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Dr. Lem is on Doximity

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Education & Training

  • Contra Costa Regional Medical Center
    Contra Costa Regional Medical CenterResidency, Family Medicine, 1977 - 1980
  • University of California, Davis, School of Medicine
    University of California, Davis, School of MedicineClass of 1977

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1978 - 2024
  • American Board of Emergency Medicine Emergency Medicine

Hospital Affiliations