Company linked with Clarence is: Lawrence C Collister P C. This year Clarence celebrated his 95 birthday. Clarence was born in 1929. Laurel L Collister, Rhonda Ann Collister, Larry Collister and one other person are people possibly related to Clarence. Phone number listed for Clarence is (405) 329-6290. Clarence is a resident of 215 Ridge Rd #D, Norman, Ok 73069. Clarence has previously lived in Denton and Grapevine.