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J Mathieu Massicotte

J Mathieu Massicotte, MD

Urology

Mass General Brigham

Highlights

Age Groups Seen

  • Adults

Languages

  • French
  • English

Gender

Male

About J Mathieu Massicotte

Dr. Massicotte received his B.A. Degree in Physics from the College of the Holy Cross. His thesis was awarded the Crompton Gold Medal for Science Research. After teaching mathematics and coaching at the high school level, he received his medical degree at the Yale University School of Medicine. His internship and residency training in General Surgery were at the Massachusetts General Hospital, and his Urology training was at the Boston Children's Hospital and the Lahey Clinic in Burlington, Massachusetts. He then practiced general urology in private practice for 20 years before joining the Massachusetts General Urology Department. He is interested in the development of medical devices and has been awarded US Patents.

Locations

  1. Massachusetts General Urology Clinic
    • 104 Endicott Street, Medical Office Building, Suite 200, Danvers, MA 01923
    • Get Directions
  2. Massachusetts General Urology Clinic

Expertise

Education

  • Residency: Lahey Clinic Hospital, Urology, 1998
  • Residency: Massachusetts General Hospital, General Surgery, 1994
  • Medical Education: Yale University School of Medicine (Connecticut), 1992

Board Certifications

  • Urology: American Board of Urology, 2001

Insurance

Search plans
  • Aetna
  • Beech Street
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield Medicare
  • Cigna
  • Commonwealth Care Alliance
  • Coventry
  • Fallon Health
  • Harvard Pilgrim Health Care
  • Humana
  • Maine Community Health Options
  • Mass General Brigham Health Plan
  • Mass Health
  • MassHealth
  • Medicaid CT
  • Medicaid ME
  • Medicaid NH
  • Medicaid RI
  • Medicaid VT
  • Medicare
  • Medicare ACO
  • Multiplan
  • Railroad Medicare
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Tufts Medicare Preferred
  • United Health Care
  • Wellpoint
  • WellSense
  • WellSense NH

Ratings & Reviews

4.8 out of 5

478 ratings, 163 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Search reviews
  • Reviewed on 7/6/2026

    Excellent service as always

  • Reviewed on 7/4/2026

    Very impressed

  • Reviewed on 7/4/2026

    Very good ! Very Professional !

  • Reviewed on 7/3/2026

    He was good. The only thing, if he would have been better had he elaborated more on the side effects, side effects he had given me that sexual drive will drop. [redacted]

  • Reviewed on 7/1/2026

    stressful procedure glad it's over

  • Reviewed on 6/28/2026

    Dr.Massicotte is very good and I love him ??????????????????????????????????

  • Reviewed on 6/25/2026

    [redacted] the M.D. was terrific and when I finally got my test with him, he was thoughtful, approachable, and respectful.........and skillful!

  • Reviewed on 6/24/2026

    very good

  • Reviewed on 6/24/2026

    Yeah, Dr. Massicotte , urologist, is a very good doctor and I've been to him for prostate issues and this is something totally different, but no, he's excellent. I'd highly recommend him to anyone. Thank you.

  • Reviewed on 6/21/2026

    I received excellent care from this provider! Not only was he was very knowledgeable, he was very caring and compassionate. He took his time with explanations, and was very thorough. I felt relieved to have found someone who could help with this medical concern.

  • Reviewed on 6/21/2026

    Very nice man. [redacted]

  • Reviewed on 6/22/2026

    Very pleased to be in his care.

  • Reviewed on 6/20/2026

    He is an excellent doctor.

  • Reviewed on 6/15/2026

    All went well and as expected

  • Reviewed on 6/13/2026

    Dr. Massicotte is very experienced and I felt comfortable that he performed the procedure very effectively, and with minimal discomfort to me.

  • Reviewed on 6/11/2026

    All around positive

  • Reviewed on 6/10/2026

    Excellent

  • Reviewed on 6/10/2026

    looking forward to working with this provider

  • Reviewed on 6/8/2026

    Dr. Massicotte is great. [redacted]

  • Reviewed on 6/8/2026

    Hi, I'm [redacted], obviously. Dr. Massicotte is on his toes very well. [redacted] Things are happening to me that there shouldn't be. But thanks to the procedure, we found out what was going on. So thank you very much. Have a good day.

  • Reviewed on 6/6/2026

    Professional experience.

