According to our records, this business is located at 2220 N Monroe St # 1 in Decatur (in Macon County), Illinois 62526, the location GPS coordinates are: 30.4701154 (latitude), -84.2886451 (longitude). Douglas O Nichols LTD is categorized under Dentists (SIC code 8021). Current estimates show that the unit has a sales volume of $594,000 and staff of approximately 6 people. You can contact the company by phone at (217) 877-1742.