Welcome our new physicians to The Summit Visit our new local providers in Frisco and Silverthorne. Ploase welcome our new primary care doctors Colby in Silverthorne and Julie Mckenzie, DO, in Silverthorne and Frisco. Both are board-certified in Family Medicine and are committed to keeping our Summit County community healthy and strong through the fall and winter seasons and beyond. Convenient primary care where you live, work and play. We help encourage your healthy lifestyle choices and preventive care to maintain optimal wellness. Now accepting new patients. call or visit chpgprimarycare.org today Colby Jolley. Do Board-certified Family Modicine High Couety Heaithcase Siverthome Call to schedule an appointment at 970-468-1003 Julle McKenzle, DO Board-certified Family Medicine Country Healthcare Friaco Call to schedule an appointment In Frisco at 970-668-5584. High Courtry Healthcars-Siverthome 265 Tanglwood Ln.t-1 Call to schedule an appointment in Silverthorne at 970-468-1003. Centura Health Physician Group High Country Healthcare Centura Health.