Dr. Felizarta received his medical degree from the University of the Philippines College of Medicine in Manila, Philippines. He completed an internal medicine residency and an infectious disease subspecialty residency at State University of New York Health Science Center at Brooklyn. He is certified by the American Board of Internal Medicine as a Diplomate in Internal Medicine and Infectious Disease. He is recognized as an HIV Specialist by the American Academy of HIV Medicine and as a Certified Physician Investigator by the Association of Clinical Research Professionals. Dr. Felizarta is a fellow of the American College of Medicine and Academy of Physicians in Clinical Research. He is also a member of the Infectious Disease Society of America and American Association for the Study of Liver Diseases.