Arminder S Jassar, MD
Not currently accepting new patients
4.86988 average rating from 83 patient reviews
Specialties
Affiliation
Mass General Brigham
Provider Locations
- Waltham, MA
- Boston, MA
Dr. Arminder Jassar focuses his clinical activities on aortic surgery in addition to the full spectrum of adult cardiac surgery. He is dedicated to providing the highest quality, patient centered care to every patient that he meets.
Born and raised in India, Dr. Jassar earned his medical degree from the All India Institute of Medical sciences in New Delhi. He completed his general surgery residency and cardiac surgery fellowship at the University of Pennsylvania in Philadelphia. He did super specialty training at the University of Pennsylvania focusing on aortic and endovascular surgery, including TEVAR and TAVR. Following his training, Dr. Jassar was a visiting surgeon at the University of Freiburg, where he acquired advanced skills in hybrid aortic surgery. Dr. Jassar is the co-director of the MGH Thoracic Aortic Center, Director of Quality and safety for Cardiac Surgery at MGH and Assistant professor of Surgery at the Harvard Medical School.
He is keenly focused on the treatment of thoracic aortic disease – including surveillance for thoracic aortic aneurysms, traditional open aortic repair (from aortic root to thoracoabdominal aorta) and novel endovascular and hybrid therapies including thoracic endografting (TEVAR), which allow minimally invasive treatment of complex aortic pathology and affords patients a much quicker recovery and return to normal activities. He is actively involved in several clinical trials investigating the use of novel endovascular devices to treat aortic arch and descending aortic pathology, providing access to this cutting-edge technology for his patients. He is particularly interested in the care of patients with aortic dissection, which can be a lethal condition, and has developed care pathways to expedite care and improve outcomes of these patients.
In addition to traditional, minimally invasive and transcatheter aortic valve replacement (TAVR), he also performs aortic valve repair for leaky aortic valves. With aortic valve repair, patient’s own aortic valve can be saved, thus avoiding the need for valve replacement. In patients with aortic root aneurysms, aortic valve can still be saved while replacing the aortic root aneurysm. This is especially attractive for young patients as it precludes the need for reoperations associated with the use of tissue valves or the long-term use of blood thinners associated with mechanical valve replacement. He also specializes in surgery for endocarditis (infection of heart valves). He is part of the MGH drug use endocarditis team and is involved in efforts to improve care of patients who use injectable drugs – a pandemic that has ravaged young people in our region.
His research has been presented at numerous scientific meetings and published in reputed peer reviewed journals and he has been an invited speaker at several national and international meetings.
Education & Training
- Fellowship: Hospital of the University of Pennsylvania, Cardiac/Cardiac Thoracic Surgery, 2016
- Residency: Hospital of the University of Pennsylvania, General Surgery, 2013
- Medical Education: All India Institute of Medical Sciences, 2002
Board Certifications
- Thoracic and Cardiac Surgery, American Board of Thoracic Surgery
Languages Spoken
- Hindi
- English
Age Group Treated
- Adults
Patient Feedback
4.86988 average rating from 83 reviews
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He is an exceptional doctor, professional, kind, understanding, and made me feel at ease. His explanations were thorough and stated well so that I was comfortable discussing my situation/possible surgery. I'm thankful that my doctor referred me to this caring, knowledgeable surgeon. Thank you.
2026-09-04
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[redacted] I was extremely impressed by Dr. Jassar. He had a very professional, but not stand offish manner. He made excellent eye contact; was very straight forward; very informative and obviously clinically talented. He answered all my questions in a very thorough way. I am very grateful that I am going to be under his care!
2026-09-02
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Dr Jassar is top notch. Very knowledgeable and patient. Highly recommended.
2026-08-05
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My surgery is set for [redacted]. Thus far, I feel very comfortable with the surgeon and plan.
2026-07-29
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[redacted] I was extremely happy with the doctor.
2026-07-23
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This was my first visit ever with a cardiac surgeon. I left feeling very comfortable about the Doctor and Nurse taking care of my condition. I think I'm on good hands.
