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Gregory A Imbrie

Gregory A Imbrie, MD, PhD

Cardiology

Mass General Brigham

Highlights

Age Groups Seen

  • Adults

Languages

  • English

Gender

Male

Locations

  1. Mass General Brigham Cardiology Clinic
  2. Mass General Brigham Cardiology Clinic at Portsmouth

Expertise

Education

  • Fellowship: Tufts Medical Center, Interventional Cardiology, 2015
  • Fellowship: Tufts Medical Center, Cardiovascular Disease, 2014
  • Fellowship: Tufts Medical Center, T32 NIH Fellowship, 2011
  • Internship: Duke University Medical Center, Internal Medicine, 2010
  • Medical Education: Boston University, 2007

Board Certifications

  • Interventional Cardiology: American Board of Internal Medicine, 2016
  • Internal Medicine: American Board of Internal Medicine, 2014
  • Cardiovascular Disease: American Board of Internal Medicine, 2014

Insurance

Search plans
  • Aetna
  • AmeriHealth Caritas New Hampshire
  • Blue Cross Blue Shield - Federal
  • Blue Cross Blue Shield ME
  • Blue Cross Blue Shield NH
  • Cigna
  • Community Health Options
  • Coventry
  • Harvard Pilgrim Health Care
  • Humana
  • Martin's Point
  • Mass General Brigham Health Plan
  • Medicaid ME
  • Medicaid NH
  • Medicare
  • Medicare ACO
  • Multiplan/PHCS
  • NH Healthy Families
  • Railroad Medicare
  • TriCare
  • Tricare/ HealthNet Federal Services
  • Tufts Health Plan
  • United Health Care
  • WellCare
  • WellSense NH

Ratings & Reviews

4.9 out of 5

344 ratings, 122 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 7/4/2026

    [redacted] I always get treated with respect at this office and from the receptionist to the nurses and the Doctor. They have a great team at this site.

  • Reviewed on 7/2/2026

    I am grateful to have Dr. Imbrie and his team as my cardiology support. I am not shy about asking questions about my care and appreciate when the time is taken to respond.

  • Reviewed on 7/1/2026

    First visit with Dr. Imbrie. I felt very comfortable talking with him. He is very knowledgeable and professional. He explained everything so we could understand. He listened carefully to our questions and concerns. I feel extremely fortunate to have him on my care team.

  • Reviewed on 6/30/2026

    Things were explained to me so much better than being with Maine health, where I was not getting my answers

  • Reviewed on 7/3/2026

    Dr. Imbrie was thoughtful and considerate and patient. He seemed to genuinely care about my health concerns and outcomes.

  • Reviewed on 7/1/2026

    Seemed thorough and knowledgeable.

  • Reviewed on 7/1/2026

    [redacted] Dr. Imbrie always is very attentive and I feel very fortunate to have him as my cardiologist.

  • Reviewed on 6/25/2026

    Dr. Imbrie and his staff were outstanding. That's all I have to say. They're excellent. Thank you.

  • Reviewed on 6/21/2026

    It was a good experience.

  • Reviewed on 6/20/2026

    Overall visits was prompt, professional and on point.

  • Reviewed on 6/17/2026

    nice Job

  • Reviewed on 6/17/2026

    very happy withe docters and staff thank u [redacted]

  • Reviewed on 6/14/2026

    Dr Imbrie took the time to listen too and answer all of our questions. We left much reassured as to my condition.

  • Reviewed on 6/6/2026

    Professional, knowledgeable and thoughtful.

  • Reviewed on 6/4/2026

    I would have liked if the provider viewed the imaging and medical history before I was in the room or at all

  • Reviewed on 6/3/2026

    This appointment was for a second opinion. The result is by having switched to this provider from the prior one . I think that says it all.

  • Reviewed on 6/3/2026

    Dr. Imbrie listens and explains exceptionally well.

  • Reviewed on 6/3/2026

    Dr. Imbrie was very empathetic. He was a good listener and I felt like he really cared about my health. I would highly recommend him.

  • Reviewed on 6/3/2026

    Dr. Imbrie took the time to locate additional information regarding prescription options available to me and provided me with a clear explanation.

