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William Ennis, DO, Vascular Surgery, Chicago, IL, University of Illinois Hospital & Health Sciences System


Vascular Surgery Chicago, IL

Professor, Surgery, University of Illinois College of Medicine

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  • Dr. William Ennis, DO is a vascular surgeon in Chicago, Illinois. He is currently licensed to practice medicine in Illinois, Michigan, and Indiana. He is affiliated with University of Illinois Hospital & Health Sciences System, OSF Healthcare Little Company of Mary Medical Center, and Advocate Christ Medical Center.

Education & Training

  • Chicago Osteopathic Hospitals & Medical CenterResidency, Family Medicine, 1993 - 1995
  • Chicago Osteopathic Hospitals & Medical CenterFellowship, Vascular Surgery, 1990 - 1991
  • New York College of Osteopathic Medicine
    New York College of Osteopathic MedicineClass of 1985

Certifications & Licensure

  • MI State Medical License
    MI State License 1998 - 2004
  • IN State Medical License
    IN State License 1996 - 2001
  • IL State Medical License
    IL State License 1990 - 2023
  • FL State Medical License
    FL State License 1986 - 1998
  • AOA Board of Family Physicians Family Practice and Osteopathic Manipulative Medicine
  • AOA Board of Family Physicians Undersea and Hyperbaric Medicine (CAQ)
  • AOA Board of Surgery General Vascular Surgery
  • AOA Board of Surgery Surgery

Clinical Trials

Publications & Presentations


Professional Memberships

Hospital Affiliations