Dr. Chain is seeing patients at ENT One, 7851 S Elati St, #102, Littleton, CO 80120, (303)-798-1309. No form settings found. Please configure it. No Hours settings found. Please configure it ... Comprehensive ENT has closed. Dr. Randy Taylor has retired. Dr. Carol Langdoc has moved to Integrated ENT, 9960 Sky Ridge Ave, Lone Tree, CO 80124 ....