William O. Kirk, M.D.

Vascular Surgeon

Caring for the needs of PVA patients since 1993, Dr. Kirk has a passion for all aspects of vascular surgery.

Dr. Kirk has the expertise to treat all vascular conditions including leg circulation problems, carotid artery disease, aneurysms, deep vein thrombosis, varicose veins and dialysis access.  As a vascular surgeon, he and his colleagues at PVA, are the only specialists trained to perform all treatment options for vascular disease including endovascular procedures, open surgery and hybrid procedures that combine endovascular and open surgery.

Dr. Kirk is an avid outdoorsman who enjoys hunting, fishing and cycling.He also enjoys mountain biking followed by horseback riding.

Please note: Dr. Kirk will be transitioning to a new practice called Vascular Institute of San Antonio – Baptist Medical Network. Their phone number is (210) 962-5709, and his address is 8811 Village Dr, Suite 150, San Antonio, Texas 78217. His clinical services with the new organization will be available after January 15th, 2024.  Please know that your care will proceed uninterrupted. If you have any questions, or would like to obtain a copy of your medical records, please call PVA at (210) 237-4444.

Board Certification

  • American Board of Surgery, Vascular Surgery
  • American Board of Surgery, General Surgery


  • Fellowship Peripheral Vascular Surgery Baylor University Medical Center
  • Residency General Surgery University of Texas Health Science Center at San Antonio
  • Doctor of Medicine University of Texas Southwestern Medical School
  • Undergraduate BS Chemistry Southwestern University

Societies and Organizations

  • American College of Surgeons Fellow
  • Society for Vascular Surgeons
  • Texas Medical Association
  • Bexar County Medical Society (BCMS)
  • J. Bradley Aust Surgical Society
  • Contact Us Today: 210.237.4444
  • Veintec: 210.483.8822