Pay your bill online through our patient portal. Not signed up for the portal? Call our office at 303.234.1067 and ask a staff member to help sign you up! Mailing Address. 1746 Cole Blvd., Building 21 Suite 320 Lakewood, CO 80401. Locations. We have 8 convenient office locations: Arvada, Boulder, Denver, Englewood, Lakewood, Lafayette ....