Patient Portal; Main navigation ... Lakewood, CO, 80228-1731. Fax: 720-321-8281. Distance: Get directions. Phone. 720-321-8280. About; Specialties; Providers; Patient Tools; Get an Estimate; Pay My Bill; About. CHPG St Anthony Internal Medicine understands that adult health and illness can be complex, so we are here to treat you with the ....