Informational

Data use

We use cookies and similar tools to make your use of this website easy and to keep it working properly. We may share data about you and how you use the site with third parties, such as analytics and marketing partners. Learn more in our Privacy Policy and Terms of Use. By continuing to use the site, you agree to this.

Calvin Lewis, MD

Specialty

Radiation Oncology

Languages

English

Seeing patients at

  • Gender

    Male

    Board certifications

    American Board of Radiology

    Licenses

    CO, DR0073905

    Network Name

    OptumCare Network of Colorado

    NPI

    1841731130

  • Education

    Medical School

    • University of Missouri - Columbia

      Columbia, MO

    Residency

    • University of Iowa Hospitals and Clinics

      Iowa City, IA

© 2026 Optum, Inc. All rights reserved. Stock photos used.