Testimonials & Reviews

Brendan Sullivan, MD, FACC

Board Certified in Internal Medicine, Board Certified in Cardiology & Board Certified in Nuclear Cardiology located in Clifton, NJ & Ridgewood, NJ

4.92/5 Star Rating

772 total reviews

Dr. Brendan Sullivan always appreciates feedback from his valued patients. To date, we’re thrilled to have collected 772 reviews with an average rating of 4.92 out of 5 stars. Please read what others are saying about Dr. Brendan Sullivan below, and as always, we would love to collect your feedback.

Peter S.

5/5 Star Rating

Submitted 05/02/23

Very Very good

Lena W.

5/5 Star Rating

Submitted 05/02/23

Dr Sullivan's very thorough takes the time to answer your questions and explains thoroughly he's friendly has good bedside manners and his staff is wonderful

Joseph B.

5/5 Star Rating

Submitted 05/01/23

Very helpful. Dr Sullivan and staff are great. They did all the leg work for me by making other appointments, otherwise I would have to call my insurance to find out who is in network. I highly recommend him.

John S.

5/5 Star Rating

Submitted 05/01/23

Super thoughtful and thorough. You’ll be in great hands with Dr.Sullivan.

Suzanne K.

5/5 Star Rating

Submitted 04/30/23

Dr. Sullivan was very thorough reviewing the results of my ECHO with me. Thank you!

John T.

5/5 Star Rating

Submitted 04/28/23

Patient always comes first and spends as much time as needed with you.

William M.

5/5 Star Rating

Submitted 04/26/23

Dr. Sullivan and staff are always attentive. A great team.

Alonzo D.

5/5 Star Rating

Submitted 04/26/23

Good

Valerie R.

5/5 Star Rating

Submitted 04/25/23

Dr Sullivan is always friendly, caring and thorough.He takes time to listen and respond to all your concerns.Office staff is friendly and always very accommodating.

Angelica F.

5/5 Star Rating

Submitted 04/24/23

Very good!

Jade K.

5/5 Star Rating

Submitted 04/22/23

Professional, courteous and thorough. Pleasant and clean atmosphere. Great staff. Yours truly, Jade J.C.Kessel.

Garret O.

5/5 Star Rating

Submitted 04/20/23

Tops as always Little waiting In on time and very detailed experience from the Staff and Dr Sullivan

Cesar G.

5/5 Star Rating

Submitted 04/20/23

Just a great doctor , his staff is wonderful..

Donato L.

5/5 Star Rating

Submitted 04/19/23

Everything was good Had a good talk with the doctor

Stephen S.

5/5 Star Rating

Submitted 04/15/23

Doctor Sullivan was diligent during the entire exam.

Bonnie E.

5/5 Star Rating

Submitted 04/14/23

The doctor took his time and is a very good listener

Anne C.

5/5 Star Rating

Submitted 04/13/23

Excellent, very thorough, and took time to answer questions.

Jeni A.

5/5 Star Rating

Submitted 04/12/23

Dr Sullivan is very friendly and thorough! Staff are friendly and very efficient. Great office overall!!

Aurelia I.

5/5 Star Rating

Submitted 04/12/23

Dr. Sullivan is very professional, thorough, and caring. Great and friendly staff.

Mary L.

5/5 Star Rating

Submitted 04/10/23

Very professional, friendly, thorough and quick service! Highly recommend Dr. Sullivan and his Team!