  • Reviewed on 6/5/2026

    Very good listener and explained issues carefully.

  • Reviewed on 6/4/2026

    Very professional, good listener and explained well

  • Reviewed on 6/6/2026

    Thank you for listening and understanding my medical history. You have a very calm bedside manner and are clearly looking out for my best interests.

  • Reviewed on 5/30/2026

    Good visit. Provided details of visit into terms that were easy to understand

  • Reviewed on 5/28/2026

    Dr. Massicotte was excellent, listened well, understood, and I think provided good advice.

  • Reviewed on 5/25/2026

    He is very skillful and a good listener

  • Reviewed on 5/20/2026

    Dr. Massicotte was very well informed about my health status overall and specifically the urologic conditions we were addressing. He spent a considerable amount of time answering questions and explaining next steps.

  • Reviewed on 5/15/2026

    very informative

  • Reviewed on 5/15/2026

    Wonderful results from a dr and staff that really cared about my situation. Professional and empathetic.

  • Reviewed on 5/12/2026

    Dr. Massicotte saved my life. My nuisance nodules were biopsied and found to be cancerous. I have fortunately been clear in my bladder since. He checks me once a year now. My experience with Dr. J. Mathieu Massacotte has been a positive experience. Thanks for asking. [redacted]

  • Reviewed on 5/10/2026

    Professional and a good sense of humor

  • Reviewed on 5/11/2026

    Friendly, knowledgeable and knew my medical history. He was willing to answer all of my questions.

  • Reviewed on 5/8/2026

    The doctor was very professional and made me feel comfortable and confident. The nurses were off the charts fantastic and made what could have been an awkward situation very comfortable for me and I did appreciate that and they were very professional.

  • Reviewed on 5/8/2026

    I was extremely satisfied with the care I received during this visit.

  • Reviewed on 5/4/2026

    Excellent professional care!

  • Reviewed on 4/28/2026

    thorough and responsive!

  • Reviewed on 4/27/2026

    Yes, Dr. Massicotte has always been very open, I think honest, very easy to talk to, explained things completely, and I was very easy to understand. So I liked him very much. Thank you.

  • Reviewed on 4/26/2026

    Excellent

  • Reviewed on 4/25/2026

    The whole situation was treated with respect.

  • Reviewed on 4/25/2026

    Excellent care! Very good surgeon and wonderful team. [redacted]

  • Reviewed on 4/25/2026

    Very good. Friendly. Thorough. Helpful.

  • Reviewed on 4/23/2026

    Dr. Massicotte was fantastic! He read all of the test results via EPIC so that he was informed when he met [redacted] (my husband). He was very thorough in his examination and asked pertinent questions. He was patient and understanding. He took the time to answer all of our questions and to explain the test results we would see in patient gateway. He has a wonderful demeanor and he allayed our concerns.

  • Reviewed on 4/22/2026

    Everyone was pleasant

  • Reviewed on 4/22/2026

    I just want to reestablish that this clinic is staffed with knowledgeable and kind staff. They listened to my concerns and were very helpful.

  • Reviewed on 4/21/2026

    Overall, a good experience

  • Reviewed on 4/24/2026

    Very professional

  • Reviewed on 4/20/2026

    I think the doctor's office was extremely thorough. [redacted]

  • Reviewed on 4/15/2026

    Hi, he was good. He discussed different possibilities. He discussed my medication. He told me that I was probably at the peak of ability, the peak of medications I could take for my problems. And he had the knowledge that I had been to an infection had that information. He was good. Thank you.

  • Reviewed on 4/10/2026

    The provider is respectful, listen carefully and answers all the questions He is knowledgeable and understanding.

  • Reviewed on 4/8/2026

    Great experience from the moment I entered the facility to when I left.

  • Reviewed on 4/8/2026

    I thought that he was a very nice and considerate doctor and the nurses were very well too. I would recommend them to anybody because I really thought that they were professional.

  • Reviewed on 4/5/2026

    He remembers things from my last visit 3 years ago he is very pleasant to talk with

  • Reviewed on 4/4/2026

    Staff is always very friendly, alert and accurate

  • Reviewed on 4/3/2026

    Excellent

  • Reviewed on 3/29/2026

    Thorough, professional, and congenial.....perfect mix of attributes

  • Reviewed on 3/27/2026

    Very knowledgeable and understanding of my diagnosis and throughly explained my options in detail!

