According to our records, this business is located at 550 Landmarks Blvd. in Alton (in Madison County), Illinois 62002, the location GPS coordinates are: 38.8893938 (latitude), -90.1779989 (longitude). Southern Illinois Healthcare is categorized under Clinics (SIC code 8011). Known organization manager is Sandra Richardson. Current estimates show that the unit has a sales volume of $7,625,000 and staff of approximately 25 people. You can contact the company by phone at (618) 463-5905.