{"distribution":{"1":{"rating_count":2,"rating_percentage":1.26,"review_count":0},"2":{"rating_count":1,"rating_percentage":0.63,"review_count":0},"3":{"rating_count":1,"rating_percentage":0.63,"review_count":0},"4":{"rating_count":1,"rating_percentage":0.63,"review_count":0},"5":{"rating_count":154,"rating_percentage":96.86,"review_count":65}},"average_rating":"4.884277","rating_count":"159","source_url":null,"reviews":[{"body":"My first time seeing this doctor. He is very professional and went over my options and we talked about it to see I agreed with the idea or not. A very good listener and explanation was easy for me to comprehend. The doctor understood I have had severe brain injuries. Took his time and answered all my questions. A+++ Rating.","review_date":"2026-08-04"},{"body":"Excellent","review_date":"2026-08-02"},{"body":"I found the doctor to be so knowledgeable and so at ease talking about what he knew. It made me feel at ease. And he respected me and treated me with kindness and did a not, he did not talk down to me. And I appreciated that because that is unusual for me, my experience with heart doctors in the past. So I was extremely impressed by Dr. Mazzini .","review_date":"2026-07-22"},{"body":"If needed, very confident in this provider","review_date":"2026-07-18"},{"body":"Dr Mazzini is very courteous, knowledgeable and caring.","review_date":"2026-07-25"},{"body":"They were very knowledgeable and explained everything excellent","review_date":"2026-07-11"},{"body":"Dr. Mazzini was easy to talk to, and he explained the procedure I am to have. He gave me some insight and what to expect form the ablation.","review_date":"2026-07-07"},{"body":"Excellent office, nurse, and Dr. Thank you, very much","review_date":"2026-07-06"},{"body":"Outstanding team of professionals, don't fix anything","review_date":"2026-06-24"},{"body":"This doctor was very thorough, very caring and answered all the questions that we had to ask and he told us some things that we didn't know very very informative. Seems very nice.","review_date":"2026-06-23"},{"body":"This was my first visit with Dr. Mazzini. I was really impressed by his caring manner. I felt heard. He explained the next steps in the treatment plan in a clear manner and answered my questions. I feel very fortunate that I was referred to him.","review_date":"2026-06-23"},{"body":"The doctor was thorough, informative and caring.","review_date":"2026-06-21"},{"body":"Friendly, experienced in his field, willing to search records for unknown old results, seemed genuinely interested in trying to provide the best plan of care.","review_date":"2026-06-13"},{"body":"I have total confidence and respect for Dr Mazzini.","review_date":"2026-06-07"},{"body":"Feel very lucky to be a patient of Dr.Mazzini. His guidance, care, and surgical skills have been life changing for me. A good man with a great gift that listens and cares.","review_date":"2026-06-07"},{"body":"Dr. Mazzini was very kind and compassionate throughout my appointment. It was our first appointment and left me feeling very optimistic about my situation and felt like I was in good hands.","review_date":"2026-05-28"},{"body":"Great job","review_date":"2026-05-25"},{"body":"Dr. Mazzini is the best!!","review_date":"2026-05-23"},{"body":"This was my first appointment with this provider. I am happy with him","review_date":"2026-05-18"},{"body":"answered all questions and very personable","review_date":"2026-05-17"},{"body":"Very good care was provided. Appreciate getting this level of treatment outside of Boston. Great experience that I am thankful for each visit.","review_date":"2026-05-10"},{"body":"Dr Mazzini was/is superb...he called me after 5 PM on a Friday and told me he would get me in to see him on Tuesday...I was called on Monday for the Tuesday appt...such a nice guy and extremely professional...after our visit he made a call to Radiology and a CT scan was organized for the following day...the same day I was scheduled for an ablation at MGH on [redacted]...just an unbelievable turnaround...so wonderful...","review_date":"2026-05-03"},{"body":"Dr Mazzini has been my physician for over 5 years. He has treated my AFIB. I trust him wholeheartedly. Lucky to have him as my cardiac doctor.","review_date":"2026-05-03"},{"body":"Calming demeanor, explained the options well.","review_date":"2026-04-18"},{"body":"Perfect first meeting","review_date":"2026-04-15"},{"body":"Excellent first visit with this provider. Very engaging very thorough. All questions were answered and good rapport. Feel very confident with this treating physician.","review_date":"2026-04-12"},{"body":"I have the upmost confidence in Dr. Mazzini's overview of my cardiac care. He always makes the most of my time with him by thoroughly reviewing all of the tests with me and answering any questions I may have. He genuinely cares about my quality of life. I am very grateful to have him on my healthcare team.","review_date":"2026-04-08"},{"body":"Caring,dedicated,talks to the patient in a calm and concerning fashion","review_date":"2026-04-06"},{"body":"He is superb. He is a physician's physician.","review_date":"2026-04-06"},{"body":"Dr. Mazzini