John Bertrand Cadigan, MD

Patient Feedback

4.887923 average rating from 414 reviews

• Very knowledgeable

  2026-08-09

• I had a appointment that I was looking for information and change my medication and everything worked perfectly

  2026-08-09

• Dr. Cadigan was very professional, knowledgeable, and explained very clearly possible next steps to address any concerns that I may have had.

  2026-08-07

• Great practice

  2026-08-06

• Dr. Cadigan is wonderful.

  2026-08-03

• The doctor was extremely thorough, extremely patient, extremely knowledgeable, listened to all my concerns, made recommendations, excellent service overall.

  2026-08-03

• Great personality

  2026-07-27

• Dr. Cadigan, easily one of the favorite doctors I've ever seen in my life. I'm [redacted] years old. Great bedside manner. Great guy. [redacted]

  2026-07-24

• Dr. Cadigan always takes good care of my needs. No issues!

  2026-07-20

• Very caring Doctor

  2026-07-19

• We have been together as patient and physician for several years. He has been particularly responsive when he is aware that I am having new symptoms or that a lab test may be off or an EKG may show some abnormalities which need follow-up.

  2026-07-15

• Dr. Cadigan is great. He treats me like a partner in my health care. One of the best!

  2026-07-12

• Excellent

  2026-07-12

• Very professional and give me timely information and advice.

  2026-07-10

• This was my first visit with Dr Cadigan and I found him to be very thorough and attentive to all my concerns.

  2026-07-09

• Dr. Cadigan was excellent. He took the right amount of time, answered every single question that we had prepared coming in, took the time to let us listen to those answers and ask follow-up questions, and he had an answer for everything. It was a great, great experience.

  2026-07-09

• DOCTOR and NURSES were friendly and professional. [redacted]

  2026-07-08

• Dr. CADIGAN is a wonderful doctor!!

  2026-07-06

• The physician was wonderful. He explained things that no other doctor had explained. I highly recommend him!

  2026-07-06

• Dr. CADIGAN is great [redacted]

  2026-07-06

• It was an exceptional visit. Dr. Cadigan was thorough with his examination, discussion and plan to address my medical needs.

  2026-07-06

• Dr. Cadigan has always given me sufficient time at appointments. He listens very attentively. He explains everything very clearly and he has provided information that is, you know, excellent. I highly recommend Dr. Cadigan.

  2026-07-08

• Always exceptional customer service in Westwood and a very clean facility

  2026-07-05

• Excellent care

  2026-07-04

• Dr. Cadigan is very patient and always takes his time to explain and answer questions

  2026-07-02

• This was my first appointment with Dr. Cadigan and I felt very comfortable with him. He clearly has a lot of experience. He does like statins I will say that. So far he hasn't prescribed them for me. Time will tell. But I felt listened to and respected.

  2026-07-01

• I could not have been happier with the care and attention I was given

  2026-06-28

• The cardiologist was exceptional, i was amazed how attentive and thourough he was; He explained things in a way I could understand and addresses issues and areas of concern.

  2026-06-28

• Dr. CADIGAN is a very thorough and knowledgeable cardiologist. [redacted]

  2026-07-01

• He is just what a patient wants in a doctor. [redacted]

  2026-06-16

• Excellent staff, facility and location.

  2026-06-14

• Dr, Cadigan was great!

  2026-06-15

• I was very pleased that he was thorough

  2026-06-15

• True professional

  2026-06-17

• The medical services provided by both the nurse and doctor were excellent.

  2026-06-12

• I appreciated Dr. Cadigan's care greatly. Thank you.

  2026-06-09

• Dr was easy to relax with and cared about my situation and even though we had never met his follow up showed he was watching out for me

  2026-06-10

• Great experience.

  2026-06-11

• Dr Cadigan listened to my concerns, looked at my meds, saw an overlap between one of my beta blockers and an eye drop med and made a pill adjustment, with me involved.

  2026-06-10

• A fine doctor and a gentleman

  2026-06-06

• Good to see Dr. I wish he explained my EKG, all I hear is "it looks good". What is it all about??

  2026-06-06

• It was exceptional.

