{"distribution":{"1":{"rating_count":0,"rating_percentage":0,"review_count":0},"2":{"rating_count":0,"rating_percentage":0,"review_count":0},"3":{"rating_count":0,"rating_percentage":0,"review_count":0},"4":{"rating_count":1,"rating_percentage":1.14,"review_count":0},"5":{"rating_count":87,"rating_percentage":98.86,"review_count":30}},"average_rating":"4.959091","rating_count":"88","source_url":null,"reviews":[{"body":"Feel they are doing the best they can","review_date":"2026-07-29"},{"body":"Very satisfying","review_date":"2026-07-16"},{"body":"I am grateful for Dr. Gainor's expertise and understanding.","review_date":"2026-07-15"},{"body":"Justin Gainor the doctor was terrific. Very knowledgeable. Spent this time with me. Explain things to me. I believe that he when I left there. Not only a good doctor but a caring person and that meant a lot to me. He was a terrific guy and Doctor. I can't say enough about him","review_date":"2026-07-05"},{"body":"Dr. Gainor is very kind, considerate, and very generous with his time. He's explicit. He doesn't sugarcoat things. He tells me the truth. I appreciate him.","review_date":"2026-07-03"},{"body":"Very good has a great bed side manner","review_date":"2026-06-27"},{"body":"The oncologist was very positive and optimistic which makes it easier or me to keep my health","review_date":"2026-06-26"},{"body":"Great experience!!","review_date":"2026-06-21"},{"body":"Dr. Gainor was very thorough and clear with his explanations. It has been a pleasure working with him.","review_date":"2026-06-16"},{"body":"My doctor is a caring and informed provider. He is interested in the whole patient, not just the issue I am seeing him for. I trust him with my care.","review_date":"2026-06-09"},{"body":"Dr Gainor and Dr [redacted] both needed more information to evaluate my condition. They both were very professional. I felt a sense of relief that they will take care of me. I left there with hope.","review_date":"2026-05-12"},{"body":"I feel so lucky to have the care that I do from Dr. Gainor and Dr. [redacted] and their team.","review_date":"2026-05-07"},{"body":"Dr. Gainor is a great doctor","review_date":"2026-05-07"},{"body":"I am very happy with my care provider. The day I had my consultation with him and some of his team I was very happy knowing that he would be my care provider.","review_date":"2026-05-06"},{"body":"He was easy to talk too and understood me","review_date":"2026-03-18"},{"body":"This care provider is very respectful, courteous and in tune with your needs","review_date":"2026-03-04"},{"body":"For the past 10 years I have felt comfortable, confident & well taken care of by Dr Gainor and his staff.","review_date":"2026-02-26"},{"body":"The provider is exceptional. He has a wealth of knowledge which he presents with a gentle manner. This provider is someone that is a compliment to MGH","review_date":"2026-02-18"},{"body":"I feel very lucky to have the team at MGB","review_date":"2026-02-10"},{"body":"I just wanted to say my experience with this provider and my doctor, they're very, how do I say that? They're just wonderful, wonderful people. I'm very comfortable with my doctor and with the nurse. Always have been, I have no complaints with any of them. They're great, both of them. All right, thank you. And again, I have the best providers, best doctors in that hospital. I love that hospital. Thank you.","review_date":"2026-01-30"},{"body":"Top notch","review_date":"2026-01-28"},{"body":"I'm extremely happy with him, he answers all my questions, and never rushes through our visit.","review_date":"2026-01-28"},{"body":"Very compassionate, helpful and knowledgeable","review_date":"2026-01-08"},{"body":"Dr. Gainor was compassionate, caring and took the time to explain my diagnosis in a way that is easy to understand. He listened to us and responded to all of our questions and concerns. He spent as much time with us as needed to address everything we asked. I can't recommend Dr. Gainor enough. I feel incredibly grateful for him and his whole care team who communicates with us and makes us feel like I am important person, not just another patient. In this world. this is priceless and we appreciate him!! Thank you Dr. Gainor!","review_date":"2025-12-31"},{"body":"I go to the mass General every day for treatment and I get the best care possible kind and considerate staff","review_date":"2025-12-24"},{"body":"Dr. Gainor explained things very much in depth and in a way that I had not heard before and I appreciated him going into more detail than I had heard before.","review_date":"2025-12-11"},{"body":"Dr. Gainor is thorough, easy to talk to and explains things very well.","review_date":"2025-11-28"},{"body":"Dr. Gainor definitely deserves the name doctor. He has treated my cancer for a couple of years and since it has been gone he is doing a great job of keeping on top of the situation. I have no worries at all concerning him or the office he works in. That includes nurses and other support staff.","review_date":"2025-10-09"},{"body":"I am very, very happy with Dr. Gainor and the rest of the team. Everyone put my mind at ease.","review_date":"2025-09-28"},{"body":"Talked in layman's terms to define medical terms","review_date":"2025-09-10"}]}