  • Reviewed on 3/27/2026

    Efficient, answered all my questions, and friendly.

  • Reviewed on 3/23/2026

    Received great care

  • Reviewed on 3/23/2026

    Caring, professional, respectful, informative, good communicator...

  • Reviewed on 3/21/2026

    Nothing They took care of everything.

  • Reviewed on 3/18/2026

    Felt very comfortable and safe he explained everything to us and made us rest at ease.

  • Reviewed on 3/18/2026

    He was excellent and informative

  • Reviewed on 3/17/2026

    A family member referred me to him. I was very satisfied.

  • Reviewed on 3/16/2026

    I was at ease.

  • Reviewed on 3/14/2026

    Dr. Massicotte listens well and is a very good communicator.

  • Reviewed on 3/12/2026

    He was wonderful, caring, and listened to my needs. He was very, very good.

  • Reviewed on 3/8/2026

    Very professional and knowledgeable

  • Reviewed on 3/8/2026

    He's ok

  • Reviewed on 3/7/2026

    Provider understood my history. Also, the provider explained medication side effects, and other related conditions that could affect my urology issues.

  • Reviewed on 3/4/2026

    Top notch experience! Professional all the way! Dr. Massicotte and his support staff are the best!

  • Reviewed on 3/2/2026

    I was very impressed with the doctor as he showed concern for me and why I came to see him. He was very attentive to me.

  • Reviewed on 3/2/2026

    Very professional

  • Reviewed on 3/2/2026

    I really appreciate Dr. Massicotte! I was running late for my appointment [redacted] however, although I missed my scheduled time, Dr. Massicotte still met with me and took the time to discuss my condition and next steps for my procedure. His actions show true care and concern for patients. This says a lot about his character and commitment to putting patients first. Thank you ever so much! Thank you again, Dr. Massicotte, for the care and concern you demonstrate for your patients; I am truly grateful! - [redacted]

  • Reviewed on 2/25/2026

    Very courteous, professional and explained things very clearly. Took time and listened to my concerns.

  • Reviewed on 2/25/2026

    Very knowledgeable and professional

  • Reviewed on 2/25/2026

    Good experience

  • Reviewed on 2/24/2026

    I appreciate his care and guidance for my prostate cancer journey.

  • Reviewed on 2/22/2026

    I came to this provider due to complications from a produce i had out of state. I heard good things about this Dr. I got no real answers and no followup testing to figure out what's going on. Now I am in a predicament of what to do next to get answers and who do I see. I had such high hopes I would get some answers or get some resting to figure out what's going on.

  • Reviewed on 2/17/2026

    Dr. Massicotte explained the finding very well, I understood the different kinds of biopsy's.

  • Reviewed on 2/18/2026

    Hi, his care provider was excellent and I would refer him to all my friends and family.

  • Reviewed on 2/11/2026

    excellent care.

  • Reviewed on 2/11/2026

    Thought the Dr. was terrific.

  • Reviewed on 2/9/2026

    I really liked the doctor.

  • Reviewed on 2/8/2026

    Good to know what my problem is and that the doctor is so optimistic that he can make my condition better. Thanks!

  • Reviewed on 2/6/2026

    Took the time to listen to my concerns and was very respectful of my concerns.

  • Reviewed on 2/5/2026

    HE LISTENED TO ME AND TOOK HIS TIME TALKING TO ME ABOUT MY SYMPTOMS. HE THEN TOLD ME HIS PLAN TO HELP ME. HE TOLD ME ABOUT HIS EXPECTATIONS OF WHETHER THE SURGERY WOULD ELIMINATE MY ISSUES. HE TOLD ME EXACTLY WHAT THE SURGERY WOULD INVOLVE. I WAS PLEASED WITH HIS PLANS FOR ME.

  • Reviewed on 2/4/2026

    I am very grateful to have the quality of care this provider offers as well as the personal connection and friendship

  • Reviewed on 2/6/2026

    This provider was very caring and he provided a thorough explanation as to what the procedure was going to entail and what was the likely outcome.

  • Reviewed on 2/3/2026

    The doctor provided me with the best medical care possible and he explained the procedure to me in advance. He provided postcare instructions to me. All in all,a successful procedure.

  • Reviewed on 2/1/2026

    He is the best urologist I have ever seen.

