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Dr. Hays is on Doximity

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Education & Training

  • University of Texas Health Science Center at Houston
    University of Texas Health Science Center at HoustonResidency, Internal Medicine, 1974 - 1975
  • Stanford Health Care-Sponsored Stanford University
    Stanford Health Care-Sponsored Stanford UniversityResidency, Internal Medicine, 1971 - 1974
  • University of Texas Southwestern Medical Center
    University of Texas Southwestern Medical CenterResidency, Internal Medicine, 1967 - 1969
  • Stanford University School of Medicine
    Stanford University School of MedicineClass of 1967

Certifications & Licensure

  • IL State Medical License
    IL State Medical License 1993 - 2017

Hospital Affiliations