Dr. Calvin Q. Pan is a research scientist and board certified physician in Internal Medicine, Gastroenterology and Hepatology. Specializing in liver and digestive disorders as well as nutrition support, he has been providing patient care services in Flushing area in Queens, New York since 1999. He is a teaching faculty and Associate Professor in Clinical Medicine at Mount Sinai School of Medicine in New York. Currently, He is appointed as the Director of Clinical Research/Hepatology at the Department of Medicine, Mount Sinai Services at Elmhurst Hosptital Medical Center. He is also on the staff of The New York Hospital in Queens. He serves as a principle clinical investigator in multiple national studies and clinical trials for hepatitis. He lectures, teaches and writes journal articles on his basic science and his clinical research findings. Recognized by his colleagues for his personal integrity, superior competence in internal medicine, and professional accomplishment with outstanding scholarly activities, Dr. Pan is honored with the title of the Fellow of the American College of Physicians (FACP) and Fellow of the American College of Gastroenterology (FACG). Having pioneered the technique in the United States since its approval by the FDA in 2001, he is the first a few endoscopists to provide the Capsule Endoscopy services in the setting of a private office facility clinical practice, permitting attentive, individualized care in a more convenient and personal atmosphere. As both a physician in private practice and a scientist involved in numerous medical science researches, Dr. Pan is committed to providing high quality of patient care as well as advancing medical science.