Skip to main content
John Sullivan, MD, Internal Medicine, Thousand Oaks, CA

JohnSullivanMD

Internal Medicine Thousand Oaks, CA

Addiction Medicine, Clinical Pharmacology

Physician

Dr. Sullivan is on Doximity

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

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. Sullivan's full profile

Already have an account?

Education & Training

  • University of Otago School of Medicine
    University of Otago School of MedicineClass of 1976, MD

Certifications & Licensure

  • HI State Medical License
    HI State Medical License 2022 - 2026
  • CA State Medical License
    CA State Medical License 1999 - 2025
  • MD State Medical License
    MD State Medical License 1988 - 1995
  • ME State Medical License
    ME State Medical License Active through 1994
  • RI State Medical License
    RI State Medical License 1986 - 1990
  • American Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

  • Fellow American College of Physicians
  • Fellow Royal Australasian College of Physicians FRACP, 1985