According to our records, this business is located at 415 E Ash Ave Ste C in Decatur (in Macon County), Illinois 62526, the location GPS coordinates are: 39.8983537 (latitude), -88.961423 (longitude). Alan D Colby DDS is categorized under Dentists (SIC code 8021). Known organization owner is Alan Colby. You can contact the company by phone at (217) 875-5590.