Welcome, We Love To Serve You! See Us for Outpatient Occupational Therapy Dr. Witten Returning to Clinic November 8 Joe Witten, D.O. (Marietta, OK, November 2, 2021) Dr. Joe Witten, D.O., is resuming his career at Mercy Health/Love County Hospital and Clinic on Monday, November 8, following a lengthy illness and convalescence. The 53-year-old doctor says he is fortunate to be alive.About Us‧Hospital‧Clinic‧Emergency Room‧Health & Wellness‧Employment.