Jonathan J Passeri, MD

Patient Feedback

4.955814 average rating from 172 reviews

• I am very happy with every aspect of my visit. Every member of the staff was outstanding. Doctors were great. Nurses great. Check in personal respectful and welcoming. Great information given. A total wonderful experience!

  2026-08-08

• I wish he wasn't so good so I could see him sooner. Otherwise it was a very good experience.

  2026-08-01

• It went well

  2026-08-01

• Always an excellent discussion about my health!

  2026-07-26

• This was my first visit with Dr. Passeri and it was wonderful He made me feel like everything was important, super kind and very knowledgeable. I'm extremely happy that I'm able to have him as my cardiologist.

  2026-07-25

• The Doctor was amazing and thoughtful and friendly.

  2026-07-25

• Hello, Dr. Passeri is very knowledgeable and personable and I would recommend him to family and friends. Thank you.

  2026-07-13

• Professional, knowledgeable, prepared. I was absolutely confident I was in good hands at the right place.

  2026-07-12

• Always receive excellent care

  2026-07-11

• Excellent Doctor and organization.

  2026-07-11

• Very professional and provided good detail concerning my condition

  2026-07-10

• Provides excellent care

  2026-07-08

• Excellent, knowledgeable.

  2026-07-07

• Dr. Passeri and his entire staff are world class in my opinion! I feel so fortunate I have this team in my life! [redacted] Thank you!

  2026-07-05

• I feel fortunate having him as a provider

  2026-07-04

• I like and trust him completely. I couldn't be happier.

  2026-06-27

• I am extremely pleased with my visit with Dr. Passeri, and I am fully confident in his care going forward.

  2026-06-27

• Superior communication skills. I felt cared for.

  2026-06-21

• An aura of concern, readiness, response.

  2026-06-21

• Dr. Passeri was very knowledgeable, exuded confidence, gave the impression that he understood and was comforting. I found him very helpful and was a definite example of what I think a Mass General physician should be, the ultimate professional.

  2026-06-18

• The best.

  2026-06-17

• He answered all our questions in a way that we understood.

  2026-06-17

• Competence and professionalism are the reason I go to MGH practices. This provider is no exception. I would recommend him to friends or colleagues without reservation. (And this review is coming from an academic physician)

  2026-06-13

• Everything was fine

  2026-06-13

• Dr. Passeri was very attentive to concerns that I had. He reviewed the recent echo I had and comforted me that the mitral valve repair done 4 years ago was still holding up well. He followed up on new concerns that I had with my health and made adjustments to my medications. He is always friendly and pleasant to deal with. I am very satisfied with having him as my cardiologist.

  2026-06-07

• He is great!

  2026-06-07

• DR. PASSERI THANK YOU FOR ALL YOUR HELP.

  2026-06-06

• I was very, very pleased with my visit. I felt that Dr. Passeri asked pertinent questions and gave me enough time to answer them. He seemed to be on top of anything that was pertinent to my case. And all in all, I couldn't have asked for a better visit.

  2026-05-25

• Excellent,professional care,always look forward to appointment.

  2026-05-23

• My first time seeing him. I was quite pleased.

  2026-05-23

• Very professional, helpful and knowledgeable. The Med assistant was so kind and professional as well.

  2026-05-22

• Exactly pleasant and informative! Nice experience for my first visit!

  2026-05-16

• I like and respect Dr. Passari very much.

  2026-05-13

• He was confident, professional and calming. I had some anxiety about my echo results. He even used appropriate humor on this visit. Gave me choices on the future.set me up for more definite testing in the future. He stressed there was no emergency and cleared me for travel. I want to share his secretary [redacted] is an angel. [redacted] Great team. I truly trust this team with my life

  2026-05-10

• Very knowledgable and attentive. This was my first visit and I left feeling very good about it, confident I was in good hands.

  2026-05-09

• Provider was excellent. [redacted]

  2026-05-08

• Doctor Passeri is one of the best.

  2026-04-26

• Dr. Passeri has provided excellent care since I first met him during my week of being hospitalized at Mass General last year. I am deeply grateful.

  2026-04-26

• I am doing well from a heart valve replacement. Great work.

  2026-04-25

• My provider was wonderful, but did feel a bit rushed. I think this is a product of the Healthcare system rather than anything on my provider's end, and he did ensure that my concerns were addressed even in the short time

  2026-04-25

• Dr. Passeri is the best!