  2026-06-03

• I was very impressed with Dr. Cadigan. [redacted]

  2026-06-02

• Excellent doctor and easy to talk to. At times it is difficult to convey to the receptionist that you would like the doctor to call or you have questions for the doctor/

  2026-05-30

• Dr Cadigan was very professional but also listened to me carefully

  2026-05-26

• Top notch provider. I always feel like I'm under excellent care.

  2026-05-23

• Dr. Cadigan was excellent. He listened carefully to my concerns, explained everything clearly and answered all of my questions.

  2026-05-18

• Dr Cadigan is very attentive and listen to everything you say and gives a great great response. He is the best.

  2026-05-17

• Dr. Cadigan has always been thorough and explained everything completely.

  2026-05-15

• Dr Cadigan was friendly, professional and caring. He encouraged me to talk about my condition and he did it in a comfortable manner.

  2026-05-04

• Dr Cadigan is an excellent provider who is not only highly qualified but is also very personable and caring, a winning combination!! I have recommended him to several friends and family members.

  2026-05-03

• Everyone that I encountered during my treatment was very supportive

  2026-05-03

• Great appointment

  2026-04-29

• Dr. Cardigan is an exceptional cardiologist. He is up-to-date with the knowledge in his area. He also provides useful suggestions to support my future care. Additionally, he has a GREAT personality. He is the best

  2026-04-27

• Diligent. Professional. Respectful. Approachable.

  2026-05-04

• As always, I a most satisfying visit with Dr. Cadigan. He never seems rushed, and answers all my questions in a complete way.

  2026-04-26

• Excellent. Caring and professional.

  2026-04-22

• Professional, friendly, knowledgeable

  2026-04-22

• This was only my first appointment, but I know a lot more now

  2026-04-20

• Dr. CADIGAN was very thorough and he's very easy to talk to. Thank you for your time. Goodbye.

  2026-04-19

• He was very attentive to my questions

  2026-04-21

• I wasn't, I was left in the room and nobody came in and so I left and he wanted me to have all this stuff done, but I have, it's almost a week now and I haven't heard from anybody.

  2026-04-20

• Dr. Cadigan is professional, courteous, and empathetic. He is knowledgeable and I put my trust in his care. I feel he has my best interest at heart.

  2026-04-19

• A nice visit for first one. Pleasant helpful experience

  2026-04-18

• He listened to what I said

  2026-04-16

• Easy to talk to and answer questions

  2026-04-17

• Professional

  2026-04-13

• I have seen him for a few years which having continuity is important to facilitate communication in general and specifically on past medical issues without having to start from the beginning with another doctor.

  2026-04-12

• I would recommend this office in the future to family & friends.

  2026-04-08

• Dr Cadigan is caring, and listens to my questions and concerns.

  2026-04-08

• This provider was the first provider seen when care was established at Brigham and Women's back in 2023 and not seen again until 2026. Dr Cadigan ordered all the testing in 2023 and referred me to other providers with the expertise that was needed for my care. I would not be where I am today without Dr Cadigan's expertise.

  2026-04-09

• Dr Cadigan listened to everything I said and developed a plan to address all of my concerns. He prescribed a series of tests to thoroughly validate whether or not prescription medicine is needed.

  2026-04-06

• Very pleased to be a patient with Dr Cadigan.

  2026-04-05

• Excellent care

  2026-04-06

• Listened attentively and answered all my questions. Explained things on matters I am not familiar with. Was not rushed and we had a fairly long visit.

  2026-04-05

• He is very nice

  2026-04-01

• Very caring and took time to explain everything!

  2026-03-31

• My wife and I were so impressed with the care and comfort we received especially with the news we received in needing bypass surgery. Feel so lucky to have the team of Physicians that have been put together as we move ahead with the Surgery.

  2026-04-01

• Yes, Dr. Cadigan is very professional and he is the best. Thank you.

  2026-04-01

• He was great. I would highly recommend him.

  2026-03-30

• It was excellent. I got no complaints [redacted].

  2026-03-26

• Dr. Cadigan is a skilled Cardiologist and I am fortunate to be his patient. I have complete trust in him.

