Aaron B Nelson, MD

Not currently accepting new patients

4.84 average rating from 215 patient reviews

Specialties

Affiliation

Mass General Brigham

Provider Locations

  • Boston, MA
  • Foxborough, MA

Education & Training

  • Fellowship: Eastern Virginia Medical School, Endocrinology, 2017
  • Residency: West Virginia University School of Medicine, Internal Medicine, 2015
  • Medical Education: West Virginia University School of Medicine, 2012

Languages Spoken

  • English

Patient Feedback

4.84 average rating from 215 reviews

  • Dr. Nelson is very professional [redacted]

    2026-09-07

  • Dr. Nelson performed duties above expectations, his team was responsive and I will schedule again in [redacted] for this specific service.

    2026-08-19

  • We liked Dr. Nelson very much! Office staff was very friendly and helpful.

    2026-08-16

  • My doctor had a thorough knowledge of my medical history and provided in depth knowledge regarding my most recent lab and diagnostic results. He provided a future plan if my results were to change.

    2026-08-09

  • [redacted] as usual dr. Nelson was as good as ever

    2026-08-08

  • Everything was fine. Everything was fine. The doctor explained things to me and everything.

    2026-07-29

  • excellent ,empathetic communicator A++++++++++++

    2026-07-25

  • Dr. Nelson was very thorough, talked and gave suggestions, explained things in ways I can understand what he was talking about. He acted like he was concerned about my situation, had read about my history, so he wasn't completely just waiting it. So I really appreciated him and the care and concern, the time, the interest, the willingness to instruct and teach and advise as well. That's it.

    2026-07-22

  • very well prepared

    2026-07-21

  • He has been exceptional above and beyond and very concerned with my health and thorough in everything as far as my medical care and my future with getting better is concerned. I have never had an endocrinologist that has been as thorough with bedside manner, with care, with follow-up, and with concern for my wellness and longevity. Thank you to Aaron Nelson very much so.

    2026-07-13

  • Dr Nelson is very thorough and patient in answering our many questions. We never feel rushed at appointments with him.

    2026-07-12

  • Dr. Nelson is wonderful! He listens carefully. I feel comfortable in his care and treatment.

    2026-07-07

  • Dr Nelson was very kind and respectful of my needs. I can't wait to meet him in person!

    2026-07-04

  • Thoughtful doc was well prepared to discuss matters important to me. Very personable manner. Gives config that he's on top of the case.

    2026-06-22

  • Aaron was thoughtful, he was efficient, and all things that I really appreciated.

    2026-06-10

  • Great office and doctor

    2026-06-17

  • Very good at listening and answered all my questions.

    2026-05-28

  • thanks

    2026-05-28

  • He was a good listener. He replies to the point. He is respectful. He gives good succinct explanations. All around good guy

    2026-05-23

  • First class all around everyone A lot of respect for your organization

    2026-05-16

  • Dr. Nelson was very polished and professional and engaged with my daughter and myself. [redacted] he was courteous, kind, calm, and patient. [redacted] this is one of the most wonderful doctors I've ever had the pleasure of experiencing.

    2026-05-13

  • An expert in the matter

    2026-05-06

  • He was great, very capable and the type of Doctor that puts you at ease.

    2026-05-03

  • Dr. Nelson is an outstanding specialty physician, clearly answering my questions and concerns and helping me understand diabetes in a more current and in depth way. He reviewed all my testing and helping me understand the interrelatedness of my health challenges. I am grateful for his care. The support staff are outstanding also, this includes the admin checking me in and out. Very caring and pleasant.

    2026-05-02

  • Dr. Nelson was well prepared to meet with me and was very knowledgable.

    2026-05-01

  • I thought he was very good, but this was the only time I had seen him. It was the first time, so it's really hard to judge, but he was courteous and seemed very knowledgeable, and he followed up quickly on my blood work.

    2026-04-29

  • My husband and I both see Dr. Nelson and speaking just for myself at this point because I'm not asking my husband, he's fabulous. He is a very good physician. He listens very well. He speaks extremely clearly and he really knows his business around diabetes. He's been very helpful and I feel very fortunate to have him as my physician.

    2026-04-27

  • Dr. Nelson is a superb doctor and I'm glad I found him [redacted] months ago. I have type 2 diabetes and have struggled to get my glucose into range since I was diagnosed 5 years ago. [redacted] With Dr. Nelson, my glucose is now under control, and for the last 2 months it has been excellent. I feel much better! Dr. Nelson is patient, he never rushes. He listens to you, and explains things very clearly. It's obvious to me that he is knowledgeable about the latest research. He's one of favorite doctors now. [redacted]

    2026-04-26

  • He is a very good doctor; very knowledgeable friendly and professional. My wish is for him to spend more time at the Gillette-Foxboro medical center. Getting appointments at this location is difficult.

    2026-04-26

  • Dr. Nelson is knowledgeable, patient and kind. He is easy to talk to and listens attentively.

    2026-04-25

  • Dr. Aaron Nelson was superb. It was my first appointment with him and he completely exceeded all my expectations. I'm so happy that he is my doctor and he was just excellent in every way, easy to communicate with, a tremendous listener. And he just, he worked with me and allowed me to be part of the decision making. And I just, I came away from that visit really appreciating that he was my doctor.

    2026-04-22

  • Dr Nelson is very personable and I enjoy talking to him Having a virtual is very helpful and less stressful than driving into the meeting

    2026-04-19

  • The doctor asked many questions about my history and current state of health. The information and responses he provided were clear. The direction for going forward with any treatments were also very clear. It was a comfortable conversation.

