
Barbara Joyce Nath, MD
Gastrointestinal Motility Disorders
Highlights
Age Groups Seen
- Adults
- Geriatrics
Languages
- French
- English
Gender
FemaleLocations
- Massachusetts General Gastroenterology Associates
- 55 Fruit Street, Building 5, Boston, MA 02114
- Get Directions
- phone: 617-726-2426
- fax: 617-724-5997
Expertise
Education
- Fellowship: Massachusetts General Hospital, Gastroenterology, 1982
- Residency: Massachusetts General Hospital, Internal Medicine, 1980
- Internship: Massachusetts General Hospital, Internal Medicine, 1978
- Medical Education: Columbia University College of Physicians & Surgeons, 1977
Board Certifications
- Gastroenterology: American Board of Internal Medicine, 1983
- Internal Medicine: American Board of Internal Medicine, 1980
Insurance
- Aetna
- 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
- MassHealth
- Medicaid CT
- Medicaid ME
- Medicaid NH
- Medicaid RI
- Medicaid VT
- Medicare
- Multiplan
- Railroad Medicare
- Senior Whole Health
- TriCare
- Tufts Health Plan
- Tufts Medicare Preferred
- United Health Care
- Wellpoint
- WellSense
- WellSense NH
Ratings & Reviews
4.9 out of 5
214 ratings, 114 reviewsThe 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.
- Reviewed on 5/27/2026
The Dr was wonderful once I got to see her. [redacted]
- Reviewed on 5/26/2026
Dr. Nath is an exceptional doctor. I feel so fortunate to be her patient. She really listens and thinks outside of the box. Dr. Nath is very encouraging and asks me to keep in touch with my status/how her recommendations are working. I have complete faith in Dr. Nath.
- Reviewed on 5/25/2026
Terrific.
- Reviewed on 5/25/2026
Dr. Barbara Nath is an excellent doctor .She thoroughly evaluated my problem with excellent skills, knowledge,communication in a very professional manner.I feel totally confident in her specialized skills in my Colonoscopy procedure.I greatly appreciated all of her works and her helps and her continue to f/ u with me. Thank you so much. [redacted]
- Reviewed on 5/17/2026
Dr Nath is extremely knowledgeable and explains all aspects of my healthcare clearly and in depth. I feel like I am involved and a part of her plan. There were medication options and she explained them to me and made sure I understood. Dr Nath is a first class provider and representation of the excellence of our institution.
- Reviewed on 5/15/2026
Dr. Barbara Nass was extremely informative, extremely helpful. She was kind, compassionate, understanding. She listened to everything I had to say. She spent so much time with me to learn about my history, to determine the cause of all of the issues that I have. She was extremely helpful, knowledgeable, and provided me with so much information that gave me answers to questions that I've been wondering for years. I would recommend her to anybody. As far as my experience goes in the office, she was kind, soft, and ?
- Reviewed on 5/8/2026
Very happy with all of my interactions and advice from Dr. Nath
- Reviewed on 5/4/2026
Dr Nath is a great doctor and genuinely cares for patients. She has great bedside manners.
- Reviewed on 5/3/2026
It was a perfect patient doctor appt
- Reviewed on 5/4/2026
I've worked with Dr. Nath as my primary care doctor for like 40 years. I love her. She's wonderful. It seems like she's only gotten better and better. I haven't seen her as my primary care, but as a GI specialist. And Dr. Nath is the best. She knows her stuff. She handles everything correctly. She always replies and she's a pleasure to work with.
- Reviewed on 4/26/2026
Dr Nath is excellent and has always been a serious and concerned doctor for me, in spite of my odd problems. I have been seeing her since 1993.
- Reviewed on 4/26/2026
I see a lot of providers and she is by far the best. She is knowledgeable but more importantly she is patient, listens, kind and cares about me.
- Reviewed on 4/25/2026
She was excellent!
- Reviewed on 4/21/2026
Excellent!
- Reviewed on 4/23/2026
Dr. Nath was great and she spent plenty of time with me. I think the situation that I have is still somewhat confusing to me, but I don't think that's her fault at all. So I was very pleased with her. I just am not quite sure how all these pieces fit together with my overall health.
- Reviewed on 4/20/2026
Listen to me with respect and knowledge.
