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Internist, Adolescent Specialist
45 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Richard Mackenzie is Excellent. Dr. Mackenzie has been reviewed by 5 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

  • He has special expertise in 4 areas:
  • Binge Eating Disorder
  • Eating Disorders
  • Menstruation Disturbances
  • STD (Sexually Transmitted Diseases)

Education & Awards

Dr. Mackenzie graduated from McGill University Faculty Of Medicine, Montreal. He has 2 awards.

Patients' Choice Award (2012)
Compassionate Doctor Recognition (2012)


Dr. Mackenzie has 2 hospital affiliations:

  • Children's Hospital of Los Angeles 
  • John Muir Medical Center-Concord Campus 


  • Spanish

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Additional Information
Dr. Richard George Mackenzie MD is a male Internist, has 45 years of experience and practices in Internal Medicine and Adolescent Medicine.
Where does Dr. Richard G. Mackenzie practice?
Dr. Richard Mackenzie has 2 office locations.
Dr. Richard Mackenzie practices Internal Medicine and Adolescent Medicine near Los Angeles, CA.
See Los Angeles Internists and Los Angeles Adolescent Specialists.