    2026-04-18

  • Yes, I thought that Dr. Nelson was an exceptional doctor. He was very caring. He had good communications. He listened very intently and probably the best endocrinologist I've ever seen and I liked him very much.

    2026-04-20

  • Excellent, thank you.

    2026-04-15

  • He was very knowledgeable and had solutions for issues I'm dealing with.

    2026-04-08

  • He listens and was excellent I felt that he really cared Feel fortunate to have him as my physician

    2026-04-07

  • Very attentive to what I needed from the meeting.

    2026-04-09

  • He provided a great review and moving forward plan.

    2026-04-08

  • This provider was very respectful, listened to me very carefully and didn't make me feel rushed, answered any questions that I had. It was a good experience overall.

    2026-04-06

  • My overall experience with Dr. Nelson, his staff, the person, his nurse practitioner, they were wonderful. The entire office was great. It was comfortable. They took time. They listened. It was a much better experience than I've had in the past going into my endocrinologist in Boston. So this was a very good experience and I actually left the office feeling positive and relieved. So he was great. They were great. So thank you.

    2026-04-06

  • Very good Doctor.

    2026-04-05

  • The provider was nice. He was generous with his time. He listened. It was good

    2026-03-28

  • Everything was clearly mentioned.

    2026-03-28

  • Attentive, listen intently, kind

    2026-03-22

  • Dr Nelson is an excellent physician. Very rarely can I say that about a doctor. He listens, he is engaged, he is responsive to questions and he is well informed. He is not rushing into the room with a prescription pad in his hand. I greatly appreciate Dr Nelson and the way he provides care.

    2026-03-21

  • We found Dr Nelson to be so very helpful. He was attentive, offered great insight, and has a very good plan for [redacted] going forward.

    2026-03-16

  • Dr Nelson was very thorough and answered all my questions and concerns. He listened attentively and reviewed my history before my first appointment. I really appreciated that Dr. Nelson took the time to do this before meeting me.

    2026-03-19

  • One of the best doctors that I see over there. He takes his time, listens, and understands what you're going through.

    2026-03-16

  • Doctor Nelson was excellent

    2026-03-13

  • This was first time meeting the provider, he was personable and informed.

    2026-03-10

  • Dr Nelson was a great help to a worrisome issue with potential diabetes.

    2026-03-07

  • Doctor Nelson was very knowledgeable and professional. He knew all my history with him and if I asked a question he would answer it and add other information about it.

    2026-02-28

  • One of the best doctors in my recent experience.

    2026-02-28

  • Professional, dedicated, did a great job

    2026-02-11

  • It was amazing! I was nervous at first and wanted a lot of knowledge and he provided that information to me

    2026-02-09

  • Dr. Nelson was wonderful! I finally found someone who not only understands but can treat someone in my situation, diabetes due pancreatic cancer. I am totally relieved that a doctor "sees" me.

    2026-02-07

  • Very good doctor. I recommend him to anybody. I like him. Thank you.

    2026-01-30

  • Very knowledgesble snd listened carefully

    2026-01-26

  • Provider is knowledgeable and answered all my questions. Reviewed medications and my health. A great doctor.

    2026-01-12

  • I was at easy with Dr. Nelson and the nurse. Dr. Nelson took the time with me and going over my health and worries. I look forward to our next visit to get my finial heart tests out comes and answers from Dr. Nelson.

    2026-01-09

  • Professional and kind

    2026-01-03

  • It's only my second visit with Dr Nelson but my interactions have been very positive.

    2025-12-22

  • Dr. Nelson listened intently to all of my concerns and applied my concerns into the plan of care going forward. I was impressed by this and felt very heard.

    2025-12-20

  • Very thorough

    2025-12-16

  • Dr. Nelson is a very experienced and kind doctor. He went over my whole history. He helped put everything in perspective and answered all my questions. I'm very, very pleased with him and can't wait to see him next year. Thank you.

    2025-12-16

  • It took a very long time to get to see an BWH doc after first having seen an MGH Endocrinologist. That hand-off delay left my diabetes poorly managed for far too long. Dr Nelson and [redacted] finally put things on track when they took over management. Both top flight clinicians and much appreciated.

    2025-12-15

  • Listed patiently and with respect.

    2025-12-14

  • Very thorough

    2025-12-12

  • I appreciate how he thoroughly listens and explains information and is very receptive to questions and provides answers and makes me feel extremely comfortable. Thank you.

    2025-12-11

  • Dr. Nelson has been wonderful. He was my doctor at [redacted] before he moved over to Brigham and Women's, and I followed him to Brigham and Women's just for the fact that he's very, very easy to talk to. [redacted] everything he does, every test he does, explains it all thoroughly. [redacted] Dr. Nelson is very, very, very good. So and that's all I have to say about him.

    2025-12-11

  • Dr. Nelson is outstanding. He listens, provides good guidance, treats my condition actively, and seeks to reduce my medications if possible. He ordered tests in a timely manner to monitor my condition. I had the opportunity to stay with the Survivorship Program at DFCI when Dr.Nelson went to MGB, but decided to follow him because I trust his care for my condition.

    2025-12-01

  • He was very patient and good listener or attentive to what I was saying. It was my first appointment with hom. I really appreciate him.

    2025-11-26

  • Dr. Nelson and his team are very, very good. I'm very happy with them. No complaints whatsoever.

    2025-11-26

  • Attentive

    2025-11-22

  • Social able, professional, empathetic.

    2025-11-22

Accepted Insurance

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