Dr. Hyland completed his Bachelor of Science degree at the University of New York in Albany and earned his medical degree from New York Medical College in Valhalla, New York He did his internship at Danbury Hospital in Danbury, Connecticut, an affiliate of Yale University School of Medicine. He then completed his residency in internal medicine at Stamford Hospital, serving as chief resident his final year. He is board certified in internal medicine. Dr. Hyland began his medical practice with Internal Medicine Associates of Rockdale (IMAR) in October 1992. IMAR was established in 1981 and has been serving the Rockdale community since then. Dr. Hyland is a member of the American College of Physicians and the American Medical Association. He accepts Medicare, Medicaid and most commercial insurance plans.