  • Reviewed on 5/31/2026

    While Dr. Imbrie was somewhat personable, he contradicted information that my regular cardiologist (who I trust more than almost any other doctor I've ever seen) has explained to me, which made me hesitant. Then he basically said that the test he would do would prove that I didn't have a condition that several other doctors believe I may have the early stages of, so right from the beginning he was more or less dismissing mine and my doctors' concerns and saying I didn't have something without having even done the test yet. And then when he was explaining how the test was administered, he was making decisions that concerned me, and did not make me feel comfortable having him do the test. He's probably a great doctor for other people with other conditions, but he was not a good fit for me.

  • Reviewed on 5/28/2026

    Hi, Dr. Imbrie is a very excellent doctor. He's very precise and he really seems like he cares and I really appreciate. He's really a great doctor. Thank you.

  • Reviewed on 5/25/2026

    My doctor was awesome. He explained To me. He did not rush me. He listened to me. I would definitely would recommend him.

  • Reviewed on 5/26/2026

    Dr. Imbrie is a great doctor. Very knowledgeable. Very thorough and very,concerned about me,as a,patient

  • Reviewed on 5/22/2026

    He was excellent, excellent person. Happy to have him as my provider.

  • Reviewed on 5/21/2026

    Dr. Imbrie is always professional, courteous and helpful. Very confident in the care he provides.

  • Reviewed on 5/21/2026

    Very happy with the care I received !

  • Reviewed on 5/18/2026

    It was my first visit with this Doctor. He was very personable and thorough.

  • Reviewed on 5/18/2026

    I was seen by a NP who was great. Dr. Imbrie came in at the very end of my appt.

  • Reviewed on 5/18/2026

    The best!

  • Reviewed on 5/10/2026

    Dr Imbrie was as awesome as he has always been.

  • Reviewed on 4/27/2026

    From the start of my Cancer treatment I have been treated with care and respect. All the staff have been very friendly.

  • Reviewed on 4/26/2026

    Excellent

  • Reviewed on 4/26/2026

    He was very empathetic, thorough, patient and comprehensive.

  • Reviewed on 4/26/2026

    All of the Wentworth Douglas cardiology staff were excellent.

  • Reviewed on 4/25/2026

    Professional friendly

  • Reviewed on 4/22/2026

    Nicely done

  • Reviewed on 4/19/2026

    Dr explained my scan results very clear and the follow up was established for into a 2 year exam. Dr explained any symptoms that I may have to which a follow-up would be sooner.

  • Reviewed on 4/12/2026

    They were great

  • Reviewed on 4/9/2026

    All was very good, as noted above, except the doctor seemed a bit rushed. He didn't spend as much time with discussion around my lifestyle factors that may or may not be related to my health, and specifically my heart condition.

  • Reviewed on 4/4/2026

    Dr has always easy to talk to. He explains everything easy to understand.

  • Reviewed on 4/4/2026

    Very very sharp. Listened, explained and treated me with respect even though I have zero experience and virtually zero knowledge with heart issues. Outstanding! Thank you.

  • Reviewed on 3/29/2026

    Very relaxing visit felt comfortable speaking with Dr. Imbrie

  • Reviewed on 3/28/2026

    The best possible care you could ask for

  • Reviewed on 3/24/2026

    Very professional

  • Reviewed on 3/24/2026

    He is a very kind and good listener. He treated me with respect and explained everything so that I understood everything.

  • Reviewed on 3/21/2026

    Didn't fully address how I was feeling.

  • Reviewed on 3/15/2026

    Dr. Imbrie is a fantastic doctor and I am so lucky to have him.

  • Reviewed on 3/15/2026

    I always find him very thorough. He explains everything. I feel very comfortable in his care.

  • Reviewed on 3/14/2026

    He is very good... obviously is a real expert in cardiology. Glad i got an appointment with him.

  • Reviewed on 3/12/2026

    the best in the field in my opinion

  • Reviewed on 3/10/2026

    Dr Imbrei was exceptional during my visit. He was easy to talk to, very understanding and empathetic, and calmed my fears. He never seemed rushed and I truly felt I was in good hands. I am very grateful!!!

  • Reviewed on 3/9/2026

    Very well informed about this field and options. Thanks

  • Reviewed on 3/8/2026

    Medical terms were not clearly defined or explained. I left without knowing if suggested follow-ups were necessary.