is a very thorough, intelligent, and caring physician.","review_date":"2026-03-22"},{"body":"Excellent","review_date":"2026-03-23"},{"body":"Excellent, kind, and thorough.","review_date":"2026-03-12"},{"body":"Dr. Mazzini was amazing! He listened to me and most importantly carefully and thoroughly explained my condition in a way I could understand! He is caring, thoughtful and professional!","review_date":"2026-03-08"},{"body":"It was a great experience all around.","review_date":"2026-02-28"},{"body":"Dr was personable, friendly, and thorough. I felt quite confident in his care.","review_date":"2026-02-08"},{"body":"That he listened carefully and helped with all health concerns","review_date":"2026-02-02"},{"body":"Competent, caring, professional in the best way, responsive to my input.","review_date":"2026-02-02"},{"body":"I felt comfortable and accepted during my entire visit.","review_date":"2026-01-19"},{"body":"Great","review_date":"2026-01-11"},{"body":"I am glad that I waited to schedule an appointment with him.","review_date":"2026-01-11"},{"body":"Dr Mazzini is an excellent provider. Caring and knowledgeable.","review_date":"2026-01-05"},{"body":"The provider was absolutely wonderful !","review_date":"2026-01-04"},{"body":"Everyone is great.","review_date":"2025-12-17"},{"body":"Great doc. Patient and helpful, solicits my questions.","review_date":"2025-12-14"},{"body":"The doctor understood my concerns and explained very clearly my options","review_date":"2025-12-08"},{"body":"I was very impressed with Dr Mazzini. He was very attentive to my concerns and gave me feedback when I asked him questions. He's very knowledgeable and very kind. I would definitely recommend him to someone that has cardiac issues and concerns.","review_date":"2025-12-01"},{"body":"I have been a patient of Dr. Mazzini for several years and each of my visits with him is world class. He listens to what I have to say and explains in great detail my health condition and test results.","review_date":"2025-11-30"},{"body":"Very happy with treatment and care I've received here. [redacted]","review_date":"2025-11-23"},{"body":"I cannot say enough good things about the wonderful care my husband received God bless you all","review_date":"2025-11-05"},{"body":"Very professional.And to the point seems to really know exactly what he's talking about.And what I needed","review_date":"2025-11-02"},{"body":"excellent, I liked a lot and liked how he explained ev","review_date":"2025-10-22"},{"body":"Timely, Pleasant and Professional. Very nice and comfortable to talk to.","review_date":"2025-10-20"},{"body":"He provided the most detailed and clearly understandable explanations of pvc's I have ever had. Much appreciated.","review_date":"2025-10-19"},{"body":"I am very happy that I got hooked up with Dr. Mazzini... He spoke in a way that I could understand what he was saying, and he did not speak too quickly for my comprehension abilities! I feel very comfortable following his recommended plan and hope to continue my care with him as I will most likely be an ongoing cardiology patient thank you!","review_date":"2025-10-18"},{"body":"Dr. Mazzini was absolutely amazing, he made me feel very comfortable and took the time to answer all my questions.","review_date":"2025-10-14"},{"body":"Very personable and wants to help manage my condition. Doesn't make you feel rushed.","review_date":"2025-10-12"},{"body":"Very happy with the people I met","review_date":"2025-10-12"},{"body":"Inspires confidence in his style and with his knowledge.","review_date":"2025-10-08"},{"body":"The electrophysiologist, Dr Mazzini, was well prepared. He had gone through the written material that was supplied by my regular cardiologist, I felt, regarding office visits, tests and results.He then ordered a test to be done to make sure a pacemaker was going to be the very best treatment for me. I felt at ease during my visit with him and thought he did the best with everything available to him and me in regard to preparation, operation and outcome of an eventual pacemaker insertion in the near future.","review_date":"2025-10-06"},{"body":"I was glad to have an appt. with Dr. Mazzini, as he is also my husband's doctor, even though I had to wait a while for an appt. I wasn't in a hurry. I like his attentive and down-to-earth manner.","review_date":"2025-10-07"},{"body":"Very pleasant, caring, and very knowledgeable.","review_date":"2025-09-29"},{"body":"Dr Mazzini was terrific and made me as a new patient feel very comfortable","review_date":"2025-09-28"},{"body":"In my view, Dr. Mazzini creates a very comfortable atmosphere for a medical examination. He takes the time to explain his findings in a thoughtful manner, and he invites questions to insure a thorough understanding of any areas of concern. I think it is also important to compliment the support staff in the office. I found them to be courteous, attentive and very helpful. Thank you.","review_date":"2025-09-24"},{"body":"Very professional and courteous.","review_date":"2025-09-22"},{"body":"Very pleasant, knowledgeable and treated me with respect.","review_date":"2025-09-14"}]}