  2026-03-22

• nothing at the moment except for a nurse followup I did not get a follow up appointment with Dr. Cadigan

  2026-03-22

• How healthy I was

  2026-03-19

• Dr. Cadigan is a consumate professional who takes the time to be caring and thorough.

  2026-03-18

• Dr Cadigan is a caring and thoughtful provider.

  2026-03-18

• Appointment went smooth And on time

  2026-03-18

• Dr. Cadigan is an excellent heart doctor.

  2026-03-25

• Dr. Cadigan was an extremely compassionate, empathetic, knowledgeable caregiver who put me at ease and inspired confidence in my future care.

  2026-03-19

• Dr. Cadigan was very thorough, knowledgeable, and understanding, very professional, gave me plenty of time to discuss the situation. Highly recommended.

  2026-03-19

• Dr Cadigan was terrific. He always speaks to me candidly about my cardiac health. He is very easy to speak with.

  2026-03-14

• Dr Cadigan is excellent: experienced, asked good questions, was a good listener, was proactive and had a good patient manner.

  2026-03-12

• I had a very nice visit with Dr CADIGAN. He was kind, efficient, thorough and took the time to explain things

  2026-03-11

• Everyone I spoke with were very friendly and respectful. Made me feel very comfortable.

  2026-03-12

• Care outstanding

  2026-03-12

• He seemed very thorough and I was impressed by how much time we had. I appreciated the amount of time he spent.

  2026-03-12

• knowledgable

  2026-03-07

• It's my first visit to a cardiologist, and it was excellent. I'm so glad I did and that I chose Dr. Cadigan. He was great, definitely someone I can work with. He listened, he reassured, and he didn't push gave his recommendations based on expertise and facts, while adapting to my concerns and my way of handling my own health.

  2026-03-06

• Good very pleasant and explained things well.

  2026-03-05

• Excellent care and patience

  2026-03-04

• Happy and great experience

  2026-03-05

• Outstanding.!!!! So special

  2026-03-04

• nothing everything as fine

  2026-03-07

• excellent doctor

  2026-03-04

• I appreciate the way he listened, and explained any thing I was concerned about, great doctor

  2026-03-01

• I was a returning patient to the doctor. He was just as wonderful as I remember him. He really listened and cared about what I had to say.

  2026-02-26

• Great!

  2026-02-22

• Excellent

  2026-02-18

• It was my first time meeting him and he seemed well informed about heart issues and high blood pressure. I was pleased with the appointment

  2026-02-18

• Dr Cadigan is always professional and willing to listen to any questions from patients. He is the best

  2026-02-16

• Always a pleasure to visit the office.

  2026-02-17

• I really am very happy with him.

  2026-02-16

• Dr. Cadigan is a great doctor, I would definitely recommend him.

  2026-02-14

• Dr. Cadigan is very knowledgeable and he is able to explain his thought process as it relates to his care of you. He listens and is engaging. I feel comfortable and confident that he is giving the best possible care as it relates to my heart issues. Grateful he is my cardiologist.

  2026-02-12

• Dr Cadigan was thorough and I learned from him as he walked through my options. He was open to discussing alternatives in my care plan and I felt heard.

  2026-02-11

• High level concern for my condition.

  2026-02-27

• He is very thorough, inquisitive and friendly.

  2026-02-10

• I always enjoy visiting Dr. Cadigan. I find that he is very thorough and detailed, and that's not true of all doctors.

  2026-02-10

• I didn't feel rushed at all, and he answered everything I needed to know for me

  2026-02-08

• I love Dr Cadigan, he actually listens and explains things fully.

  2026-02-08

• Dr. Cadigan was wonderful. He was patient and listened to my concerns. He gave me great feedback, recommended a couple of tests for me to follow through with, and I left there feeling extremely comfortable and happy with my visit. In addition, I had a great sense of relief after leaving there and feeling like he was a wonderful doctor.

  2026-02-06

• Yes, he was on time, very courteous and helpful, and I'd recommend him to everyone. [redacted]

  2026-02-06

• Dr. Cadigan was very kind and explained his rationale and suggestions in an easy to understand manner.

  2026-02-05

• He is my the best cardiologist who take care of my health and all medication and tests on time . He is life saver and I have very confidence on his judgement for better healthy life . Thanks

  2026-02-04

• Dr. Cadigan is wonderful.

