- Texas Orthopedic Hospital
- ABOS - ORS
- Undergraduate: Texas Tech University 1983
- Medical School: University of Texas Medical Branch at Galveston 1987
- Residency: Parkland Memorial Hospital 1992
- Fellowship: Cleveland Clinic Foundation 1993
- Fellowship: Baylor College of Medicine 1994
- Tencer AF, Viegas SF, Cantrell J, Chang M, Clegg P, Hicks C, O’Meara C, Williamson JB: Pressure distribution in the wrist joint. J Orthop Res 1988; 6(4):509-517.
- Viegas SF, Tencer AF, Cantrell J, Chang M, Clegg P, Hicks C, O’Meara C.Williamson JB: Load transfer characteristics of the wrist. Part II. Perilunate instability. J. Hand Surg 1987; 12A:978-985.
- American Academy of Orthopedic Surgeons
- American Medical Association
- Harris County Medical Society
- North American Spine Society
- Texas Medical Association