- Reviewed on 4/21/2026
Dr Nath is always so attentive, knowledgeable, Compassionate, and the best listener. I feel comfortable asking any questions and know she will take the time to answer until I understand. Dr Nath always treats me with kindness and validates all my concerns. I am blessed to have her as my provider :)
- Reviewed on 4/18/2026
Dr. Nath is extraordinary. She has deep clinical expertise and experience, asks important questions, explains things well and makes helpful recommendations. In addition to using her skills and knowledge to help people, she notices things that many other physicians do not; she listens to the patient and is genuinely interested in their perspective and insight.
- Reviewed on 4/19/2026
The appointment went well.
- Reviewed on 4/18/2026
Just that I have been a patient of Dr Nath for many years & she has helped me tremendously with a severe case of IBS. She is a very warm, kind, thoughtful, experienced & extremely competent clinician.
- Reviewed on 4/16/2026
Very easy to talk to and gave me the time to explain my concerns. Doctor Nath was very thorough asking and answering questions and explaining several options going forward to address my situation. I am very pleased with the attention I receive from Doctor Nath and I am thankful that I was able to get an appointment with her. I look forward to speaking with her in the near future.
- Reviewed on 4/13/2026
Dr. Nath was thorough, listened carefully, provided clear and careful recommendations and analysis, and ensured I would have follow-up care. On a scale of 1 to 100, with 100 being the highest, she rates a 150 (no, that is not a typo).
- Reviewed on 4/9/2026
Dr. Nath has been taking care of me for 22 years. I have a complex medical history for a younger person and she has respectfully and competently taken care of me. She is amazing and I cannot say enough kind things about her and the care she provides.
- Reviewed on 4/8/2026
Great very knowledgeable
- Reviewed on 4/9/2026
Dr. Nath went through my medicals to [redacted] 2022, when I had emergency surgery for a cecal volulus at [redacted]. The POst-OP Cat Scan also identified pelvic congestion syndrome. NOW THAT IS THOROUGH!! [redacted]
- Reviewed on 4/10/2026
Excellent
- Reviewed on 4/9/2026
EXTREMELY... helpful....understanding.... knowledgeable.... professional!!!
- Reviewed on 4/9/2026
Personally, regarding Dr. Barbara Nath, she has always helped me a great deal and I believe she is the best doctor I have ever met, although everyone at MGH is a very good specialist.
- Reviewed on 4/5/2026
Dr. Nath is always friendly and respectful of my issues and makes me feel comfortable and not rushed.
- Reviewed on 4/8/2026
Yes, I was again very happy with Dr. Nath, very responsive, very helpful and very in a very caring way and they made me feel that I was being listened to and my needs were being addressed and she I would say went above and beyond being helpful and trying to provide me with solutions for what I need.
- Reviewed on 4/6/2026
Dr Nath is quietly wonderful: deeply informed, obviously caring, and acutely attentive to my remarks. I could tell that, medically, she was working to KNOW me--know who I was, how I was, how I felt about my condition. She listens with great focus, and she is easy to talk to. Really a gem.
- Reviewed on 4/4/2026
She is the very best- smart, knowledgeable, up to date, caring, concerned, empathetic. She is also very responsive to problems that arise between visits. I am also a physician saying all these things.
- Reviewed on 4/2/2026
Dr. Nath is simply terrific. She's really helped me with my condition and it's resolved and we're working on some fine tuning. I couldn't be happier. Thank you.
- Reviewed on 4/1/2026
Dr. Nath is a highly skilled competent professional.
- Reviewed on 3/26/2026
Dr. Nath is exceptional!
- Reviewed on 3/23/2026
Dr. Nath has been my PCP for years. Her care is the main reason people tell me I'm in good shape for my age.
- Reviewed on 3/18/2026
Dr Nath is a wonderful caring doctor that listens to me. Never feel rushed and she answers questions in a manner you understands
- Reviewed on 3/18/2026
Very knowledgeable and responsive. Communicates very clearly and promptly explains next steps/follow up. Her office called promptly to schedule next step test.
- Reviewed on 3/16/2026
I was referred to SHED by my local GI. I chose Dr. Nath based on her training and patient reviews. She was everything I expected and more and I am so glad to now be in her care. PS The only reason she didn't have all the information she needed about my medical history is because it is in multiple places as a result of hospital mergers/acquisitions and failure of integrated systems. When I offered to send her information from access to my portals, she responded, "No, let me do the work." I was extraordinarily impressed by this, by her genuineness (if that is a word), compassion, thoughtfulness, and compassion. She was very much worth the wait to see her.
