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Dr. Greenston is on Doximity

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Education & Training

  • Charles R Drew University
    Charles R Drew UniversityResidency, Emergency Medicine, 1998 - 2001
  • George Washington University School of Medicine and Health Sciences
    George Washington University School of Medicine and Health SciencesClass of 1998

Certifications & Licensure

  • TX State Medical License
    TX State Medical License 2017 - 2026
  • NH State Medical License
    NH State Medical License 2001 - 2025
  • FL State Medical License
    FL State Medical License 2019 - 2021
  • CA State Medical License
    CA State Medical License 1999 - 2001
  • American Board of Emergency Medicine Emergency Medicine

Publications & Presentations

PubMed

Hospital Affiliations