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Dr. Greenwood is on Doximity

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Education & Training

  • San Antonio Uniformed Services Health Education Consortium (WHMC)
    San Antonio Uniformed Services Health Education Consortium (WHMC)Fellowship, Vascular and Interventional Radiology, 1979 - 1980
  • San Antonio Uniformed Services Health Education Consortium
    San Antonio Uniformed Services Health Education ConsortiumResidency, Radiology-Diagnostic, 1977 - 1980
  • San Antonio Uniformed Services Health Education Consortium
    San Antonio Uniformed Services Health Education ConsortiumInternship, Transitional Year, 1976 - 1977
  • George Washington University School of Medicine and Health Sciences
    George Washington University School of Medicine and Health SciencesClass of 1976

Certifications & Licensure

  • UT State Medical License
    UT State Medical License 1977 - 2026
  • CT State Medical License
    CT State Medical License 1985 - 2025
  • TX State Medical License
    TX State Medical License 1979 - 2000
  • American Board of Radiology Diagnostic Radiology

Awards, Honors, & Recognition

  • Fellow (FSIR) Society of Interventional Radiology

Publications & Presentations

PubMed

Press Mentions

  • Making Men Feel Manly in Masks Is, Unfortunately, a Public-Health Challenge of Our Time
    Making Men Feel Manly in Masks Is, Unfortunately, a Public-Health Challenge of Our TimeJune 27th, 2020
  • Trump Travels to Arizona and Pledges to Rebuild the U.S. Economy
    Trump Travels to Arizona and Pledges to Rebuild the U.S. EconomyMay 6th, 2020
  • If the Government Thinks You Have Coronavirus, There’s Probably Nothing You Can Do to Avoid Quarantine
    If the Government Thinks You Have Coronavirus, There’s Probably Nothing You Can Do to Avoid QuarantineMarch 5th, 2020

Professional Memberships

Hospital Affiliations