The reviews listed below were collected independently of The Heart House through rater8. Each review represents an authentic and verified patient experience.
Excellent Doctor,
Very thorough with his explanations and answering any questions.
(1 week ago)
Jan-2026
John was very thorough, explained everything in language anyone could understand. Is down to earth and personable,
(1 month ago)
Jan-2026
Thank you
(1 month ago)
Jan-2026
Great office visit. Everyone there was helpful and friendly. Dr Costello explained everything to me and what needed to be done. I felt very comfortable there.
(1 month ago)
Dec-2025
Excellent patient care
(1 month ago)
Dec-2025
He is always going good info ,so you can make a educated decision. Very professional. Good doctor!
(2 months ago)
Nov-2025
Excellent bedside manner . Good communication skills.
(3 months ago)
Nov-2025
Always a pleasure to see Dr. Costello. Takes time to listen and explain.
(3 months ago)
Nov-2025
Friendly and knowledgeable
(3 months ago)
Oct-2025
Great Doctor who took the time to explain everything in detail
Excellent Doctor, Very thorough with his explanations and answering any questions.
John was very thorough, explained everything in language anyone could understand. Is down to earth and personable,
Thank you
Great office visit. Everyone there was helpful and friendly. Dr Costello explained everything to me and what needed to be done. I felt very comfortable there.
Excellent patient care
He is always going good info ,so you can make a educated decision. Very professional. Good doctor!
Excellent bedside manner . Good communication skills.
Always a pleasure to see Dr. Costello. Takes time to listen and explain.
Friendly and knowledgeable
Great Doctor who took the time to explain everything in detail