The medical specialty Gastroenterology involves diagnosing and treating disorders of the digestive system affecting the esophagus, stomach, small intestine, large intestine, rectum, liver, gallbladder and pancreas. Committed to providing high quality patient care, our Gastroenterology Division offers extensive continuum treatment of gastrointestinal and liver diseases. Dr. Robert H. Hale has been with Central Bucks Specialists since 1975. He completed his residency and fellowship in Gastroenterology at Hahnemann University Hospital. He is Board Certified in Gastroenterology. Dr. Hale resides in Bucks County with his wife and daughters. Dr. Timothy Orphanides joined Central Bucks Specialists in 1988 after completing his fellowship in Gastroenterology at The Graduate Hospital in Philadelphia. He is Board Certified in Gastroenterology and is a member of the Doylestown Hospital staff. Residing in Bucks County with his wife, Dr. Orphanides is an active parent of a daughter and son. Dr. Joseph J. Minissale, Jr. earned his medical degree from the University of Health Sciences College of Osteopathic Medicine. He completed his residency training in Internal Medicine and his Gastroenterology fellowship at Hahnemann University Hospital. He is Board Certified. Dr. Minissale is an avid golfer and enjoys spending time with his wife and children. Dr. Louis F. Morsbach, Jr. has been with Central Bucks Specialists since 1998 after completing his residency and fellowship at The Medical College of Pennsylvania and Allegheny University, respectively. Board Certified in Gastroenterology, Dr. Morsbach is a member of the Doylestown Hospital staff. He and his wife reside locally. Dr Alan Chang joined Central Bucks Specialists in 2004.  He earned his medical degree from the University of Pennsylvania.  He completed his residency and fellowship at Temple University Hospital.  He is Board Certified in Gastroenterology.  Dr. Chang enjoys spending time with his wife and children. Dr. Leonard D. Ehrlich recently joined Central Bucks Specialists. After completing his fellowship in Gastroenterology at the George Washington University Hospital, he entered a private practice for seventeen years. He then joined the staff at George Washington University Hospital as an Assistant Professor of Gastroenterology. After seven years, he returned to Doylestown and joined CBS in July 2006. His interests include, but are not limited to, Irritable bowel syndrome, inflammatory bowel disease, and colon cancer. Dr. Kamlesh Shah graduated from Rutgers University and received his medical training at the University of Medicine and Dentistry of New Jersey. Dr. Shah completed his residency at Thomas Jefferson University Hospital. His fellowship was completed at Graduate Hospital, Drexel University College of Medicine, Duke University Medical Center and Durham VA Medical Center. He specializes in the treatment of digestive diseases. Dr. Shah recently completed an Advanced Endoscopy Fellowship at Duke University Medical Center.