  2026-04-06

• the doctor counseled me about medication appropriate for my condition. He explained things very clearly.

  2026-03-28

• Excellent physician

  2026-03-22

• I have been seeing Dr Passeri for 7 years and he has been critical to my continued wellbeing and cardiac health. He is extremely knowledgeable and on top of the latest treatments and protocols for my cardiac care. He is extremely easy to talk to, explains his approach to my care in clear and unambiguous terms and communicates with my other MGB providers.

  2026-03-18

• [redacted] First interaction with Dr Passeri 's team... from intake to check out, -a well oiled machine... [redacted] Dr Passeri himself was incredibly knowledgeable and kind and set forth a plan WITH us, to solve my heart issue... I finally feel now as if I am with the team that will solve this issue for me

  2026-03-08

• Dr Passeri is wonderful and has patience with my endless questions. I'm always at ease after his reassurance. He also treats me as an athlete not a [redacted] year old female.

  2026-03-07

• Superb cardiac care

  2026-03-07

• Very pleasant conversation with the doctor took his time to answer. All my questions was not in a rush to get me off the phone.

  2026-03-01

• is very knowledgeable and focused. Answe rs question fully but is not overly chatty.

  2026-02-07

• Dr. Passeri is not only extremely knowledgeable and experienced, but has excellent bedside manner. He is efficient as well and I appreciate the time he took to explain things to me as I was very worried about my echo. I am so grateful for his care and trust him as my Cardiologist.

  2026-01-14

• Dr. Passeri and his staff were very, very knowledgeable, courteous, very helpful. They made the appointment extremely easy and I understood everything that Dr. Passeri had to say to me. It was a great experience and I couldn't say more about their professionalism and their courteousness. Thank you.

  2025-12-22

• Short but useful visit.

  2025-12-21

• Yes, I've been with Dr. Passeri for over 10 years now and he's been my, he was my heart surgeon. I had open heart surgery several times and I've been 100% successful and I'm in good health at [redacted] years old. He's the best.

  2025-12-19

• I am sincerely grateful for the incredible care, guidance & support that I receive from Dr Passeri. He is an outstanding Dr and leader for MGH

  2025-12-16

• Friendly, respectful, knowledgeable and committed to his patients! As good as it gets!

  2025-12-15

• Excellent doctor on all counts.

  2025-12-09

• Dr Passeri is very good and he saved mylife

  2025-12-08

• Every person I encountered was amazing!

  2025-12-07

• Very efficient. I have confidence in MGH.

  2025-11-29

• Dr. Passeri was very thoughtful at my visit. He looked at all parts of my heart and considered each piece. We had a discussion around treatments and Dr. Passeri took what I had to say into consideration. I appreciated his candor and time.

  2025-11-28

• Nothing to add overall a good experience

  2025-11-29

• Extraordinarily happy. Very kind and understanding. I would recommend to anyone else

  2025-11-24

• Dr Passeri is great ! I would recommend him and have recommended him to others.

  2025-11-23

• Overall very satisfied

  2025-11-22

• Dr Passeri is exceptional. He is both personable and caring. Could not be happier with his care

  2025-11-22

• This was a good-news visit so there wasn't anything to be concerned about.

  2025-11-20

• Very good echo technician

  2025-11-19

• Initially, we were overwhelmed by the amount of people in the waiting rooms, but we're amazed at how efficiently patients were called and got in to see their physicians. We were able to arrange a follow up meeting in your wall offices, combining a CAT scan and a team visit Which greatly facilitated our being able to return in a timely fashion

  2025-11-17

• I am a physician and will continue to refer my patients to him

  2025-11-08

• Dr. Passeri and his staff are the BEST! [redacted]

  2025-11-02

• Dr Passeri walks into the exam room fully versed in my health history and test results. Very impressed - inspires confidence in his oversight of my cardiac health.

  2025-10-24

• Professional, knowledgeable, easy to communicate my concerns and not feeling "Not important" .

  2025-10-16

• I love seeing my cardiologist and am glad to visit all doctors at MGH.

  2025-10-15

• I have been with Dr. Passeri for over a decade. I would not change anything for the care I have gotten, and advice and suggestions for my various interventions and surgeries.

  2025-10-15

• Firm handshake and smart man

  2025-10-11

• The doctor ordered two tests and I got appointments the next day

  2025-10-04

• Dr Passeri and his staff are outstanding. [redacted]

  2025-09-20

• I am more than fortunate to be this doctor's patient

  2025-09-22