About Us

Dr. Dennis Rousseau Dr. Dennis L. Rousseau Jr., MD/PhD, FACS, received his medical degree and a doctorate in Biochemistry from Vanderbilt University. He went on to complete his general surgery training at the University of Michigan in Ann Arbor and his surgical oncology fellowship at the MD Anderson Cancer Center in Houston, where he was recognized as the outstanding clinical fellow of his graduating class. He was a member of the faculty at the University of Texas Health Science Center in San Antonio from 2003 – 2007, where he worked with Dr. Kahlenberg to develop the surgical oncology program.

In 2007, Dr. Rousseau was recruited by the Florida Hospital system in Orlando to serve as the Director of Surgical Oncology. In this role he chaired the system wide gastrointestinal cancer task force and developed a successful multidisciplinary GI cancer program. He also developed the database systems for breast and colorectal cancer to track outcomes for the entire hospital system, and served as a member of the clinical trials review committee to foster clinical research. During this time, Dr. Rousseau also assumed a national leadership position in the Society of Surgical Oncology, focused on the development of community surgical oncology programs. Dr. Rousseau has now returned to San Antonio to work with Dr. Kahlenberg to develop a program of excellence in Surgical Oncology at Surgical Oncology Associates of South Texas.

Medical School: Vanderbilt University
General Surgery: University of Michigan Hospital System, Ann Arbor
Fellowship: MD Anderson Cancer Center, Houston

  • Fellow of the American College of Surgeons

  • Member of the national community surgical oncology committee of the Society of Surgical Oncology

    Memberships: Society of Surgical Oncology, American College of Surgeons, American Society of Clinical Oncology, American Hepato-Pancreatico-Biliary Association


  • Hospital Affiliations:
    Baptist Health System
    Methodist Healthcare System
    Nix Health care system
    Surgical Oncology Associates of South Texas
    8715 Village Drive, Suite 620
    San Antonio, TX 78217
    502 Madison Oak, The Atrium, Suite 130
    San Antonio, TX 78258
    (210) 946-1400
    Fax: (210) 946-1010
    Map & Directions  
    To schedule a meeting with our team, please call
    us today at (210) 946-1400.

    The majority of our new patients are seen within 48 hours.
    Helpful Links:
    American Cancer Society Susan G. Komen Breast Cancer Foundation