Gary D Usher, MD

Gary D Usher, MD

Not currently accepting new patients

4.806186 average rating from 291 patient reviews

Specialties

Affiliation

Mass General Brigham

Provider Locations

  • Dover, NH
  • Portsmouth, NH

Dr Usher is a neurologist at MGB neurology in Dover and Portsmouth NH.   He specializes in care for patients with movement disorders, and has an additional specialty in sleep disorders.  He is the medical director for neurology at Wentworth Douglas Hospital.  He completed medical training at SUNY Upstate medical center in Syracuse NY, residency in neurology at Boston University Medical Center, and fellowship in movement disorders at Boston University Medical Center.

Education & Training

  • Residency: Boston University Medical Center, Movement Disorder, 1988
  • Residency: Boston University Medical Center, Neurology, 1987
  • Internship: Berkshire Medical Center, Internal Medicine, 1984
  • Medical Education: SUNY Health Science Center-Syracuse, Medicine, 1983

Board Certifications

  • Sleep Medicine, American Board of Psychiatry and Neurology
  • Neurology, American Board of Psychiatry and Neurology

Languages Spoken

  • English

Age Group Treated

  • Adults

Patient Feedback

4.806186 average rating from 291 reviews

  • Everything was perfect

    2026-07-08

  • Dr. Usher is very understanding and compassionate and has addressed my fears about my health. I feel very comfortable knowing that he really listens to me.

    2026-06-30

  • Thank you!

    2026-07-06

  • Very pleasant and easy to talk to.

    2026-07-01

  • Excellent..easy to talk to, followed up on all of my questions, explained things clearly. Seemed genuinely interested in my case.

    2026-06-22

  • It is always a pleasure to be seen by Dr. Usher. And the administrative staff are always courteous and helpful.

    2026-06-22

  • We thoroughly enjoyed Dr. Usher. I am [redacted]'s medical power of attorney, [redacted]. I think he felt a little rushed, but that's okay. He was very good. [redacted] overall, it was a very good experience.

    2026-06-22

  • Receptionist said Dr. Usher was running 20 minutes late, and he certainly was, that and more, but when I got to his exam room, he treated me like he had "all the time in the world". He was thorough, thoughtful, knowledgeable about my history and medications, kind, engaging, and gave important advice. It was the best possible care. Thank you, Dr. Usher!

    2026-06-21

  • [redacted] The doc was fine [redacted]

    2026-06-20

  • I ve been seen by him for a long time and he is aware of my condition and tracking anything that needs be seen to

    2026-06-20

  • It was the best

    2026-06-14

  • Dr. Usher is the best neurologist. He always listens to my questions and answers them in a way that I can understand.

    2026-06-11

  • [redacted] the provider that was there, who was filling in for Dr. [redacted], I believe, was fabulous. He took a lot of time. He didn't rush me at all. He made me feel extremely comfortable like I had known him and used him before. I would definitely recommend the hospital, all of the people that were there that were polite, and it was a very overall 10 experience for everything. Thank you. Bye-bye.

    2026-06-18

  • He was very thoughtful and caring.

    2026-06-06

  • He is a very good doctor and is concerned about his patient and listening to their concerns

    2026-06-04

  • Dr. Usher is a great practitioner. I look forward to my visits with him.

    2026-06-04

  • No problem s

    2026-06-03

  • Dr. Usher and the staff in the Dover office are great, understanding, and respectful

    2026-06-01

  • Hes a fine Dr great listener. Very kind

    2026-05-23

  • I am very happy with this Dr.

    2026-05-17

  • I've always found Gary to be pleasant and knowledgeable and concerned about my situation and even talk a little bit beyond just the neurology issues if a question comes up. Very happy with Dr. Usher as my doctor.

    2026-05-15

  • Provider was professional, good mannered, informative.

    2026-05-13

  • Nothing out of the ordinary. It was just an annual follow up visit.

    2026-05-10

  • Dr Usher very thorough, caring and knowledgeable.

    2026-05-07

  • Dr. Usher is the best migraine doctor I've ever had. He listens carefully, gives injections without pain and has a wonderful sense of humor that makes each appointment very pleasant.

    2026-05-06

  • It has always been helpful.

    2026-05-06

  • He provided information that I didn't know, [redacted] and he was very good at explaining everything to me.

    2026-05-06

  • Took all the time necessary to cover all that was needed.

    2026-05-03

  • This provider has taken good care of me for many years

    2026-05-02

  • Comfortable atmosphere.

    2026-05-10

  • Very knowledgeable

    2026-04-25

  • It's wonderful to have a doctor who actually listens to your concerns and takes time to answer or explain

    2026-04-21

  • We saw Dr. Usher. He is such a fine doctor and a gentleman you need to take good care of that man.

    2026-04-20

  • Everything was fine

    2026-04-14

  • Dr. Usher is an excellent doctor. I've been seeing him for years. He listens to and answers your questions.

    2026-04-16

  • Dr Usher is always wonderful. He's a nice Doctor, is very thorough and explains things and answers questions in a relatable way. I've been to several Neurologists over the years and he is the best one I've seen.

