Charles B. Howard received his A.B. Degree in chemistry from Boston University in 1965 and his M.D. degree from the University of Vermont College of Medicine in 1969. He completed an internship and a residency in radiology at the Walter Reed Army Medical Center, where he was appointed chief resident in radiology in 1972.

From 1974-1976, Dr. Howard was Chief of Radiology at Kimbrough Hospital in Odenton, Maryland, a radiologist for the National Services Administration, and a member of the Presidential Emergency Relocation Team in case of Nuclear Alert. Since 1976, Dr. Howard has been a radiologist at University Medical Center at Princeton, Princeton University, Carrier Clinic in Belle Mead, New Jersey, and Princeton Radiology Associates, where he is currently president of the Board of Directors. Dr. Howard is concurrently on the Board of Directors of the Princeton Medical Center Physicians' Organization, Princeton Medical Center Physician Hospital Organization, Princeton Medical Management, Radiology Consultants of New Jersey, and Hillsborough Radiology Associates.

Dr. Howard has been certified by the National Board of Medical Examiners and the American Board of Radiology. He is a member of the American College of Radiology, Radiology Society of New Jersey, Mercer County Medical Society, The Academy of Medicine of New Jersey, and the American Medical Association.