Ray Douglas is a primary care provider, practicing in Family Medicine in Milton, Pennsylvania. Dr. Douglas is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Small Lymphocytic Lymphoma (SLL), Colorectal Cancer, Chronic Lymphocytic Leukemia (CLL), and Chronic B-Cell Leukemia (CBCL).

Gregory Enders is a Gastroenterologist in Lewisburg, Pennsylvania. Dr. Enders is rated as an Advanced provider by MediFind in the treatment of Colitis. 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 Advanced provider by MediFind in the treatment of Colitis. His top areas of expertise are Crohn's Disease, Colorectal Cancer, Familial Colorectal Cancer, Gastrectomy, and Endoscopy.

Joseph Gallagher is a Gastroenterologist in Lewisburg, Pennsylvania. Dr. Gallagher is rated as an Advanced provider by MediFind in the treatment of Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Colonoscopy, and Endoscopy.

David Talabiska is a Gastroenterologist in Lewisburg, Pennsylvania. Dr. Talabiska is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Esophagitis, Turcot Syndrome, Endoscopy, and Gastrectomy.

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 Colitis. 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 Advanced provider by MediFind in the treatment of Colitis. His top areas of expertise are Esophagitis, Ulcerative Colitis, Crohn's Disease, Endoscopy, and Colonoscopy.

Conor Mulcahy, DO, is an internal medicine physician. He cares for adults with a range of chronic and acute conditions. “I enjoy being a ‘Jack of all trades’ but have a particular interest in optimizing lifestyle to help patients live healthier lives,” he says.|Dr. Mulcahy earned his medical degree from Lake Erie College of Osteopathic Medicine in Erie. After medical school, he completed a residency at Geisinger Medical Center, where he was resident of the year.|“I love the longitudinal relationships I get to have with patients,” he notes. “I also have a passion for teaching.”|In his spare time, Dr. Mulcahy enjoys ultimate Frisbee and hiking. Dr. Mulcahy is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Obesity, High Cholesterol, Hypertension, and Familial Hypertension.

Mark Lentz, MD, is an internal medicine physician who provides comprehensive care for adults. He’s passionate about supporting his patients’ long-term health and well-being through preventive care, chronic illness management and timely treatment of new or acute conditions — large or small.|With decades of experience, Dr. Lentz has developed deep clinical expertise in managing a wide range of adult health concerns, particularly chronic conditions such as arthritis, diabetes and heart disease. He also has a special interest in helping patients manage restless legs syndrome.|Originally from Indiana, Pennsylvania, Dr. Lentz earned his medical degree from Thomas Jefferson University and completed his residency at Allegheny General Hospital. He is a Fellow of the American College of Physicians, a recognition of his dedication to delivering the highest standard of care.|Dr. Lentz is known for his thoughtful, patient-first approach and his genuine desire to make a meaningful difference in the lives of those he serves. Dr. Lentz is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Anaplastic Thyroid Cancer, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Glutaric Acidemia Type 2.

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 Colitis. Her top areas of expertise are Encopresis, Bowel Incontinence, Crohn's Disease, Endoscopy, and Gastrectomy.

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 Colitis. Her top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Familial Adenomatous Polyposis, Viral Gastroenteritis, Colitis, and Endoscopy.

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 Colitis. His top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Benign Esophageal Stricture, Lower Esophageal Ring, Endoscopy, and Colonoscopy.

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 Colitis. His top areas of expertise are Toxic Megacolon, Saddle Pulmonary Embolism, Ascites, Endoscopy, and Colonoscopy.

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 Colitis. His top areas of expertise are Gallbladder Disease, Benign Esophageal Stricture, Cholecystitis, Endoscopy, and Gallbladder Removal.

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 Colitis. Her top areas of expertise are Familial Adenomatous Polyposis, Esophagitis, Barrett Esophagus, Endoscopy, and Colonoscopy.

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 Colitis. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Hernia Surgery, and Colostomy.

James Patterson is a primary care provider, practicing in Family Medicine in Mifflinburg, Pennsylvania. Dr. Patterson is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are High Cholesterol, Osteoarthritis, Richter Syndrome, and Chronic Lymphocytic Leukemia (CLL).

Nishit Patel is a primary care provider, practicing in Internal Medicine and Gastroenterology in Danville, Pennsylvania. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are DRESS Syndrome, Stridor, Type 1 Diabetes (T1D), Lung Transplant, and Heart Transplant.

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 Colitis. 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 Colitis. His top areas of expertise are Viral Gastroenteritis, Colitis, Crohn's Disease, Colonoscopy, and Endoscopy.