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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
856 total reviews

Dr. Brendan Sullivan always appreciates feedback from his valued patients. To date, we’re thrilled to have collected 856 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.

Norma G.
5/5 Star Rating
Submitted 12/02/23
Dr. Sullivan has been my mom's heart doctor for years. The staff and Dr. Sullivan has always kept us informed, explained all test results in detail, and always kept my mother's wishes. Lisa and Jessica (office staff) were always so kind and patient with my mom. Up until my mom's passing, Dr. Sullivan was by her side. I can't thank you enough.
Carlos G.
5/5 Star Rating
Submitted 11/27/23
Doctor Brendan Sullivan, and his staff are awesome. Doctor Sullivan makes you feel at easy, he is very thorough when explaining things about your health to you. He’s caring and a great listener as well, and makes he’s patients a priority. The office setting is really calm, and he’s staff are really nice and helpful. Overall really happy with Dr. Sullivan’s practice. Five Stars!
Guido F.
5/5 Star Rating
Submitted 11/10/23
Extremely thorough and caring treatment
Thomas S.
5/5 Star Rating
Submitted 11/05/23
Great Doctor and Staff. Dr. Sullivan always takes the time to listen to your concerns and explains procedures and results very clearly. The office staff is very attentive and helpful.
Karen L.
5/5 Star Rating
Submitted 10/30/23
All went well as expected
Jason K.
5/5 Star Rating
Submitted 10/28/23
Great experience as always. Short wait, pleasant staff and Dr. Sullivan takes all the time needed to discuss your concerns.
Ronald M.
5/5 Star Rating
Submitted 10/26/23
very informative & helpful
Javier F.
5/5 Star Rating
Submitted 10/24/23
very profesional
Matthew P.
5/5 Star Rating
Submitted 10/23/23
Always pleased!
Miroslava B.
5/5 Star Rating
Submitted 10/22/23
I love Dr. Sullivan & his staff... This from someone who doesnt like visiting Doctors is high praise indeed. Dr. Sullivan is very comforting ' knowledgeable ' caring & supportive. I enjoy interacting with him & secure that his advice is on point.
Garry K.
5/5 Star Rating
Submitted 10/20/23
Great Dr and staff
Josephine C.
4/5 Star Rating
Submitted 10/20/23
I had to wait a little longer than usual, however Dr. Sullivan took his time when it was my turn which I greatly appreciated.
Henry P.
5/5 Star Rating
Submitted 10/17/23
Excelente
Angel R.
5/5 Star Rating
Submitted 10/16/23
Office visit as always a great pleasure, friendly and courtous staff, little to no waiting time before being seen, all my questions and concerns were answered by Dr. Sullivan
Noel S.
5/5 Star Rating
Submitted 10/15/23
Dr. Sullivan is the best. His staff is extremely attentive and he makes you feel like family. Wonderful bedside manner. I trust Dr. Sullivan whole heartedly.
Lena W.
5/5 Star Rating
Submitted 10/12/23
Caitlin was very thorough
Mario A.
5/5 Star Rating
Submitted 10/07/23
Excellent doctor. Worth my long trip to see him.
Jade K.
5/5 Star Rating
Submitted 10/01/23
Always a delight to visit and talk to my doctor. The staff is always friendly and courteous.
Alan K.
5/5 Star Rating
Submitted 09/23/23
Dr Sullivan is caring, thorough and an excellent cardiologist. Between he and my interventionist I truly believe they saved my life!
Beverly M.
5/5 Star Rating
Submitted 09/17/23
Best best