  • Reviewed on 2/3/2026

    I asked open-ended questions to elicit information. I am new to the experience. The response was 'if you're asking that you must understand everything b/c someone explained it to you.' I didn't. No one had. I felt this to be dismissive and decidedly unhelpful. That response closed off the opportunity for further communication. [redacted]

  • Reviewed on 1/23/2026

    Yes, I had a good experience. I've been with the Mass General for decades and I've always had a great, mostly almost all, all interactions have been excellent. I don't know what to do now.

  • Reviewed on 1/23/2026

    Doctor was very helpful

  • Reviewed on 1/19/2026

    Dr. Massicotte listened all of my concerns, discussed my health history, and thoroughly all testing options. The office was excellent and provided detailed information concerning my future appointments.

  • Reviewed on 1/4/2026

    Excellent and caring physician. I am grateful for his care.

  • Reviewed on 1/5/2026

    Very professional and explained next steps.

  • Reviewed on 12/29/2025

    First and maybe last time to see the doctor given my age and rationale for the visit

  • Reviewed on 12/29/2025

    I saw a technician who was very good. The question before ask about a nurse, I did see a nurse who gave me a pill and she was very nice

  • Reviewed on 12/29/2025

    Excellent experience as with all the Mass General professionals that have given me care over the years.

  • Reviewed on 12/24/2025

    Good visit. Haven't received any feedback on implications of blood test.

  • Reviewed on 12/24/2025

    The Doctor was very friendly and professional

  • Reviewed on 12/24/2025

    They were very professional they felt very comfortable with them! They were very patient they were not in a rush to move me out. The experience was perfect my shoulder is great the operation went good I would be more than happy to recommend the doctor and the facility.

  • Reviewed on 12/20/2025

    I trust this doctor to treat me for my bladder cancer.

  • Reviewed on 12/21/2025

    All personnel were friendly and courteous.

  • Reviewed on 12/20/2025

    Awesomeness {Well educated and knows his Craft}

  • Reviewed on 12/19/2025

    I'm very happy with my provider, my doctor.

  • Reviewed on 12/9/2025

    I was most impressed with Dr. M's patience, willingness to listen, and interest in responding to my questions and concerns. My appointment time was late in the afternoon, and I didn't feel the slightest bit rushed, etc.--Dr. M was thorough and fully present.

  • Reviewed on 12/9/2025

    Dr. Massicotte is an outstanding physician who is superb in his craft. Great insights and care

  • Reviewed on 12/8/2025

    I really appreciated how carefully the doctor and nurse both explained the procedure and also the importance of following up in a year or so

  • Reviewed on 12/7/2025

    Was a comfortable experience

  • Reviewed on 12/7/2025

    She was wonderful . She made me feel very comfortable.

  • Reviewed on 12/1/2025

    [redacted] Provider did not physically examine my abdomen or pelvin exam was not given. Provider had my med recs from the local hospital, and went by these med records and CT results I brought, exclusively. Provider did order a Bladder Scan and gave 2 options for treatment. Answerd all my questions.

  • Reviewed on 11/30/2025

    My doctor and his assistant were very professional and took good care of me during my procedure. Thanks to all involved! All the best, [redacted]

  • Reviewed on 11/30/2025

    Great visit, great provider but I had to wait 6 months to get in. He could have seen me in Danvers after 1 month... maybe you AI Scheduler needs more experience

  • Reviewed on 11/30/2025

    He was cold , seem bothered to be there , didn't listen to me when I said I was in pain til I insisted

  • Reviewed on 12/3/2025

    Best decision I ever made, thanks to the referral by my Primary Care Physician.

  • Reviewed on 11/22/2025

    Efficient and a great communicator.

  • Reviewed on 11/22/2025

    It was a good experience.

  • Reviewed on 11/22/2025

    focused caring attentive told me to call him if I experienced any problems

  • Reviewed on 11/17/2025

    Professional and positive

  • Reviewed on 11/12/2025

    Dr. Massicotte is a trusted provider. I believe the exercises good judgment, and he always takes into consideration my concerns, questions and preferences. I was very pleased with the outcome of this visit.

  • Reviewed on 11/12/2025

    Excellent

  • Reviewed on 11/10/2025

    Expect to have long term relationships

  • Reviewed on 11/15/2025

    Excellent listener and very easy to talk with.

  • Reviewed on 11/2/2025

    Dr. Massicotte is superb! Truly professional, knowledgeable, thorough and caring. A credit to MGB. Fortunate to have hm as my provider.

