Daniel P. O'Brien, MD

Dr. Clifford Appel is a gastroenterologist who is board certified by the American Board of Gastroenterology. He treats patients ages 18 and older. He is dedicated to providing a strong patient/physician relationship and understands the importance of communication catered to each individual's needs. He has an extensive level of experience of more than 35 years in diagnosing and managing both acute and chronic gastrointestinal conditions. He also has performed thousands of upper and lower endoscopic procedures during his career. He was raised in central Connecticut. He enjoys spending time with his family, traveling and exercise-related pursuits including multiple outdoor activities such as hiking, biking and golfing.

Dr. Daniel O_x2019_Brien is a gastroenterologist and is board certified by the American Board of Internal Medicine. He is dedicated to providing quality care in a friendly, caring and relaxed manner. He works on understanding the personalized needs of patients and building strong, long-lasting relationships. Dr. O_x2019_Brien provides care to adult patients with acute and chronic GI conditions. In addition to performing a variety of general GI procedures, he specializes in performing in-office hemorrhoid treatments. Dr. O_x2019_Brien is an avid sports fan. He enjoys spending quality time with his children and coaching youth sports.