Dr. Johnson travels weekly throughout Southern California (Highland, Redlands, Yucaipa, Banning, Palm Springs, Palm Desert, Thermal, Indio, Yucca Valley, Inland Empire, Riverside, Norco, Perris, Gavilan Hills, Lake Elsinore, Hemet, Moreno Valley, Temecula, Murrieta, Fallbrook, Bonsall, San Diego, Yorba Linda, Orange County, Long Beach, Anaheim, Jurupa Valley, San Dimas, Malibu, Rancho Palos Verdes, Rancho, Alta Loma, Chino Hills, Pomona, Los Angeles, Burbank, Oxnard, Thousand Oaks, Ventura, Bakersfield, Ojai, San Fernando Valley and many more), the greater High Desert, including Apple Valley, Hesperia, Oak Hills, Victorville, Lucerne Valley, Summit Valley, Devore, Wrightwood, Pinon Hills, Phelan, Baldy Mesa, Adelanto, El Mirage, Helendale, Hinkley, Barstow, Newberry Springs and Fort Irwin, Big Bear Mountain communities. Along with parts of Central California and Nevada.