Photo of Dr. Marcus E. St. John, MD

As a cardiologist in Miami, FL, Dr. Marcus St. John offers treatment plans for conditions affecting your heart & cardiovascular system, such as hypertension.


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of Dr. St. John


Yeh, Quesada, & St. John, LLC  

Accepting New Patients?

Yes, Dr. Marcus E. St. John is accepting new patients at this office.


(305) 412-3515


8950 N. Kendall Drive, Suite 501, Miami, FL 33176

Office Hours

  Open Lunch Close

Office Details

Doctor Specialty Cardiology
Accepting New Patients? Yes
Practice Specialty Cardiology
Group Practice HeartWell LLP
Hospital Affiliation
  • Baptist Hospital of Miami
Languages Spoken Arabic, English, French, German, Italian, Korean, Mandarin, Polish, Portuguese, Russian, Spanish, Tagalog, Vietnamese

Insurance Accepted  

  • Aetna

About Dr. St. John
Dr. St. John



Dr. Marcus St. John graduated from Harvard Medical School in 1997 before completing a residency in Internal Medicine at Brigham and Women's Hospital from 1997 to 2000. He then completed a fellowship in Cardiovascular Disease at Johns Hopkins University from 2000 to 2003.

Dr. St. John has one office in Florida where he specializes in Cardiology.

Dr. St. John works with three doctors including Dr. Billy Yeh and Dr. Ramon Quesada.


Education & Training  

Medical School


  • Brigham and Women's Hospital
    Residency in Internal Medicine • 1997 - 2000


  • Johns Hopkins University
    Fellowship in Cardiovascular Disease • 2000 - 2003

  • Johns Hopkins University
    Fellowship in Interventional Cardiology • 2003 - 2004

Languages Spoken  

  • English

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