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Dr. John McKenzie III, MD

Dr. John McKenzie III, MD

Age 57 Cardiology M
(23) 23 reviews

Telehealth available

Accepting New Patients


Dr. John McKenzie III, MD is a cardiology specialist in Glendale, CA. Dr. McKenzie III completed a residency at Jewish Hospital Wash University. He currently practices at Heartbeat Cardiovascular Medical Group and is affiliated with Adventist Health Glendale. He accepts multiple insurance plans.


  • Barnes Jewish Hospital, Fellowship Hospital — 1996
  • University Of Southern California School Of Med, Fellowship Hospital — 1994
  • Jewish Hospital Wash University, Residency Hospital — 1991
  • Jewish Hospital Wash University, Internship Hospital — 1989
  • University Of Missouri--Kansas City School Of Medicine, Medical School — 1988

Insurance Accepted

  • Aetna
  • Anthem
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • LACare
  • Molina Healthcare
  • MultiPlan

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Compare with other Cardiology Specialists
Compare Dr. McKenzie III with our nearby Cardiology Specialists at Ronald Reagan UCLA Medical Center
These providers are on the medical staff of Ronald Reagan UCLA Medical Center
These providers are on the medical staff of Ronald Reagan UCLA Medical Center.


  1. Practice

    1. 1
      Heartbeat Cardiovascular Medical Group
      660 W Broadway, Glendale, CA 91204 Existing Patients: (818) 502-9420

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Dr. McKenzie is one of the most attentive, kind, caring doctor by far. His professional manner an demeanor is extraordinary. I’ve been blessed to have him as my specialist since 1997. May God continue to use him as an Instrument of one of the Best??Doctor’s caring for our precious Hearts. Stay healthy, Dr. McKenzie! 7-23-20
Kathy Black Spencer — Jul 25, 2020
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Dr. John McKenzie III, MD
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Frequently Asked Questions

Dr. McKenzie III frequently treats Cardiac Implantable Device Procedures.  

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Hospital Affiliations

  • Adventist Health Glendale
  • Adventist Health White Memorial
  • Glendale Memorial Hospital and Health Center
  • Usc Verdugo Hills Hospital