Physician's were amazing and got my daughter in quick, in middle of her testing the office closed. We never received any notice or email, I had to call the number in Maryland to find out where to request medical records and now I am scrambling trying to care for my daughter now. I wish they had told me this prior to starting testing. read more

The practice closed without notice and my daughter waited over a year for an appointment for their very specialized care. We had future appointments set up and they basically said, 'due to unforseen circumstances - all appointments are cancelled because the office is closed. No referrals to another practice that deals with my daughter's condition - nothing. We were shocked and devastated! read more

They like to drop patients easy and make excuses. Before they drop the patient they do not refer them to a new doctor. They leave patients with ports IV lines and someone still inside. have had multiple cardiac problems since they've dropped me in multiple hospital admissions. they should've never joined forces with Hopkins made things worse. Now they're trying to separate from Hopkins. read more

Daughter with POTS. Took years to get an apppointment. They then canceled it multiple times, rescheduling 6 months out each time. Finally got in and started testing on our daughter in January 2026, scheduled multiple appointments for follow-ups and testing, then they send a text message canceling all appointments because they are renovating the office for 3 months. as if that happened suddenly. staff don't know anything more either. This H & W team appear to know about POTS but they know nothing about serving patients and their families.....they build up families' hopes, then destroy them. read more

I am an adult who comes here for testing and treatment of POTS and Ehlers Danlos. I have had about 4 appointments so far and my experience is overwhelmingly positive. Every staff member is exceptionally personable and kind. They are super super knowledgeable about the conditions they treat and extremely thorough. I was 1-on-1 with NP/PA for like 2 hours on my first visit. They test every little thing that could be impacted by the conditions they treat, to ensure they give you the right diagnosis and put you on the right treatment plan. I'm very very thankful that I've found a specialist who actually understands and treats POTS + takes it very seriously. I've suffered for many years, with many other specialists alleging that I was "perfectly healthy" because they are not educated on rare disorders. I'm so thankful to finally be on the right track to getting better. They do take insurance but insurance may not pay for every test because of prior authorizations, red tape, etc. They tell you up front what things could cost if the insurance tries to deny anything. For me, it's a max of like $2,000 (if insurance denies like literally everything) and I appreciate them being detailed and thorough enough to tell me that ahead of time. Obviously I hope my insurance pays for all of the tests, but even if they don't, it's well worth the money. I'm finally getting treated in a way that is thorough and comprehensive instead of a "let's list your symptoms and go for a trial and error rx" approach and it's honestly so relieving. I finally feel hopeful that I will get better. read more

Dr. Abdallah and Dr. Hala are wonderful, compassionate, knowledgeable physicians. You know why you have to wait so long to see them? Because they take HOURS treating their patients. POTS is a very complicated condition that effects so many systems in the body. You know why else you wait so long? Because there are SO MANY POTS patients and no doctors to treat us. Dr. Abdallah diagnosed my illness when no other doctor could. He and Dr. Hala are worth the wait. The office staff are also wonderful. Everyone is so nice and caring. I do wish there was a patient portal and an easier way to get in touch with the docs in an emergency. read more

Worst doctor I've ever been to. They will charge you over $100k and then provide no help. Stay away!!!

I am shocked to see so many mixed reviews. Our experience with CHI was very positive. My son went to Dr. Abdullah for 2 years for his POTS. My son was a tough case and Dr. Abdullah did not give up trying to help. He was personally invested and cared very deeply. The staff, especially Michelle R., became family going above and beyond. It was not uncommon that they were all still working until 7 or 8 pm at night. I agree that visits took hours but that was because multiple tests occurred each visit. I enjoyed the convenience of having all the tests in one location. Love Dr. Abdullah and CHI. read more

So this is really effed up. Seems extremely unethical to force this on patients who have appointments coming up and have no choice but to pay enormous balances to be seen. Zero stars if I could. read more

Children's Heart Institute - Pediatricians Near Me - Herndon, Virginia

Amazing, thorough, friendly, knowledgeable staff. So thankful for Dr Abdallah! He's given our daughter her life back!

Thank you Dr Abdallah and Dr Hala for all that you do. My daughter struggled for many year undiagnosed we came to CHI and got a Diagnosis POTS and EDS , these 2 incredible doctors never gave up on my child, I'm sick of hear about the wait time so what, as long as they help are children who cares I would wait 20 hours if need be. My daughter is now thriving and living her best life. The office staff front desk including the techs are wonderful,compassionate and extremely helpful. If I could I would give these 2 amazing doctors 20 stars. Thank you for all that you do to help all your patients and just remember each case can be more complicated then the other, they give us their all and we should all be thankful for them. read more

Amazing service helped me so much!! staff was great especially michelle!!! sweetest staff and listened to everything I had to say

