{"distribution":{"1":{"rating_count":0,"rating_percentage":0,"review_count":0},"2":{"rating_count":1,"rating_percentage":0.63,"review_count":1},"3":{"rating_count":2,"rating_percentage":1.26,"review_count":0},"4":{"rating_count":5,"rating_percentage":3.14,"review_count":1},"5":{"rating_count":151,"rating_percentage":94.97,"review_count":68}},"average_rating":"4.901887","rating_count":"159","source_url":null,"reviews":[{"body":"Dr. Keaney is excellent!","review_date":"2026-08-09"},{"body":"Dr. Keaney is a knowledgeable and kind physician. He is professional as well as compassionate. I don't think anyone could surpass him.","review_date":"2026-08-08"},{"body":"Was impressed with the professionalism of everyone on the staff, icluding the doctor","review_date":"2026-08-08"},{"body":"Very open, caring and thorough.","review_date":"2026-08-07"},{"body":"Dr. Keaney had obviously taken the time to review relevant information in my medical record prior to my appointment. He explained his assessment and the basis for it in easily understood terms.","review_date":"2026-08-05"},{"body":"Dr. Keaney did a great job listening to all of my concerns and explaining everything very clearly. He also touched on other aspect of cardiac health and prevention not related to my valve issue. I left the visit feeling extremely satisfied and confident in the plans we agreed to. A great experience in all respects.","review_date":"2026-08-05"},{"body":"Everything went great. Had a great experience","review_date":"2026-08-04"},{"body":"I was concerned about an EKG I was given at another facility that had raised concerns. Dr. Keaney addressed the findings, and made me much more at ease with my diagnosis.","review_date":"2026-08-02"},{"body":"The provider was outstanding. He listened to my story and provided outstanding advice.","review_date":"2026-07-31"},{"body":"Dr. Keaney is an outstanding physician","review_date":"2026-07-22"},{"body":"Dr. Dr. Keaney chief of cardiovascular medicine at the Brigham is both a fantastic doctor (cardiologist) and amiable person who reaches out to the patient in every possible way both from a medical and a personal point of view. His vast experience supplements his impeccable judgment in terms of all aspects of complex cardiovascular care.","review_date":"2026-07-22"},{"body":"He was kind, patient and did explain everything very well.","review_date":"2026-07-22"},{"body":"Excellent care","review_date":"2026-07-22"},{"body":"I was treated very well","review_date":"2026-07-18"},{"body":"This provider was attentive and knowledgeable.","review_date":"2026-07-09"},{"body":"He was knowledgeable and took time to answer and explain my many questions .","review_date":"2026-07-06"},{"body":"Dr Keaney was very thorough and extremely nice","review_date":"2026-06-20"},{"body":"Provided a different perspective Regarding taking medication a little Bit at a time. Instead of giving me 2 or 3 at a time","review_date":"2026-06-20"},{"body":"Hi, I felt very courteous and professional, the whole staff and the doctor, and it was a very good experience.","review_date":"2026-06-18"},{"body":"Very professional and had good ideas for my care.","review_date":"2026-06-13"},{"body":"This doctor is very knowledgeable and helpful.","review_date":"2026-06-13"},{"body":"Dr. Keaney was personable and professional. It was my first visit and he was reassuring and calming. He was conscious of my comfort and comprehension. He discussed treatment and my thoughts and We proceeded in a manner amenable to all.","review_date":"2026-06-11"},{"body":"First time visit with Dr. Keaney and it was wonderful to meet with a professional who listens and cares about your health. Excellent, relatable feedback with clarity for patient who is not in the medical world. I was so pleased with this visit and feel confident with the direction of my health plan.","review_date":"2026-06-10"},{"body":"I thought Dr. Keaney was very knowledgeable. He listened to me and was very helpful. I am glad that I saw him.","review_date":"2026-06-08"},{"body":"Dr. Keaney has seen me many times and I am very satisfied being in his care.","review_date":"2026-06-06"},{"body":"Dr. Keaney is a very nice doctor. Thank you.","review_date":"2026-06-05"},{"body":"He was kind and very informative. He is the first cardiologist I have ever seen and he met all my needs.","review_date":"2026-06-04"},{"body":"I found Dr Keaney to be very knowledgable and a good listener. He explained the plan going forward very well and then took the time to answer my questions. My husband was with me for this appointment. We both liked him.","review_date":"2026-05-20"},{"body":"I have nothing to say they were all very good and my appointment was very good","review_date":"2026-05-19"},{"body":"Excellent; thoughtful, compassionate","review_date":"2026-05-21"},{"body":"Thank you!","review_date":"2026-05-16"},{"body":"Dr Keaney listened to me intently and my concerns very carefully and provided satisfactory answers. He didn't