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Dr. Zimmerman is on Doximity

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  • Office

    155 Glasson Way
    Grass Valley, CA 95945
    Phone+1 530-274-6001
    Fax+1 530-470-8906

Education & Training

  • Georgetown University School of Medicine
    Georgetown University School of MedicineClass of 1974

Certifications & Licensure

  • AZ State Medical License
    AZ State Medical License 1975 - Present
  • CA State Medical License
    CA State Medical License 1977 - 2026