About Justin Gainor, MD

Treats:

Locations

Mass General Cancer Center: Thoracic Oncology
55 Fruit St.
Boston, MA 02114
Phone: 877-726-5130

Medical Education

  • MD, Harvard Medical School
  • Residency, Massachusetts General Hospital
  • Fellowship, Brigham and Women's Hospital

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.

Reviews: Comments and Ratings

4.9out of 5(89 Ratings, 37 Comments)

March 2025

Dr Gainor is the best. Kind,calm and open to explain.


March 2025

He is an outstanding medical professional and exceptionally knowledgeable, caring and helpful .


March 2025

Dr. Gainor is very reassuring to someone like me that has cancer and is doing well. And he reassures me that about my tests and about the scans and that I shouldn't worry and live my life. And it's so reassuring because he knows everything about me at this point. So that's why all my numbers are 10. Thank you.


March 2025

I was very comfortable with Dr. Gainor. He presented himself in a pleasant yet professional manner and I really felt comfortable. I think I said that already. Anyway, yeah, I did. Thank you.


March 2025

He is a good Dr.


February 2025

Outstanding listener. Never rushed any conversation


February 2025

It's been 10 years that Dr Gainor has been my Doctor. He's been a Blessing. Because of him, I'm still loving life with my Family, especially with my GrandBabies, [redacted] He, the Nurses & Medical Team are always in my Prayers.


January 2025

As always, Dr. Gainor always shows concern about my health..


January 2025

I valued the experience of these providers!


January 2025

I am so fortunate to have Dr. Gainor and his team! He is thoughtful, knowledgeable, and without a doubt the best healthcare professional I have ever encountered

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