According to our records, this business is located at 444 E Main St Ste 200 in Decatur (in Macon County), Illinois 62523, the location GPS coordinates are: 39.8415289 (latitude), -88.951419 (longitude). Mary Herald MD is categorized under Testing Laboratories (SIC code 8071). Known organization owner is Mary Herald. You can contact the company by phone at (217) 429-7059.