Dr. Roger T. Kallhovd is a psychiatrist in Northport, New York. He received his medical degree from State University of New York Downstate Medical Center College of Medicine and has been in practice for more than 20 years. Dr. Roger T. Kallhovd has expertise in treating depression, anxiety disorders, among other conditions - see all areas of expertise. Dr. Roger T. Kallhovd accepts Medicare - see other insurance plans accepted.