Dr. Marc Johannsen is a diagnostic radiologist with Orlando Health Medical Group Radiology. He spent a decade providing radiology services for the U.S. Navy and his skills include obtaining and interpreting X-rays, computed tomography (CT) scans and ultrasounds. His office is in Orlando. Dr. Johannsen believes in helping his patients one scan at a time. Dr. Johannsen earned his doctor of osteopathic medicine (DO) from Philadelphia College of Osteopathic Medicine. He completed his radiology residency at Naval Medical Center Portsmouth in Virginia. Dr. Johannsen is affiliated with the Radiology Society of North America, the American College of Radiology and the American Osteopathic Association.