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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.

Carmelita R.
5/5 Star Rating
Submitted 07/21/23
Everyone in the facility is exceptional with dealing with all my issues. From Liza to Jessica and of course Dr Sullivan. They are all very courteous and professional . I will recommend this practice to my friends.
George K.
5/5 Star Rating
Submitted 07/20/23
Excellent!
Clementina V.
5/5 Star Rating
Submitted 07/19/23
Good
Edward I.
5/5 Star Rating
Submitted 07/19/23
Fast and informative
Gladys P.
5/5 Star Rating
Submitted 07/17/23
Great doctor who knows my issues and listens to my concerns.
Jennifer C.
5/5 Star Rating
Submitted 07/13/23
Very friendly staff and the wait was minimal. Very positive experience.
Andrew K.
5/5 Star Rating
Submitted 07/12/23
Excellent
Beverly M.
5/5 Star Rating
Submitted 07/11/23
Very good
Francine B.
5/5 Star Rating
Submitted 07/09/23
Dr.Sullivan is bright, kind, patient and an overall great doctor.
Silvana C.
5/5 Star Rating
Submitted 06/30/23
The best doctor because he is very caring and explains the test results. I’m very please to have met Dr. Sullivan.
Nora H.
5/5 Star Rating
Submitted 06/24/23
Dr Sullivan always takes time to explain everything, and answer any questions you might have. The staff is always do friendly and helpful, as well .
Carmelita R.
5/5 Star Rating
Submitted 06/23/23
The doctor is very pleasant to talk to. Always addresses the issues i present to him. The staffs are all very professional and nice.
Denise J.
5/5 Star Rating
Submitted 06/22/23
On time, thorough, and professional. Dr Sullivan allows time to discuss any patient concerns or questions.
David C.
5/5 Star Rating
Submitted 06/21/23
I am always completely pleased with my visits.
Concetta S.
5/5 Star Rating
Submitted 06/21/23
Very pleasant and professional
Awilda A.
5/5 Star Rating
Submitted 06/20/23
Been seeing him for 15 an a half years. Always on point.
Frank S.
5/5 Star Rating
Submitted 06/20/23
Thank you Dr Sullivan for your excellent health care your vast knowledge is impressive. Dr Sullivan and staff are exceptionally helpful caring and thorough. Highly recommend to family and friends
Brian T.
5/5 Star Rating
Submitted 06/15/23
Very pleasing experience
Susan G.
5/5 Star Rating
Submitted 06/15/23
Love going to this office! All of the staff are so kind and doctor visit is always great!
Peter C.
5/5 Star Rating
Submitted 06/14/23
Dr. Sullivan is a great Dr. He is 5 Star Dr…for sure! My wife and I have been seeing him for years. He continues to be very professional and accommodating! His office staff are like family… hats off to Dr. Sullivan!