Skip to main content
Charles Drehsen, MD, Emergency Medicine, Moorpark, CA

CharlesDrehsenMDFACEP

Emergency Medicine Moorpark, CA

Critical Care Medicine

regional medical director American medical response

Dr. Drehsen is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Drehsen's full profile

Already have an account?

  • Office

    616 Fitch Ave
    Moorpark, CA 93021
    Phone+1 805-517-2010
    Fax+1 805-517-2948

Education & Training

  • University of Southern California/Los Angeles General Medical Center (USC/LA General)
    University of Southern California/Los Angeles General Medical Center (USC/LA General)Residency, Emergency Medicine, 1976 - 1977
  • University of Southern California/LACUSC Medical Center
    University of Southern California/LACUSC Medical CenterInternship, Transitional Year, 1975 - 1976
  • University of California, Irvine, School of Medicine
    University of California, Irvine, School of MedicineClass of 1975

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1976 - 2025

Publications & Presentations

Lectures

  • "Biological weapons of mass distruction in a civilian population". 
    7/11/2000

Committees

  • Examiner, Calif. State Board of Medical Examiners 1979 - 1990

Professional Memberships

Other Languages

  • German, Spanish