Practiced in 1949-1992 (and perhaps longer).
Johnson, Scott. Something more: osteopathic medicine in southern Arizona. Tucson, Ariz. : Osteopathic Press, 1992, pages 37, 107.
Arizona Medical Board record: Vernon Wyatt Pierce DO; license issued: 04/17/1947; medical school: Kirksville College of Osteopathic Med KCOM, Kirksville, MO; graduation date: 06/30/1937.
      
  Johnson, Scott. Something more: osteopathic medicine in southern Arizona. Tucson, Ariz. : Osteopathic Press, 1992, pages 37, 107.
Arizona Medical Board record: Vernon Wyatt Pierce DO; license issued: 04/17/1947; medical school: Kirksville College of Osteopathic Med KCOM, Kirksville, MO; graduation date: 06/30/1937.
Master pnID
              AMH-PN2895
          Src1 DP
              AHSL-DP
          Residence(s)
          Tucson