Alexandra Nolan Byrne, M.D.

Headshot of Alexandra Nolan Byrne


Cardiac Disease, Cardiology, Cardiovascular Disease, Cardiovascular Disease in Women, Clinical Cardiology, Coronary Artery Disease, Echocardiography, General Cardiology, Heart Disease, High Blood Pressure (Hypertension), Preventive Cardiology, Risk Factor Modification, Stress Testing, Valvular Heart Disease more


Johns Hopkins Medicine - Green Spring Station

10755 Falls Road
Pavilion I
Lutherville, MD 21093 map
Phone: 410-583-3740 | Fax: 410-367-2448

Johns Hopkins Bayview Medical Center

4940 Eastern Avenue
Baltimore, MD 21224 map


Alexandra Byrne, M.D. is a general cardiologist in Baltimore, MD. She sees patients at Johns Hopkins Medicine – Cardiology at Greenspring Station.  She also attends on the inpatient cardiology service at Johns Hopkins Bayview Medical Center. 

Dr. Byrne treats patients for a wide variety of cardiovascular concerns, including heart disease, cardiovascular disease prevention, and heart failure. She completed undergrad at Johns Hopkins University before receiving her medical degree from University of Maryland, Baltimore.

Earning the title of Chief Resident, Dr. Byrne completed residency and fellowship training at University of Maryland Medical Center. She is an active member of the American College of Cardiology. more

Departments / Divisions



  • MD; Medicine; University of Maryland Baltimore (2015)


  • Internal Medicine; University of Maryland Medical Center (2019)


  • Cardiology; University of Maryland Medical Center (2022)

Board Certifications

  • American Board of Internal Medicine (Cardiovascular Disease) (2022)
  • American Board of Internal Medicine (Internal Medicine) (2018)

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

Is this you? Edit Profile
back to top button