Skip to main content
John Mafi, MD, Internal Medicine, Los Angeles, CA

JohnN.MafiMD

Internal Medicine Los Angeles, CA

Associate Professor of Medicine at UCLA

Dr. Mafi 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. Mafi's full profile

Already have an account?

  • Office

    911 Broxton Ave.
    Los Angeles, CA 90024
    Phone+1 310-794-2280
    Fax+1 310-794-2280

Education & Training

  • Beth Israel Deaconess Medical Center
    Beth Israel Deaconess Medical CenterResidency, Internal Medicine, 2009 - 2012
  • Case Western Reserve University School of Medicine
    Case Western Reserve University School of MedicineClass of 2009

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 2015 - 2026
  • MA State Medical License
    MA State Medical License 2012 - 2016
  • OH State Medical License
    OH State Medical License 2014 - 2016
  • Internal Medicine
    American Board of Internal Medicine Internal Medicine

Publications & Presentations

PubMed

Journal Articles

  • Physician Prescribing of Opioids to Patients at Increased Risk of Overdose from Benzodiazepine Use in the United States  
    Marc R Larochelle, Alexander Chen, John N Mafi, Joseph A Ladapo, JAMA

Press Mentions

  • Doubled Paxlovid Prescriptions Show No Benefit in Vaccinated Older Adults, Study Finds
    Doubled Paxlovid Prescriptions Show No Benefit in Vaccinated Older Adults, Study FindsFebruary 26th, 2025
  • During Pandemic, Ivermectin Use Rose 10-Fold, Hydroxychloroquine Use Doubled, Study Reveals
    During Pandemic, Ivermectin Use Rose 10-Fold, Hydroxychloroquine Use Doubled, Study RevealsFebruary 24th, 2025
  • Data Suggest Paxlovid Doesn't Reduce Severe COVID in Older, Vaccinated Adults
    Data Suggest Paxlovid Doesn't Reduce Severe COVID in Older, Vaccinated AdultsFebruary 21st, 2025
  • Join now to see all