Dr. Corey B. Johnson is a Cache Valley native who graduated from Utah State University then went to medical school at the Medical College of Wisconsin (formerly Marquette). He completed a residency in Family Medicine at the University of Wyoming at Casper. He has been board certified since 1991. He practiced Family Medicine and Emergency Medicine for many years then specialized in Phlebology (vein disease) in 2006. He became board certified in Phlebology in July 2008 when the board certification exam became available.