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Dr. Greenfeld is on Doximity

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Education & Training

  • Hennepin Healthcare
    Hennepin HealthcareResidency, Emergency Medicine, 1976 - 1978
  • Stanford Health Care-Sponsored Stanford University
    Stanford Health Care-Sponsored Stanford UniversityInternship, Internal Medicine, 1971 - 1972
  • Stanford University School of Medicine
    Stanford University School of MedicineClass of 1971

Certifications & Licensure

  • WA State Medical License
    WA State Medical License 1978 - 2024

Publications & Presentations

PubMed