    2026-04-12

  • Dr. Usher is an excellent doctor.

    2026-04-11

  • Dr. Usher was professional, caring and took a comprehensive history. I felt that he listened to me & my concerns

    2026-04-11

  • Wait time for an appointment

    2026-04-11

  • Dr Usher is a very knowledgeable and amiable person He has a fun personality as well as being thorough during the examination process He takes the time to listen and I observe him taking notes about what I say and how he feels

    2026-04-10

  • He is caring and knowledgeable about the needs of his patient & caregiver which is appreciated.

    2026-04-08

  • He was very thorough.

    2026-04-09

  • I was very impressed with Dr. Usher. He was very kind, considerate and attentive, as well as very knowledgeable about his field of expertise. I had to wait a year for this appointment, but he was worth the wait!

    2026-04-02

  • Took his time to cover concerns

    2026-03-22

  • I've worked with Dr. Usher for years. I trust him. He's like a good old-fashioned doctor. He goes over everything. He answers all of my questions and he is very pleasant.

    2026-03-23

  • satisfied

    2026-03-22

  • We were sooo grateful for our appointment with Dr. Usher [redacted].

    2026-03-18

  • Dr Usher is always kind and respectful of my questions and concerns. I feel fortunate to see him as a provider.

    2026-03-10

  • Dr. Usher exceeded my expectations during my appointment.

    2026-03-08

  • Dr Usher is caring and knowledgable

    2026-03-01

  • Knowledgeable and kind

    2026-02-23

  • Awesome

    2026-02-23

  • Was okay

    2026-02-18

  • Dr Usher's bedside manner and demeanor really puts you at ease - a skill set not often found today.

    2026-02-18

  • Provider listened to and addressed all my questions and concerns with kindness and compassion.

    2026-02-14

  • Excellently doctor. Highly recommend him.

    2026-02-04

  • Dr Usher and his nurse [redacted] are great with their patients. Attentive and professional while making us feel comfortable. It's a great team!

    2026-02-01

  • It was a very thorough clinical exam and assessment

    2026-01-26

  • Dr. Usher listened carefully. I greatly respect his competence. I was grateful to be seen by him.

    2026-01-26

  • It was good, I hope he can figure out what is causing my problems. He really listened.

    2026-01-26

  • He is great and in much demand!

    2026-01-21

  • I have been a patient of Dr. Usher for a number of years and have always appreciated his attentiveness, professionalism, and kindness and his expertise.

    2026-01-19

  • Professional, knowledgeable, and personable

    2026-01-11

  • Dr. Usher is a caring, compassionate physician who made us both comfortable talking about my symptoms and concerns. He spoke to us in language that was easy to understand and answered all our questions.

    2026-01-10

  • He is patient, kind and I never felt rushed. He answered my questions in a way I could understand.

    2026-01-10

  • Thoughtful. Thorough. Reassuring. Extremely easy to communicate with. Put me at ease immediately.

    2026-01-10

  • Very good doctor and a nice person

    2026-01-08

  • What else can I say. I like Dr Usher, see him for 30 years.

    2026-01-08

  • Dr. Usher is the best

    2026-01-08

  • This was my first meeting with Dr Usher, as my previous MS physician left the practice. I found him extremely caring and interested in how I was feeling. He took a detailed history of my ms journey and explained possible adjustments to my medication, if needed. Dr Usher is a perfect example of the quality of physicians that Mass General Brigham employs.

    2025-12-29

  • He was politely friendly and explained everything asked.

    2025-12-20

  • Good people

    2025-12-17

  • Dr. Usher was thoughtful and thorough...he explained things extremely well. His approach to patient interaction should be the model!

    2025-12-14

  • It was a pleasure to meet with Dr. Usher and get his input and oversight into the treatment options for my post-traumatic migraines.

    2025-12-07

  • Dr. Usher is very good. I like him and I would recommend him to anybody.

    2025-12-05

  • Doctor was a professional but also low key. He was a great listener and asked questions.

    2025-12-03

  • Takes time with my appointment don't feel as I being timed

    2025-12-01

  • I would have appreciated more current information regarding migraine treatment besides more medication

    2025-12-02

  • Dr Usher was exceptional: professional, extremely thorough, personable... absolutely the best

    2025-11-30

  • I believe the Dr heard me say a lot of different information, on some there was commiseration, but not an actionable plan. [redacted] Overall, I felt that I presented an overwhelming amount of information and the Dr is proceeding with adequate suggestions concerning apnea and the MCI. Unfortunately the present day medical knowledge is not advanced enough to answer my questions and concerns. I plan to continue with this practitioner.

    2025-11-29

  • It is very important for me toc meet this provider once a year. I hope that this person will never be replaced by a computer.,

    2025-11-29

  • Dr. Usher has been my care provider for decades now and have the utmost respect for the care delivery that he provides to me. Keeps me healthy, keeps me working, keeps me off as many medications as possible given my migraine extensive history. I have a lot of great respect, as mentioned. Always treats me as a wonderful individual, which everybody's looking for in the healthcare arena. That's all I'd like to say. Thank you.

