Pediatric Cardiology Specialists in Maryland & Virginia

Providing comprehensive diagnostic and therapeutic services for children with heart-related issues

The Children’s Heart Institute, a member of John Hopkins Medicine, is a team of highly-regarded pediatric cardiologists who provide comprehensive diagnostic and therapeutic services for children who are suspected of having heart disease. At the Children’s Heart Institute, we take a family approach to medical care.

Educating Patients & Families

At CHI, we aim to ensure that all of our patients and their caregivers understand their condition. Our website offers a wealth of information about various medical and cardiac issues that we treat in addition to offering general information about how the heart works.

Visit Our Online Library

Heart Health

What Our Patients Are Saying

5 Stars

Jun 2, 2022

Dr. Hassan Abdallah diagnosed, and treated me for POTS when I was a young teenager. He is an exceptionally talented man. He went above and beyond to get me the proper testing and treatments for my diagnosis.
5 Stars

Sep 22, 2021

Dr. Abdallah is the best! After all my testing that felt like took forever he treated me the same day as my last test instead of making me make a separate visit due to my condition being so bad, I got my diagnosis of POTS and he listened to everything I had to tell him about how it all started and now I feel. I’m just a week in from starting my treatment plan and I feel little change but I feel he will get me on the right track to feeling better in no time! Love all his staff also there wonderful!
5 Stars

Jun 23, 2021

Dr. Mehta - if I could give infinity stars, I would. After being his patient yesterday, literally, and after our experience and then reading what he strongly believes, "Never disregard a mother's concern" I can attest infinity amount that he does what he says - the words match the actions. Yesterday was a grueling day of concern for me as a mom and Dr. Mehta did not doubt me for 1 second and was the ultimate caretaker making sure any and ALL of my questions were answered. He is at the absolute TOP of my list of BEST doctor. The best. Thank goodness there are doctor's like him. I am grateful.
5 Stars

Jun 8, 2021

Highly recommend Dr. A. Essentially saved my life after meeting numerous dead ends with other cardiologists the first day of the exam he listed all the issues I was experiencing just by a basic exam. Its been a long journey but truly a wonderful doctor passionate about helping patients lead a normal life
5 Stars

May 24, 2021

I have had dizziness since I was a kid and always told to “drink more water.” After I got COVID in May 2020 my symptoms were so bad that I was out of work for several months. After seeing an ENT, Neurologist, cardiologist, and ED doc I was finally sent to a POTS doc, and my god it saved me. It’s been 1 month since I started treatment and I can almost run 4 miles at my race pace! I could cry with how much these doctors have changed me! I am forever thankful for them taking me seriously and getting to the bottom of my years of dizziness. THANK YOU
5 Stars

May 6, 2021

Dr. Abdallah is very professional and caring. Listened to what my concerns were.
5 Stars

May 4, 2021

Dr. Abdallah is the best. Since my family found him through the support group for people with POTS, we have found our miracle in him. We love everyone in the office, the techs, the nurses, the front desk, they have been so patient with me and all of my questions and finally found an answer for my child.
5 Stars

Apr 2, 2021

Very nice and courteous Doc!!!
5 Stars

Jan 4, 2021

I am visiting this practice from years now. Dr. Abdallah has immensely helped me in improving my medical condition. I thank God that I found Dr. Abdallah.
5 Stars

Jan 4, 2021

It has been the best practice I can use for my kid. I love how responsive they are. Doctor Abdallah is always so attentive and take time to listen to our concerns. Staff, is so sweet over the phone and always provides me with the best information.
Previous Slide Previous Slide
Next Slide Next Slide
Play Slider Play Slider
Pause Slider Pause Slider

Leave a Review

CHI Blog

kids sitting outside playing together

Top 5 Tips to Get Kids to be More Active

Top 5 Tips to Get Kids to be More Active

According to a CDC obesity report, childhood obesity has doubled in children and quadrupled in adolescents in the past 30 years. While there are many contributing factors, many experts agree that children do not get enough exercise. Increasing physical activity can boost your child’s heart health and reduce the risk of high blood pressure and high cholesterol.