is a General Surgeon and an Undersea and Hyperbaric Medicine provider in Lewisburg, Pennsylvania. Dr. Ayers is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Colorectal Cancer, Gallbladder Disease, Gallstones, Pacemaker Implantation, and Hernia Surgery.
Evangelical Medical Services Organization
Gregory Enders is a Gastroenterologist in Lewisburg, Pennsylvania. Dr. Enders is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Viral Gastroenteritis, Chronic Erosive Gastritis, Colitis, Colonoscopy, and Gastrectomy.
Vladimir Petorak is a Gastroenterologist in Lewisburg, Pennsylvania. Dr. Petorak is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Crohn's Disease, Colorectal Cancer, Familial Colorectal Cancer, Gastrectomy, and Endoscopy.
Evangelical Medical Services Organization
David Talabiska is a Gastroenterologist in Lewisburg, Pennsylvania. Dr. Talabiska is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Adenomatous Polyposis, Esophagitis, Turcot Syndrome, Endoscopy, and Gastrectomy.
Joseph Gallagher is a Gastroenterologist in Lewisburg, Pennsylvania. Dr. Gallagher is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Colonoscopy, and Endoscopy.
Evangelical Medical Services Organization
Joseph Mucciolo is a General Surgeon in Lewisburg, Pennsylvania. Dr. Mucciolo is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Hernia, Umbilical Hernia, Gallbladder Disease, Bladder Reconstruction, and Colostomy.
Evangelical Medical Services Organization
Daria Keyser is a General Surgeon in Lewisburg, Pennsylvania. Dr. Keyser is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Ogilvie Syndrome, Gallbladder Disease, Gallstones, Hernia Surgery, and Pacemaker Implantation.
Geisinger Medical Center - General Surgery
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 Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Crohn's Disease, Ileostomy, and Colostomy.
Geisinger Medical Center - General 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 Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Hernia Surgery, and Ileostomy.
GMC General Diagnostic Radiology
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 Diverticular Disease. His top areas of expertise are Tracheobronchopathia Osteoplastica, CAPOS Syndrome, Subarachnoid Hemorrhage, and Vertigo.
GMC General Surgery
Dr. Hoffman is a board-certified and fellowship-trained general surgeon. She attended the University of Pennsylvania School of Medicine, where she received her medical degree as well as completed her residency. Dr. Hoffman completed her fellowship at Washington University. She is certified by the American Board of Surgery. Dr. Hoffman is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Ogilvie Syndrome, Colorectal Cancer, Lynch Syndrome, Colostomy, and Ureteroscopy.
Geisinger Medical Center - Gastroenterology
Danial Shaikh, MD, is an accomplished interventional gastroenterologist specializing in luminal interventions and advanced therapeutic endoscopy. He completed his medical education at Ziauddin University in Karachi, Pakistan, followed by an internal medicine residency and a gastroenterology fellowship at BronxCare Health System, Icahn School of Medicine at Mount Sinai in New York, where he also served as chief resident and chief fellow.|Dr. Shaikh further honed his skills during an advanced endoscopy fellowship at Moffitt Cancer Center, University of South Florida, and later at the Mayo Clinic in Arizona, where he focused on third space endoscopy. His board certifications include gastroenterology and internal medicine.|Fluent in both English and Urdu, Dr. Shaikh has clinical and research interests primarily in third space endoscopy and gastrointestinal oncology. His dedication to advancing the field of endoscopy through patient care, research and education has established him as a respected figure in his specialty. Dr. Shaikh is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Toxic Megacolon, Saddle Pulmonary Embolism, Ascites, Endoscopy, and Colonoscopy.
Geisinger Medical Center - Gastroenterology
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 Diverticular Disease. His top areas of expertise are Crohn's Disease, Angiodysplasia of the Colon, Swallowing Difficulty, Endoscopy, and Colonoscopy.
GMC Gastroenterology/Nutrition
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 Diverticular Disease. His top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Benign Esophageal Stricture, Lower Esophageal Ring, Endoscopy, and Colonoscopy.
GMC General Diagnostic Radiology
Manoharan Muthuvelu is a Radiologist in Danville, Pennsylvania. Dr. Muthuvelu is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Intestinal Pseudo-Obstruction, Pleurisy, Pleural Effusion, and Emphysema.
GMC General Diagnostic Radiology
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 Diverticular Disease. His top areas of expertise are Lung Nodules, Lymphofollicular Hyperplasia, Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET), Neuroendocrine Tumor, and Gastric Bypass.
Geisinger Medical Center - Gastroenterology
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 Diverticular Disease. Her top areas of expertise are Jaundice, Encopresis, Crohn's Disease, Endoscopy, and Gastrectomy.
GMC General Diagnostic Radiology
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 Diverticular Disease. His top areas of expertise are Lung Nodules, Pleurisy, Pleural Effusion, and Gallbladder Disease.
Last Updated: 01/09/2026