- Reviewed on 3/15/2026
I am so happy to have been seen by Dr. Nath & am looking forward to an ongoing assessment. Her follow-up concerning tests completed is ideal.
- Reviewed on 2/27/2026
I like Dr. Nath. [redacted]
- Reviewed on 2/22/2026
Dr Nath is extremely knowledgeable and a pleasure to have as my dr
- Reviewed on 2/15/2026
Excellent doctor. Very thorough. Fortunate to have her
- Reviewed on 2/17/2026
meeting went well. set up my next procedure
- Reviewed on 2/24/2026
Dr Nath is a very dedicated and professional doctor and I would recommend her for everyone else.
- Reviewed on 2/1/2026
Dr. Nath is the best. Always kind and thoughtful and addresses my concerns
- Reviewed on 1/23/2026
Barbara Maff is an outstanding physician. She's extremely knowledgeable and just as important, she's kind and caring and listens to everything you have to say. I really have a great deal of faith in her.
- Reviewed on 1/22/2026
Dr Nath is the best. She has been incredibly helpful in guiding me through the management of a complicated medical situation. I truly appreciate both her medical expertise and her collaborative style.
- Reviewed on 1/20/2026
Dr. Nath provides a breath of fresh air in a medical system that is polluted.
- Reviewed on 1/19/2026
[redacted] she's very thorough and knowledgeable about my medical history. She's very patient, kind, and understanding. I'm glad she's my doctor for the past 6 years. MGH is very lucky to have her.
- Reviewed on 1/18/2026
She compared my current endoscopy results to those reported by a NYC doctor and said I do not have Barrett's Esophagus which was reported by the NY doctor. She explained probably why the other doctor's report was different. Certainly it is important to know I don't have that disorder nor metaplasia which was reported. The disorder required a certain diet too. Excellent doctor.
- Reviewed on 1/14/2026
Dr.Nath is a great doctor and she has provided me with outstanding care.
- Reviewed on 1/12/2026
Excellent doctor
- Reviewed on 1/9/2026
She is a superb physician. She explains everything to me and she takes excellent care of me. Thank you.
- Reviewed on 1/7/2026
She cares, takes the time to address all the issues appropriately, and is thorough.
- Reviewed on 1/5/2026
Dr. Nath is thorough in her questions & helping make a plan together to solve the adjustment of medicines to help the targeted problem. I feel so lucky & privileged to have her as consultant for my gi care.
- Reviewed on 12/31/2025
Dr. Nath cares deeply about patient's
- Reviewed on 12/31/2025
I have been a patient of Dr. Nath for many years. She has always been available whenever I needed her.I am very grateful for the exceptional care she has shown me. She takes the time to listen and has always shown kindness and genuine concern. I feel very fortunate to have her as my doctor.
- Reviewed on 12/19/2025
Dr. Nath was extremely professional, always easy to talk to. I look forward to seeing her because she's very open and listens very carefully to everything I have to say. I feel very safe knowing that I'm under her care. She's a wonderful woman and hopefully is there for a long time.
- Reviewed on 12/16/2025
The provider was very patient, listened to my problems and explained clearly how to correct it and ordered tests appropriate immediately.
- Reviewed on 12/15/2025
Dr. Nath is warm, thoughtful and reassuring
- Reviewed on 12/14/2025
Dr. Nath was absolutely excellent in all respects. She took a thorough history, she asked the right questions, she explained things clearly, she provided good advice, she discussed treatment alternatives, she was very knowledgeable. She was very supportive.
- Reviewed on 12/14/2025
Dr. Nath is excellent. She listens carefully and is extremely knowledgeable.
- Reviewed on 12/12/2025
Dr bath is the most caring person and always asks questions and listens to you when you talk some questions asked in the nurse portion did not apply to me all questions regarding health were addressed by Dr bath other questions were addressed by the nurse meds blood pressure etc That is Dr Nath computer keeps changing it
- Reviewed on 12/9/2025
Dr Nath is the best. She looks at my entire medical history in treating my gastrointestinal issues. Comes up with great recommendations. Gives me all the time I need. Very thorough.
