Occupational Health Systems Knoxville, TN Office 9135 Middlebrook Pike, Knoxville, TN 37923 Phone: 865.558.3038 Fax: 865.558.3515 Map & Directions Clinton, TN Office 1107 Charles G. Seivers Blvd., Clinton TN 37716 Phone: 865.463.2543 Map & Directions