rush me out. He was very patient as always.","review_date":"2026-05-13"},{"body":"Best doctor","review_date":"2026-05-09"},{"body":"Dr. John Keeney is a wonderful human being and a fantastic clinician. I could not ask for a more caring, professional, capable, and responsive cardiologist. He is absolutely wonderful and I feel very lucky to have him as my physician.","review_date":"2026-05-01"},{"body":"This was the first time I've seen Dr. Keaney. He was no nonsense. We hit it right off. He explained things perfectly. I would absolutely recommend him to anyone else.","review_date":"2026-05-01"},{"body":"Dr. Keaney was very helpful to set my mind at ease about the plaque in my arteries. He saved me from feeling like I needed to get a stent or two soon.","review_date":"2026-04-19"},{"body":"Excellent","review_date":"2026-04-16"},{"body":"I have seen this doctor annually for the three years since heart surgery and he has treated and encouraged me to keep my heart failure under control. I would recommend him highly.","review_date":"2026-04-15"},{"body":"Dr was just great!","review_date":"2026-04-09"},{"body":"A+++++++experience. excellent communicator empathetic skills I am very pleased to be his patient","review_date":"2026-03-26"},{"body":"I believe I am getting the best care possible.","review_date":"2026-03-25"},{"body":"Thorough history and discussion.","review_date":"2026-03-11"},{"body":"Dr. Keaney is an excellent professional. He is knowledgeable, kind and respectful.","review_date":"2026-03-04"},{"body":"He was wonderful and I thought he was the best doctor that I've seen in years.","review_date":"2026-03-04"},{"body":"Both the Staff and the Doctor were friendly, timely and explained things well. I waited months for this appointment but left feeling like it was worth the wait.","review_date":"2026-02-17"},{"body":"I feel incredibly fortunate to reside in the Boston area and be able to access the wonderful medical professionals, like Dr. John Keaney, at MGB.","review_date":"2026-02-12"},{"body":"The doctor's demeanor made the entire visit very positive","review_date":"2026-02-11"},{"body":"Great","review_date":"2026-01-29"},{"body":"Dr. Keaney is simply wonderful. In addition to being extremely knowledgeable, he is also a very kind person with a good bedside manner. Thank you.","review_date":"2026-01-24"},{"body":"Excellent visit","review_date":"2026-01-14"},{"body":"Always good","review_date":"2026-01-14"},{"body":"He is one of the best doctors I have had in my life. Very lucky to be in his care.","review_date":"2026-01-14"},{"body":"Dr. Keaney is pleasant and caring!","review_date":"2026-01-08"},{"body":"Dr. Keaney is an excellent cardiologist, easy to communicate with and I know he genuinely cares about my best health and wellness. [redacted]","review_date":"2025-12-29"},{"body":"This doctor seems very caring and very interested in.You know, maintaining your health","review_date":"2025-12-20"},{"body":"I am very fortunate to have Doctor Kearney as my cardiologist. He is the best!!","review_date":"2025-12-16"},{"body":"Doctor went over my test results for the appointment and also mentioned my previous history test with my primary care provider","review_date":"2025-12-11"},{"body":"Dr. Keaney has been my cardiologist for three years and he is a very dedicated and knowledgeable expert. [redacted] Thanks Dr. Keaney! You are the best cardiologist","review_date":"2025-12-11"},{"body":"Excellent","review_date":"2025-11-20"},{"body":"Dr Keaney was well apprised of my background. He explained his course of treatment well and was very personable.","review_date":"2025-10-30"},{"body":"Dr. Keaney is very thorough. I feel that he is providing me with the best cardiac care possible.","review_date":"2025-10-30"},{"body":"Dr. Keaney was very courteous knowledgeable and gave me a thorough exam.","review_date":"2025-10-28"},{"body":"\"As good as it gets\" experience & thorough thoughtful expert exam & evaluation","review_date":"2025-10-26"},{"body":"Best","review_date":"2025-10-26"},{"body":"I felt very seen and heard by Dr. Keaney. He was attentive to my concerns and symptoms and my medical history. He seems to be invested in finding answers and coming up with a plan for my care and that is very refreshing.","review_date":"2025-10-08"},{"body":"He was very down to earth and made me feel comfortable","review_date":"2025-10-08"},{"body":"Very professional and explained everything to me very precisely.","review_date":"2025-10-02"},{"body":"Dr. Keaney is terrific. I look forward to seeing him again next year. He not only is very knowledgeable and highly professional, but I simply enjoy talking to him. Please pass my thanks along to him.","review_date":"2025-09-24"},{"body":"Dr. Keaney is always prepared, has reviewed my past and current history and reviews everything with me. I always feel well informed and well cared for.","review_date":"2025-09-24"},{"body":"Very knowledgeable friendly and caring doctor","review_date":"2025-09-10"}]}