- Reviewed on 12/1/2025
Barbara Nath is one of the most superlative doctors at MGH.
- Reviewed on 11/27/2025
Takes time to listen to my questions never interrupts while I'm talking waits until I'm finished to reply. Also what ever questions my sister has they respond to them and at the end asked both of us if we had any other questions. Excellent bedside manner
- Reviewed on 11/26/2025
Dr. Nath is exceptional in her knowledge and caring about her patients.
- Reviewed on 11/26/2025
She is thoughtful and caring. I trust her completely to handle my needs.
- Reviewed on 11/26/2025
On time
- Reviewed on 11/23/2025
Dr. Nath was thorough and listened to everything I had to say. She explained everything very well and said she would put everything in writing.
- Reviewed on 11/23/2025
This was my very first visit with Dr. Nath. So while she didn't have any of my medical history at the start of our visit, she took a very thorough history from me and spent ample time learning my history to understand why I was establishing care. I told her I had never felt so heard and seen by a doctor, because she spent so much time with me, wanting to help dig into what could be causing my symptoms, and try to make sure we weren't recreating any previous attempts to address the symptoms. She was more thorough than any doctor I have ever seen, and I am very excited to continue working with her to hopefully finally find relief for my issues.
- Reviewed on 11/20/2025
I have been under the care of Dr. Nath for years and she is excellent.
- Reviewed on 11/6/2025
Dr. Nath is the best GI doctor I have ever seen. I have GI issues that multiple other doctors have been unable to help with. Dr. Nath is very thorough, is extremely knowledgeable, and a very creative thinker. She looks at the whole patient and approaches things with an open mind and lots of experience. I have confidence for the first time in 5 or 6 years that a doctor might be able to help me with this. I would recommend her to anyone.
- Reviewed on 11/2/2025
I've been a patient of Dr. Nath's for 10 years and she has always been very thorough, personable, diligent about the latest medical information, practical and compassionate and I feel it is a privilege to have her care.
- Reviewed on 11/3/2025
I feel very fortunate to have Dr. Nath as my gastroenteriologist. She listens,she is empathetic and a brilliant doctor..always worth waiting for .There is never a question unanswered and I trust her implicitly
- Reviewed on 10/28/2025
Dr. Nath listened to me and took my concerns and updates seriously. She was never dismissive of anything I had to say. She gave me all the time I needed, which was greatly appreciated. I wasn't able to book an appointment in the timeframe she requested because there were no open spots in her schedule, even for my virtual appointment. MGB could do better by not overfilling provider's caseloads and putting a hold on new patients until that provider meets a certain threshold of open appointments per week/month. MGB could hire more providers in order to accommodate new patients and get them seen in a timely manner. Current patients should not have to wait extended times between appointments, beyond what a provider requests. New patients should be able to see a provider in a timely manner as well. You can do better MGB, you are one of the top healthcare providers in the country and in the world. Your patients deserve the most innovative & comprehensive care; that includes their healthcare coordination.
- Reviewed on 10/26/2025
Dr. Nath is an outstanding provider. Very happy to be under her care.
- Reviewed on 10/26/2025
Barbara J. Nath, MD is one of the best....
- Reviewed on 10/22/2025
Dr Nath is my favorite she takes the time to sit with you and go over every detail of what needs to be done and I appreciate that I don't even mind waiting for her cuz I know she's giving the best care to the person before me
- Reviewed on 10/14/2025
Excellent, Dr Nath is the best!!
- Reviewed on 10/14/2025
I have a lot of health issues so I have seen a lot of health care providers. My experience with Dr. Nath was by far the best experience I have had with any provider I have seen to date. She was so knowledgeable about my condition, listened intently to all my concerns, answered all my questions and together we came up with an action plan to address my condition. She also provided me with a way to contact her if needed which completely alleviated my anxiety.
- Reviewed on 10/6/2025
Dr. NATH and ALL of her staff and everyone were EXCELLENT
- Reviewed on 10/8/2025
Dr Nath is very thorough, extremely knowledgeable, and diligently works to analyze and solve your problem,
- Reviewed on 10/6/2025
Dr. Nath could not have been more helpful, more attentive, and pleasant. I could not have asked for a better doctor to listen to my needs, the anxiety I had around the issues that I brought. She was there, she was present, she listened, and I'm happy that I was able to see her, and I'll be happy to see her again. Thank you so much.