  2026-02-04

• This provider is excellent. I have a lot of confidence in him.

  2026-02-04

• Explain what the next steps were going to be want to look for and what to do if X or Y happen, do not wait to collect $200.00 just go straight to the hospital.

  2026-02-02

• Works diligently to try to improve my health

  2026-02-01

• Dr. Cadigan is amazing. He's always so wonderful, understanding, and professional, and he immediately addresses any issue with confidence and executes immediately. He's the best, and I'm very fortunate to have Dr. Cadigan as one of my doctors. Thank you.

  2026-01-29

• Dr John Cadigan 111 is excellent orders testing when needed reviews medication every visit and makes adjustments when needed

  2026-01-25

• I have been going to this doctor for a couple of years and do like him

  2026-01-14

• Dr Cadigan was obviously an expert in his job, and I've been a cardiology patient for over 60 years.

  2026-01-14

• I was totally impressed by Dr Cadigan calling me the next day regarding a medication I was taking and finding a different medication that would be preferable for me.

  2026-01-11

• Dr. Cadigan was very professional, has a great personality. I rank him a 10.

  2026-01-14

• I satisfied with the medical team's care and kindness.

  2026-01-10

• Being my first visit with him I was very satisfied

  2026-01-09

• Dr Cadigan listened to me talk about my concerns after my heart valve replacement. He is a caring doctor and listens He offers good suggestions

  2026-01-08

• Excellent care provider, spent a sufficient amount of time, very understanding, very compassionate, and very thorough, and very knowledgeable in his field.

  2026-01-08

• Excellent overall care

  2026-01-07

• He is always caring and helpful. He explains everything thoroughly.

  2026-01-06

• He seems very knowledgeable and

  2025-12-26

• Pleasant. Professional. Trustworthy.

  2025-12-22

• I was lucky I had an appointment with him and he sent me into the hospital. He might have saved my life.

  2025-12-22

• Dr Cadigan is very thorough and respectful. He explains things so that it is clear to understand.

  2025-12-20

• Yes, he was very nice. I've seen him before and I would go back to him and I would recommend him to anybody. And I did see a nurse because she did an EKG on me and then she did my vitals and everything was fine. So I was very happy.

  2025-12-17

• Well informed competent caring physician

  2025-12-16

• Dr. Cadigan is a very knowledgeable, caring, thoughtful, great listener, and I feel that he provides the utmost best in health care. I appreciate having him as my cardiologist.

  2025-12-16

• Dr. Cadigan was so incredibly kind and he made me feel like he really cared. I was seeing him for the 1st time to get a second opinion. I cancelled all future appointments with the old doctor and will continue to see Dr. Cadigan as he has earned my trust

  2025-12-11

• Dr. Cadigan is great and takes time to explain everything.

  2025-12-09

• I find Dr. Cardigan very kind and caring. I did have some questions and he answered them in a thorough way.

  2025-12-09

• It's always a pleasure to see Dr. Cadigan. I have been a patient of his for many years, and I am immediately put it ease and know that he has my best interest in mind. He is prepared for the appointment and has reviewed my blood tests and lab tests that have been done and is familiar with the results in advance of the appointment. He is an excellent provider.

  2025-12-08

• Very happy with all aspects of the visit

  2025-12-02

• Listened to my concerns and did not rush me

  2025-12-01

• Great experience

  2025-12-02

• Excellent

  2025-12-01

• Dr. Cadigan is great! Very thorough and explains things clearly.

  2025-11-26

• I feel I am in great hands with Dr. Cadigan as my cardiologist.

  2025-11-26

• explained things so that I could understand them

  2025-11-27

• I don't like weighing in. I work very hard to lose 14 pounds, and I get weighed with street clothes and I'm 5 pounds heavier than my real weight.

  2025-11-24

• Don't let him get away.

  2025-11-23

• I know a series of "best" responses doesn't give you much to work with, but it really is an outstanding experience. Building is easy to access, waiting room is comfortable, seen relatively on-time, treated with respect and feel heard, attentive and informed nurses and doctors... there's not much more I could ask for!

