


Dr. Mark Alexander, MD
Dr. Mark Alexander, MD is a pediatric cardiologist in Boston, MA and has over 35 years of experience in the medical field. He graduated from Boston University Chobanian & Avedisian School of Medicine in 1985. He is affiliated with Boston Children's Hospital. He is accepting new patients and telehealth appointments.
Department of Cardiology
300 Longwood Ave Boston, MA 02115At a Glance
- Areas of ExpertiseDr. Alexander specializes in the areas of Adult Congenital Heart Disease, Pediatric Cardiology & Pediatrics. • See board certifications
- Explains Conditions Well
- Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
- Trustworthy

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Dr. Alexander's Reviews
Likelihood to recommend Dr. Alexander
2.6
5 Star | 40% | 40% |
4 Star | 0% | 0% |
3 Star | 0% | 0% |
2 Star | 0% | 0% |
1 Star | 60% | 60% |
Overall Patient Satisfaction
Likelihood of recommending Dr. Alexander to family and friends is 2.6 out of 5
About Me
care philosophy
Many patients will need to see us for years. Understanding their goals, interests and fears can help us frame difficult decisions and respond honestly. As children move into adolescence, constantly refocusing care towards the teen is equally...read morebiography
Following medical school, Dr. Alexander completed a pediatric residency in Hawaii and then served four years as an Army Pediatrician in rural Louisiana. He returned to Boston for a fellowship in pediatric cardiology and completed additional...read morePediatric Cardiology
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Boston Children's Hospital
Fellowship Hospital, 1998Boston Children's Hospital|children's Hospital|childrens Hospital
Fellowship Hospital, 1998Children's Hospital
Fellowship Hospital, 1998Childrens Hospital
Fellowship Hospital, 1996Tripler Army Medical Center
Residency Hospital, 1988Tripler Army Medical Center
Internship Hospital, 1986Boston University Chobanian & Avedisian School Of Medicine
Medical School, 1985Amherst College
Undergraduate School, 1980
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Department of Cardiology
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