- Reviewed on 10/1/2025
Dr Nath is amazing. She's leader in her profession knows her patients inside out, caring smart knowledgeable understanding follows through highly recommend her.
- Reviewed on 9/29/2025
Very good experience.
- Reviewed on 10/6/2025
I was extremely pleased with my consultation with Dr. Nath. She was very through, looked carefully at my medical history, quickly understood my concerns, answered all my questions, was able to analyze what my problem might be and what test I should have next to further clarify what is going on. Dr. Nath spoke in a caring way and made full eye contact. I felt seen, heard and cared for by her, which gave me an inner peace.
- Reviewed on 9/28/2025
Thanks for very good service
- Reviewed on 9/26/2025
Dr. Barbara Nath has been my longtime health care provider & I deeply applaud her service.
- Reviewed on 9/26/2025
The provider was very late, but this is because of an error in scheduling, of which we both were victims. It is important for providers to be assisted in the best way possible, and I think this didn't happen this time.
- Reviewed on 9/24/2025
Wish provider could stay as my PCP. Has been my PCP for over 30 years.
- Reviewed on 9/21/2025
Dr Nath is one of the best doctors I have ever had. I have been seeing her, off & on since 1992.
- Reviewed on 9/21/2025
I'm quite certain that MGH already knows this, but Dr Nath is a most extraordinary Dr. thoughtful. , kind, compassionate. And very thorough. Dr Nath aleved my concerns. And gave careful guidance with regard to my sons care moving forward.
- Reviewed on 9/21/2025
She is thorough and always provides excellent care.
- Reviewed on 9/20/2025
I am privileged to have Dr. Nath as one of my physicians. She is awesome in every respect.
- Reviewed on 9/17/2025
Very hard to get in touch with Dr & anyone in the office
- Reviewed on 9/19/2025
Dr Nath is a gift. She is so experienced and knowledgeable, kind and caring. She listened and offered data-based suggestions and charted the next steps. I feel lucky to have her on my team. Thank you.
- Reviewed on 9/17/2025
The doctor e plain different ways to help my problems.
- Reviewed on 9/10/2025
She was very interested in me which made me feel great
- Reviewed on 9/10/2025
Dr. Nath is an outstanding doctor!!
- Reviewed on 9/10/2025
Dr. Barbara Nath is an outstanding physician. She is very empathetic and kind. She listens to my concerns very intently. I am very blessed to have her as my doctor.
- Reviewed on 8/31/2025
Dr nath it's kind and compassionate.
- Reviewed on 8/17/2025
She is the very best and besides being a patient I am also a physician She is a true healer
- Reviewed on 8/12/2025
Dr. Nath is a wonderful and thorough doctor. She is professional and kind. She is always responsive to questions.
- Reviewed on 8/9/2025
Dr. Nath was extremely kind considerate listened to what i had to say, she was worth the wait to see her, she gave me answers and clarified alot what has been going on in my health. She really was amazing. Thank you!
- Reviewed on 8/5/2025
The Dr. always listens to my ongoing problem and is always willing to try new things and explore all options.
- Reviewed on 8/6/2025
The virtual video visit can be difficult and produce anxiety. The technology part is putting off to old patients like myself
- Reviewed on 8/3/2025
Dr. Barbara Nath is exceptional in every way possible. She listens to every word you have to say and shows care and concern for how you feel. She is extremely helpful in all aspects of your health and well being. She gives her opinion on solutions to all problems/concerns that I have. She is a very kind person and extremely patient. I never feel like I am being rushed and can talk to her about everything very comfortably. She is honestly wonderful and I highly value having her as my doctor.
- Reviewed on 7/27/2025
Outstanding! Thank You!
- Reviewed on 7/26/2025
Dr Nath gives exceptional care and I'm glad she's my doctor
- Reviewed on 7/23/2025
Exceptional specialist and knowledgeable about relatable medical issues
- Reviewed on 7/24/2025
Dr. Nath is a superb ambassador for Mass General. She is an outstanding listener, compassionate, professional, very good at helping you articulate what you need and what next steps are. And I would follow her anywhere at any time.
- Reviewed on 7/19/2025
Dr. Nath combines deep medical knowledge with care for her patients in a way that makes her one of the best doctors I have ever seen. MGH is fortunate to have her. I am so grateful for her care.