  • Reviewed on 10/30/2025

    Dr. MASSICOTTE. Always makes me feel confident enough were I could easily talk about my concerns

  • Reviewed on 10/28/2025

    The doctor educated me in what my sympt

  • Reviewed on 10/29/2025

    The Dr & Nurse were fantastic

  • Reviewed on 10/27/2025

    You all are great and a pleasure

  • Reviewed on 10/26/2025

    The doctor was attentive, caring and answered my questions. I had extensive time with a nurse who was exceptional - caring, helpful, patient and informative.

  • Reviewed on 10/26/2025

    Professional and patient in that the doctor was open to listen to my concerns and give me directions and assurance that he would be able to help me meet my health needs.

  • Reviewed on 10/30/2025

    Both PA [redacted] and Dr. Massicotte were clear, respectful, and reassuring.

  • Reviewed on 10/22/2025

    He is thoughtful, good listener and engaging.

  • Reviewed on 10/16/2025

    Very good

  • Reviewed on 10/15/2025

    All that I can say is that my experience with Dr. .Massicottewas wonderful .

  • Reviewed on 10/13/2025

    Very professional

  • Reviewed on 10/12/2025

    All good,

  • Reviewed on 10/11/2025

    I had a very satisfactory experience with the provider.

  • Reviewed on 10/9/2025

    I appreciate the time the Doctor spends with me and explains and answers all my concerns.

  • Reviewed on 10/8/2025

    [redacted] Dr. Massicotte was excellent. He explained the details , answered questions and addressed what was needed. Top notch.

  • Reviewed on 10/6/2025

    Other than the driver running a bit late all went well.

  • Reviewed on 10/5/2025

    Many thanks to my doctor. He is extremely smart and understood every question I asked. Thank you very much for your expertise.

  • Reviewed on 10/5/2025

    Pleasant, put me at ease, satisfied with amount of time spent explaining future procedure

  • Reviewed on 10/5/2025

    It was an excellent patient and physician discussion, with my problems being listened to, and solutions cogently defined that were acceptable to me in every way.

  • Reviewed on 10/4/2025

    The doctor and I have been together for more then15 hrs and he has done me well at all times

  • Reviewed on 10/4/2025

    Very professional and quickly diagnosed my problem and explained the solution in easily understandable terms .

  • Reviewed on 10/2/2025

    Really not much, he did what he was supposed to do and that's about it.

  • Reviewed on 10/1/2025

    This provider is intelligent and well trained but [redacted] I find him somewhat smug and aloof...

  • Reviewed on 9/24/2025

    They give out lots of information but it not easy to remember it all after the fact.

  • Reviewed on 9/26/2025

    Was very happy with my visit. The doctor explained everything to make me understand. Excellent service. Would recommend him to anybody.

  • Reviewed on 9/20/2025

    The provider was great. The only comment I would like to make is that after the procedure was completed the provider started to explain what the procedure indicated and what was next. Unfortunately because of the emotion of the procedure I was not able to fully comprehend what was said and I was not ready to ask appropriate questions. The doctor and staff were outstanding, the issue was simply that I was not in a position to discuss or fully comprehend so soon after the procedure. Thank you to all for outstanding care! [redacted]

  • Reviewed on 9/20/2025

    I thought the visit went well

  • Reviewed on 9/11/2025

    I have been seeing Dr M for many years.I find him to be sensitive and respectful and I have complete trust in him.. I am grateful for his presence in my life

  • Reviewed on 9/11/2025

    He was an exceptional physician. He articulated everything perfectly. He explained everything. He was caring, insightful, and cognizant and multidimensional in his thought processes. He was very, very good.

  • Reviewed on 9/8/2025

    Great, very professional

  • Reviewed on 9/7/2025

    excellent communication

  • Reviewed on 9/5/2025

    very pleased

  • Reviewed on 9/5/2025

    Thank you.

  • Reviewed on 9/4/2025

    I have excellent care ....no issues.

  • Reviewed on 8/26/2025

    Dr Massicotte listened to my concerns and offered proper suggestions

  • Reviewed on 8/25/2025

    Dr. Massicotte and his staff are wonderful. Skilled, professional, and knowledgeable. I feel fortunate and privileged to obtain my urology related healthcare from Dr M and his staff.

  • Reviewed on 8/23/2025

    Everything was explained to my satisfaction