William Lopez, MD is a Fort Collins native who attended the University of Colorado Medical School, and received his training in internal medicine at the University of Colorado Health Sciences Center and Presbyterian Hospital. He is married with 2 children and 3 grandchildren.

Richard Johnson, MD has over thirty years of experience practicing internal medicine, all in the Fort Collins area. He holds a bachelor's and medical degree from the University of Kentucky, and his internship and residency were done at the University of Kentucky Medical Center. He is board certified in Internal Medicine.