Some of our cancer centers are experiencing issues.  View More Important Notifications x
texas oncology more breakthroughs. more victories



Michael A. Keller, M.D.

General Summary


  • Fellowship in Colon and Rectal Surgery
    The University of Texas Southwestern Medical Center, Dallas, TX
  • Residency in General Surgery, Chief Resident
    University of Mississippi Medical Center, Jackson, MS
  • Medical Doctorate
    The University of Texas Health Science Center, Houston, TX

Medical Practice

  • Colon & Rectal Surgical Associates of San Antonio, San Antonio, TX (August 2011 – present)

Research Interest

Surgery Locations

Other Information

Accolades & Memberships

  • American College of Surgeons
  • American Society of Colon and Rectal Surgeons
  • Texas Medical Association
  • Texas Society of Colon and Rectal Surgeons

Community Service