  • Reviewed on 3/5/2026

    I had a very good experience with this care provider. He explained everything that was concerning me and made everything clear.

  • Reviewed on 3/4/2026

    he is the best .

  • Reviewed on 3/2/2026

    I had a good experience with the doctor and he seemed to be very thorough. He was easy to talk to even though I didn't have all the answers to questions he asked.

  • Reviewed on 2/23/2026

    Dr. Imbrie was outstanding! He took his time and answered all of my questions.

  • Reviewed on 2/18/2026

    Thanks

  • Reviewed on 2/18/2026

    I brought up experiencing light headedness and felt that it was dismissed as low blood pressure without Dr. Imbrie saying anything more about it.

  • Reviewed on 2/14/2026

    All good thank you

  • Reviewed on 2/12/2026

    professional office

  • Reviewed on 2/11/2026

    [redacted] Dr. Imbrie really takes his time to explain things to you. He looks directly at you and doesn't divert his attention on anything else. Very caring !

  • Reviewed on 2/27/2026

    I like my Dr very much. He gets you in and gets the job done.

  • Reviewed on 2/26/2026

    I have complete trust in Dr. Imbrie and the care I receive from him.

  • Reviewed on 2/24/2026

    This is a great practice!! Always very through with care !

  • Reviewed on 2/10/2026

    This team is wonderful and im so happy to have found them

  • Reviewed on 2/2/2026

    He is always very professional and caring, offering fact for his decision making

  • Reviewed on 2/3/2026

    Dr. Imbrie listens carefully & explains things well. He does not rush through the appointment.

  • Reviewed on 2/1/2026

    Warm personable and easy to talk to.

  • Reviewed on 1/29/2026

    Excellent visit

  • Reviewed on 1/19/2026

    Very efficient.

  • Reviewed on 1/19/2026

    He made me uncomfortable and felt like I wasn't answering his questions how he wanted me to

  • Reviewed on 1/19/2026

    Dr. Imbrie is thorough and professional. An excellent cardiologist.

  • Reviewed on 1/18/2026

    well informed & trustworthy

  • Reviewed on 1/18/2026

    Dr. Imbri is acdoctor that is well prepared for my appointment. He knows what has been going on since our last appointment and why I'm there. We discuss why I reached out, and what I was hoping to resolve. After some discussion he increased one medication for a week and added another. A blood test in a week. I'm to resume the regular dosage of the one one medication and continue with the new one.

  • Reviewed on 1/14/2026

    I like his demeanor and the straightforwardness as it relates to details about your health. I am glad I have Dr. Imbrie as my cardiologist.

  • Reviewed on 1/14/2026

    The people that i met there were kind happy people which made the experience a pleasure.

  • Reviewed on 1/12/2026

    Excellent and professional Provider and staff

  • Reviewed on 1/12/2026

    Doctors and Nurses engaged in a friendly and efficient manner.

  • Reviewed on 12/24/2025

    Dr Imbrie is very professional and courteous and takes the time to explain and talk to me and to listen to my questions.

  • Reviewed on 12/20/2025

    Dr. Imbrie was just excellent in all respects. I feel very comfortable with him and would recommend in a second.

  • Reviewed on 12/16/2025

    all ok

  • Reviewed on 12/16/2025

    Dr. Imbrie was patient, professional, direct and to the point, listened and respected my concerns and comments. He certainly seems to be on top of his profession. I would highly recommend him at this point.

  • Reviewed on 12/15/2025

    Amicable, Knowledgeable, professional.

  • Reviewed on 12/9/2025

    Listened to me and respected my opinion. Did not lecture me

  • Reviewed on 12/5/2025

    Everything went well. The nurse was fantastic. Dr. Imbrie is the best. I have absolutely zero complaints about anything. I am definitely very happy with Dr. Imbrie and I know that I'm in very good hands. I hope you get this message back to him. Thank you.

  • Reviewed on 12/5/2025

    Very professional...discussed current medications and alternatives carrying forward...good listener and encouraging approach to what to do next

  • Reviewed on 12/2/2025

    As always, excellent, I have recommended Wentworth and Dr. Imbrie

  • Reviewed on 11/30/2025

    Dr Imbrie was very well prepared and very knowledgeable

  • Reviewed on 11/25/2025

    I have confidence in the staff at WD

  • Reviewed on 11/25/2025

    First visit there. I am happy with this provider. He was very professional, knowledgeable and thorough.

