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Dr. Marcus Edward McKenzie MD is a male Internist, has 12 years of experience and practices in Internal Medicine, Cardiovascular Disease, and Cardiology.
Video profile
Dr. Marcus McKenzie has 4 office locations.
Legacy Heart Center
6601 Preston Rd
Plano, TX 75024

Phone Number
Locations and availability (4)
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

  • Currently 3 of 4 stars
Patient comments (3)

The overall average patient rating of Dr. Marcus McKenzie is Good. Dr. McKenzie has been reviewed by 5 patients who have provided 3 comments. The rating is 3 out of 4 stars.

Patient Ratings
Ease of Appointment 3.8
  • Currently 3.8 of 4 stars
Promptness 3.4
  • Currently 3.4 of 4 stars
Courteous Staff 3.2
  • Currently 3.2 of 4 stars
Accurate Diagnosis 3.2
  • Currently 3.2 of 4 stars
Bedside Manner 3.0
  • Currently 3 of 4 stars
Spends Time with Me 2.8
  • Currently 2.8 of 4 stars
Follows Up After Visit 3.0
  • Currently 3 of 4 stars

Specialties & Research

Dr. Marcus McKenzie, MD is board certified in Cardiovascular Disease.

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. McKenzie graduated from The University of Texas at Galveston. He has 8 awards.

Hospital Program in Internal Medicine, Baltimore, MD
Sinai Hospital Resident Research Symposium Winner for "Monitoring Platelet Inhibition with oral Glycoprotein IIb/IIIa Inhibitors: 2001 Are We Missing Something?" Baltimore, MD
Outstanding Junior Resident, John Hopkins University/Sinai 2000
Alpha Omega Alpha, The University Of Texas Medical Branch, Galveston, TX 1997
Dean’s List, University of Texas Medical Branch, Galveston, TX 1994-1997
The Jack Wallace Prize in Cardiology, The University of Texas Medical Branch, Galveston, Texas 1997
Hury Cancer Scholarship Recipient, University of Texas Medical Branch, Galveston, TX 1994
Top Ten Doctors (2012)
Cardiology, Deerfield, Plano, TX


Dr. McKenzie has 19 hospital affiliations:

  • Frisco Medical Center 
  • Texas Health Harris Methodist Hospital Azle 

Accepted Insurance Plans

Dr. McKenzie accepts these health insurances in at least one office:

  • United Healthcare - 2 plans
  • Great-West Healthcare - 2 plans
  • Unicare - 11 plans
  • Blue Cross Blue Shield of Texas - 2 plans
  • Scott and White Health Plan - 2 plans
  • Humana - 2 plans
  • Medicare - 1 plan
  • Cigna - 7 plans
  • USA H & W Network - 1 plan


  • Hindi
  • Spanish

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Additional Information
Where does Dr. Marcus E. McKenzie practice?
Dr. Marcus McKenzie practices Internal Medicine, Cardiovascular Disease, and Cardiology near Plano, TX.
Additional practice locations include: McKinney, TX and Washington, DC.
See Plano Internists and Plano Cardiologists.