    2025-11-24

  • Dr. Usher is a class act. I forgot to ask if I would be a candidate for a "Inspire device" rather than my CPAP?

    2025-11-22

  • Dr. Usher is caring, personable and knowledgeable. He encouraged me today and I'm grateful for that.

    2025-11-17

  • Dr. Usher is one of the most professional and courteous doctors I have ever seen in my entire life. Thank you.

    2025-11-19

  • I always look forward to my time with Dr. Usher. I am happy he was able to accept me into his practice a few years ago. His solutions to my issues are always creative. I wish there were more neurologists with his knowledge, demeanor, and experience.

    2025-11-16

  • Excellent experience with Dr Usher

    2025-11-06

  • Dr Usher has always been professional caring and open to our concerns. He listens carefully and answers any questions. We never feel rushed and he always double checks that all our concerns were addressed.

    2025-11-05

  • Dr Usher does a great job, and I like him very much. He's professional, caring, and answers all our questions.

    2025-11-05

  • Dr Usher has been along time provider and friend who I hold in very high regard. I trust Dr Usher to provide me with the best care available.

    2025-10-27

  • Answered questions and took notes.

    2025-10-26

  • Provider seemed very knowledgable and helpful!

    2025-10-17

  • Dr. Usher is always thoughtful and patient and considerate. I could hardly ask for a better physician.

    2025-10-15

  • I have had Dr. Usher for many many years and he really knows what he's talking about. He also loves his work and always takes good care of me and my concerns. I wish I had his knowledge but that's why I go to him. He's a great doctor. I always look forward to meeting with him.

    2025-10-13

  • Great experience

    2025-10-13

  • I felt relaxed and comfortable with him i wa a nurse for over forty years and I felt like I lwas being treated with respect

    2025-10-09

  • Everyone was very professional and relaxed.They informed me well of how to move forward after explaining my results.Very nicely done all around.

    2025-10-02

  • The physician that I saw was extremely knowledgeable and patient. He took the time to review my history, to go through and examine my neurological function, and to discuss medication options. I felt very heard. He was thoughtful in his answers and was not rushed, and it was a very productive experience.

    2025-09-29

  • Lucky to have the Dr. And nurse examine me! Thank You!

    2025-10-01

  • Dr Usher has been my neurologist for many years. He is kind, patient and an excellent doctor

    2025-09-29

  • Listened to me when taking history, answered my questions.

    2025-09-28

  • Hi, everything was fine.

    2025-09-27

  • I've been a long term patient of Dr. Usher and find him to be a good man and excellent with his medical knowledge. He has always been very collaborative with my care.

    2025-09-24

  • Dr. Usher was wonderful, his exam was thorough and he did a great job explaining things to me. However I waited 10 months to be able to get an appointment with him which was stressful.

    2025-09-22

  • I was seen quickly. He listened to my health complaint carefully. He asked many questions about my general health and my neurological problem. He welcomed me to his practice. Days after my visit, he responded to an email that I sent him.

    2025-09-22

  • Dr Usher took time to discuss all the important aspects of my situation with me. He was knowledgeable and professional throughout and addressed all my questions and concerns thoroughly.

    2025-09-21

  • I was lucky to get in to see Dr Usher He was great and very helpful

    2025-09-04

  • Dr. Usher is a very caring and knowledgeable physician. He has cared for me for a long period of time, and it has been excellent. Can't recommend him highly enough. He is terrific. Thank you.

    2025-09-05

  • Great doctor personable loves his job

    2025-09-04

  • EXCELLENT

    2025-09-04

  • Dr. Usher is one of the best. Can't recommend him enough.

    2025-08-29

  • We think Dr. Usher is absolutely wonderful. He's taking good care of [redacted]. And he's doing the very best he can to try to help her with her tremors. So we're extremely pleased. [redacted] I thank you very much and have a good day.

    2025-08-29

  • awesome

    2025-08-24

  • Dr Usher was very warm and caring. He was clear about responding to my questions.

    2025-08-23

Accepted Insurance

  • Commonwealth Care Alliance
  • Wellpoint
  • Fallon Health
  • WellSense
  • Blue Cross Blue Shield Medicare
  • Senior Whole Health
  • Maine Community Health Options
  • Tufts Medicare Preferred
  • Blue Cross Blue Shield
  • Multiplan
  • Beech Street
  • MassHealth
  • AmeriHealth Caritas New Hampshire
  • Medicaid NH
  • Coventry
  • Humana
  • Martin's Point
  • TriCare
  • Aetna
  • Harvard Pilgrim Health Care
  • Medicare
  • Medicaid ME
  • United Health Care
  • WellSense NH
  • NH Healthy Families
  • Three Rivers
  • Tufts Health Plan
  • Tricare/ HealthNet Federal Services
  • Cigna
  • Blue Cross Blue Shield - Federal
  • Medicare ACO
  • Community Health Options
  • Blue Cross Blue Shield NH
  • Multiplan/PHCS
  • Meridian Health Plan
  • Blue Cross Blue Shield ME
  • Mass General Brigham Health Plan
  • MVP
  • Railroad Medicare