2026-05-18
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Dr. Jassar was very calm and was very patient explaining his recommendations very clearly, and answering all my questions.
2026-05-12
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Given the seriousness of my diagnosis I obviously have many questions and concerns, after leaving my appointment I felt much more at ease that I had a medical team that was going to help me understand what I'm dealing with and assist me making the best decision for me and my longer term health.
2026-05-12
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Last Appointment was virtual and staff was excellent making sure I was able to navigate my way to meeting. My Doctor was very good at explaining what he recommended and why.
2026-05-12
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Dr. Jassar is an exceptional physician. I intend to have him perform my aortic surgery.
2026-05-11
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He was very clear and respectful
2026-05-06
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I'm extremely grateful to Dr. Jassar and nurse practitioner Amanda Shailey for all of their care and wonderful care of me both before and after surgery.
2026-04-23
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He was very professional, and explained things to me that I could understand. I would feel extremely comfortable with this doctor if I needed to persue further care from him and his staff
2026-04-21
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Both Dr Jassar and the Cardiologist CNP were fantastic and very comfortable and knowledgeable to be with.
2026-04-19
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The doctor gave me plenty of time
2026-03-31
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Warm , personable, kind. Clearly defined procedures, risks and benefits. Ability to communicate clearly and to listen with true empathy . A gifted clinician.
2026-03-12
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I feel very confident in my surgeon and nurse practitioner after this visit.
2026-02-23
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Doctor was very thorough, a good listener, and very knowledgeable on the subject.
2026-02-27
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Professional, courteous
2026-02-01
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It was my first time meeting with Dr. Jassar. I feel very confident about him doing my aortic valve replacement when needed.
2026-01-29
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Very knowledgeable and showed me in detail with what's going on and the path for my care
2026-02-02
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Dr. Jassar spent time with me and made sure that I understood my situation and how it would be dealt with. He calm, competent, and presented his plan for me with a high level of confidence as to my prognosis.
2026-01-22
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I left his office feeling very comfortable about my upcoming open heart surgery.
2026-01-19
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He was professional and knowledgeable and clear about what was happening and what will be done
2025-12-31
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Dr Jassar was excellent. I feel he spent a lot of time with me and clearly explained my situation and put me at ease.
2025-12-08
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Excellent care in every way, from both the Nurse Practitioner and Surgeon. Great people, kind and caring, and utterly professional.
2025-12-04
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Dr. Jassar made me feel comfortable from the start. He completely explained my medical issue, and answered all the questions that I had. I was totally impressed.
2025-11-26
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I always feel confident in the service I get at MGH and this visit was excellent as usual. Dr Jassar was very thorough and listened intently and answered all my questions
2025-11-24
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The doctor was quite thoughtful, provided in-depth but understandable explanations, making my decisions easier and including both myself and my wife who was part of the meeting as well. Recommend him highly.
2025-11-13
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I had very good experience with the doctor I was very happy with with my visit!!!! Thank you very much
2025-11-10
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Dr. Jassar fully explained everything in a manner that completely put me at ease.
2025-10-29
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Took the time to talk through all the images and test results , explained the surgical plans and time line, gave me confidence that MGH was the right choice for a successful outcome.
2025-10-20
Accepted Insurance
- Tufts Medicare Preferred
- Wellpoint
- Tufts Health Plan
- Medicaid RI
- Blue Cross Blue Shield Medicare
- Commonwealth Care Alliance
- Medicaid ME
- Humana
- Beech Street
- Medicaid NH
- Coventry
- Aetna
- MassHealth
- Harvard Pilgrim Health Care
- TriCare
- Blue Cross Blue Shield
- Mass General Brigham Health Plan
- Senior Whole Health
- United Health Care
- WellSense NH
- Railroad Medicare
- Medicaid VT
- Cigna
- Fallon Health
- Medicare ACO
- Medicaid NY
- Multiplan
- Medicare
- WellSense