  2025-11-23

• Dr Cadigan is great and caring. I'm lucky to Have him as my provider

  2025-11-22

• Execlent Doctor

  2025-11-15

• Great

  2025-11-13

• Dr. Cadigan is great. He is very knowledgeable and kind. I hope he never retires.

  2025-11-13

• Everything was great. I MADE A MISTAKE. i SAW A TECHNICAN , NOT A NURSE . She was great.

  2025-11-13

• Thorough, thoughtful and didn't make me feel like I was on the clock

  2025-11-11

• He was absolutely phenomenal. He listened to every single thing and he helped me understand what's going to come in the future for me with INR and he got me into the coagulation clinic. He was just unbelievable and he is just a fabulous, fabulous doctor.

  2025-11-12

• Very nice visit!

  2025-11-10

• Dr Cadigan did an excellent job in getting to know my medical background as this was my first visit. I am glad I choose an excellent physican.

  2025-11-09

• I thanked him for accepting me as a patient....and meant it.

  2025-11-06

• Meeting with Dr. Cadigan was one of the most positive medical experiences of my life. I recently found out that I have severe coronary disease. Dr. Cadigan met with me and explained in detail what the immediate next steps would entail. Of equal importance, my wife was present and he listened and answered any of our questions. While he did not minimize the seriousness of my condition, he presented viable plans that put me more at ease--as well as my wife.

  2025-11-06

• Was very impressed with him. He listened to me and answered all my questions. Also explained everything in language I could understand. I need 2 tests which he also explained.

  2025-11-05

• Great

  2025-11-05

• Dr. Cadigan is always kind and knows my medical history. He explains everything and answers all my questions.

  2025-11-03

• Excellent visit

  2025-11-02

• Very knowledge

  2025-11-01

• Thorough and friendly..

  2025-11-01

• first appointment with new Doctor was very pleased

  2025-10-29

• Was very caring

  2025-10-25

• Dr Cadigan is a wonderful doctor. I have been his patient for many years. I respect his medical advice and find him to be very knowledgeable and friendly. We discuss various options and I would highly recommend him.

  2025-10-25

• As always, my visit with Dr. Cadigan was entirely satisfactory, with questions answered and explanations about my condition.

  2025-10-14

• Dr. Cadigan was very thorough and thoughtful. I particularly appreciated his phone call to inform me of a test result.

  2025-10-11

• Dr Cadigan is a wonderful Dr. [redacted]

  2025-10-08

• Great professional care

  2025-10-04

• Excellent dr.

  2025-10-01

• Great! Reason for mostly on getting appointment was that I had surgery the day of my follow-up with Dr Cadigan.

  2025-10-01

• As a long time patient I feel I'm dealing with the best.

  2025-10-03

• Great service and a great Doctor.

  2025-09-28

• Always enjoy office visits Westwood has the best team of professionals.

  2025-09-28

• I trust him

  2025-09-26

• Very difficult to get an appointment with Dr. Cadigan, (must book one year out) but once I saw him he knew my history and made great decisions.

  2025-09-24

• Dr. Cadigan was extremely knowledgeable about cardiac issues that I experience, and provided good insight on a plan to address them. He gave me confidence that he would help me avoid issues.

  2025-09-17

• Dr Cadigan is wonderful! Always listens always a pleasant experience

  2025-09-17

• Thorough

  2025-09-17

• Dr. Cadigan was very professional. He took the time to explain to me exactly what was happening, something that no doctor that I've seen in the ER were able to do. As soon as he saw my EKG results, he knew exactly what was happening and the reason why I was seeking to see a cardiologist. I am extremely happy with his service. He is very, again, very professional. took the time, he really listened to all my concerns and he was able to answer all my questions. And he recommended some tests that provided a lot of information, the results provided a lot of information.

  2025-09-17

• Dr. Cadigan was very friendly, attentive, and informative.

  2025-09-13

• This was my first time seeing this doctor. I am absolutely thrilled with him. He was very thorough! He was very kind and nice.

  2025-09-10

• I have full confidence in my cardiologist to provide my necessary future care based on his past care.

  2025-09-10

• Very pleased with Dr Cadigan. Knew my medical history

  2025-09-10