Before coming to CHI in 2019, my daughter was experiencing soo many symptoms. She had seen tons of doctors in WV, but was too complex for anyone to find any answers. She has had multiple rare disorders diagnosed by Dr. Abdullah. We are forever grateful for determination to get to the bottom of the problem. There are times you have to wait, but we don't mind because we know she will be giving us the same opportunity to ask questions and have a plan before we leave. The staff are also great, especially Michelle R. the front office supervisor. She is like family to us. Always going above and beyond when we need anything. If you are having a hard time getting answers....I would highly recommend checking out the Children's Heart Institute. read more

Horrible service. We live in California and he refuses to do a televisit or call us on the phone to discuss care. Spent a ton of money traveling back and forth and he won't even call us to discuss. Very disappointed read more

If I could give less than one star, I would. I have a very sick daughter who has been in and out of ERs, imaging facilities, labs and various doctors office for almost 3 years. We finally felt like we were on track with a likely dysautonomia diagnosis. If you want to deal with an office where the doctor is not present for appointments and claims in reports to have examined the patient (when no doctor was even seen), go right ahead. But be prepared to wait for hours to see the doctor if they are there. And be prepared for them to spend less than 10 minutes with you. And even if you tell them that something has been ruled out, they will instruct you to retest for that condition (even though you have already done expensive tests and ruled it out). And check issues for any medication that is prescribed, because they don't look at your chart to see if there are any contraindications, such as asthma. And if you call in about said medicine and the horrific side effects your child is having, don't expect a call back. If you think that scheduling an appointment first thing in the morning (8am) will get you in promptly, you are wrong. We were told we still "wouldn't be seen until 11am when the doctor comes in" and if you schedule at 11am, you have to wait for all the other patients scheduled between 8-11 to be seen before you will be seen. When you get fed up and decide to take your sick child (or yourself) elsewhere else for care, it will take you months to get your records, even if you do as instructed to get them (took us 3). When you do get your records, check them over very carefully. Make sure that the visit notes are accurate and actually those of your child (or yours). Good luck if you ignore these ratings and opt to see for yourself. Life is too short to deal with incompetent physicians and poorly run offices. Your time would be better spent driving to Hopkins, Richmond or Norfolk. read more

Dr Abdellah is not only the children's heart specialist. He is the discoverer of Postural Orthostatic Tachycardia Syndrome (POTS). We came to know him through our own pediatrician and cardiologist doctors who happen to be the best in their fields. Our daughter at the age of 20 started having palpitations, foggy memory, fainting, and general tiredness. We went through several months of scans, MRI, Ultrasound, and blood tests to come to the conclusion the only doctor who can diagnose correctly our daughter's illness was Dr. Abdellah. Before seeing him, she underwent more tests in his office where all his medical professionals were welcoming, comforting, and very professional. Finally, when we met with Dr. Abdellah, he was friendly, attentive, and extremely knowledgeable. He prescribed her an easy-to-follow treatment. Since then, our daughter is feeling very well, managing her health perfectly, and is back to her normal activities. Thanks to Dr. Abdellah and to God for leading us to him read more

If you're looking for a warm and welcoming office for your child to get examined, this is not the place! You would think that when dealing with children and possible heart issues, the staff would be on the chipper side KNOWING they are dealing with kids. I have visited Dr. Barlow's office in Rosedale and in Bel Air dealing with my 5 year old chest complications. Now, Dr. Barlow is not my reason for typing this but his Staff! These 2 women are not the friendliest and a have very dry attitude. I have never, ever have to raise my voice at a doctors office because of how my son was spoken to, but that happen today. Customer service was absent from the moment we called to set the original appointment. If the staff is not talked too or changed, I suggest looking else where. read more

Best care, most knowledgeable doctors. Saved my son's life physically and mentally. Respectful to their young patients and advocates. No other place like it. They take whatever time is required for your child's appt. This is such a relief snd it of course makes the wait sometimes longer, but that only makes sense. No one gets great care in the 6 minutes other practices give. This Practice is an absolute treasure. They cross disciplines, understand and find every heart issue and disorder other doctors miss and have no ego about it. They listen and they care. It is a privilege to know them and being my son to CHI. read more

Now that my son's condition has been corrected by another pediatric cardiologist in the area, am I now up to the challenge of reviewing this despicable practice. My son's primary sent him for an EKG which showed severe issues with his heart. The doctor reading these EKGs was with this practice and said my son needed a follow-up. I was not available for the initial call back and so I called and called and called and called back. You get my point. I left messages for them to call me back and that I needed to schedule an appointment for a follow-up and they never called me back. My husband went in person to their Manassas office on a Thursday and they were closed. We called their other offices in the area and they told us that we had to speak to the Manassas office. Yes, these other offices actually answered their phone. FINALLY GAVE UP. We proceeded with the only other pediatric cardiologist in our area and they were so kind and receptive to getting our 15 year old son to be seen. He has now had his now life saving procedure and is doing well. PLEASE DON'T WASTE YOUR TIME WITH THIS PRACTICE. I don't know if the doctors are good as we never got to see them. Can you imagine getting to see them and never being able to have a follow-up? We wasted so much time in just trying to contact them. read more