  • Reviewed on 11/24/2025

    My cardiologist was at 1 hospital and the surgical and visiting nurses Another so sharing all the information was a bit tough I think it was more systemic than a people problem.

  • Reviewed on 11/24/2025

    Felt Dr Imbrie was a bit dismissive this time around.

  • Reviewed on 11/23/2025

    Professional

  • Reviewed on 11/19/2025

    Takes an interest in my inputs and gives good feedback

  • Reviewed on 11/15/2025

    Cannot say enough good things about my experience with Dr. Imbrie !

  • Reviewed on 11/9/2025

    Dr. Imbrie knew my history before entering the exam room. He was very thorough with his questions and answers to my questions. His explanation of all topics we covered was exceptionally clear and understandable. I felt I had been cared for by a highly competent, thoughtful provider with excellent communication skills.

  • Reviewed on 10/30/2025

    This provider is very thorough, very helpful, very understanding.

  • Reviewed on 10/29/2025

    Yeah, it was a good experience. It was nice meeting the doctor. He seems [redacted], smart, and I'm going to stay with him. That's it.

  • Reviewed on 10/28/2025

    Felt very comfortable and in good hands. Did not feel rushed at all.

  • Reviewed on 10/26/2025

    I am pleased to be with MGB. They are aware of my stent and cancer from previous providers.

  • Reviewed on 10/16/2025

    Dr. Imbrie was very professional and listened to my concerns and came up with a plan to address them.

  • Reviewed on 10/16/2025

    This doctor was very attentive and careful in listening and explaining, and he was absolutely wonderful to deal with.

  • Reviewed on 10/13/2025

    Great dr. So easy to talk to.

  • Reviewed on 10/11/2025

    It was definitely the best office visit I've had in years

  • Reviewed on 10/8/2025

    Dr. Imbrie was professional, knowledgeable and explained reasons for my upcoming procedure

  • Reviewed on 10/8/2025

    A nicer office would be fitting for this level of required care and the quality provider

  • Reviewed on 10/2/2025

    I had a bad fall but had great care at the hospital

  • Reviewed on 10/2/2025

    He is great!

  • Reviewed on 10/1/2025

    My doctor treated me for stents and he was great

  • Reviewed on 9/29/2025

    Very professional and courteous.

  • Reviewed on 9/28/2025

    He was very knowledgeable, caring and listened carefully to me. He answered my questions and concerns clearly and ordered appropriate tests.

  • Reviewed on 9/26/2025

    I always enjoy seeing Dr Imbrie; he is easy to talk to, and I feel better after my visit.

  • Reviewed on 9/25/2025

    Dr Imbrie has always listened, explained and understood what my concerns are. I felt bad because when I went into the office and saw the sign saying he was behind. It can be viewed as negative. Sometimes us older people need time to understand or need something unexpected. Why else would a doctor run behind, other than caring for their patients? It's not like they're playing cards! I'm sure if you were the patient, you'd want to be treated like that.

  • Reviewed on 9/22/2025

    Very satisfied with the experience.

  • Reviewed on 9/17/2025

    Dr. Imbrie is my interventional cardiologist whom I have great regard for, and during this trip, I brought my brother-in-law to be examined. This demonstrates the high level of regard that I hold for Greg

  • Reviewed on 9/4/2025

    It is a shame that drs gave to downs the majority of their time typing on the computer instead of looking at the patient and really being invested in their needs and concerns

  • Reviewed on 9/4/2025

    Dr.Imbrie is a knowledgeable, caring, professional in every way. He takes time to explain everything in detail. He never rushes you and shows interest in all aspects of your health. He is an amazing doctor!

  • Reviewed on 8/22/2025

    I like the care provider.

  • Reviewed on 8/19/2025

    Truly appreciated Dr Imbrie's descriptions and explanations of my history and treatments

  • Reviewed on 8/20/2025

    I was very satisfied with my visit with the doctor, period. I felt I was informed properly. He answered all of my questions and made me feel at ease.

  • Reviewed on 8/18/2025

    He showed an interest in my comments and/or questions about other aspects of my life, so I felt more like he really cared about me as a whole person, not just about a heart.