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Dr. Van Os is on Doximity

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Education & Training

  • Mayo Clinic College of Medicine and Science (Rochester)
    Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Gastroenterology, 1992 - 1995
  • University of Texas Health Science Center San Antonio Joe and Teresa Lozano Long School of Medicine
    University of Texas Health Science Center San Antonio Joe and Teresa Lozano Long School of MedicineResidency, Internal Medicine, 1985 - 1988
  • University of Texas Southwestern Medical School
    University of Texas Southwestern Medical SchoolClass of 1985

Certifications & Licensure

  • CO State Medical License
    CO State Medical License 1996 - 2025
  • MN State Medical License
    MN State Medical License 1992 - 1996
  • TX State Medical License
    TX State Medical License 1988 - 1993
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Gastroenterology

Publications & Presentations

PubMed

Professional Memberships

Other Languages

  • Spanish

Hospital Affiliations