Nathaniel B Langer, MD
Not currently accepting new patients
4.868966 average rating from 58 patient reviews
Specialties
Affiliation
Mass General Brigham
Provider Locations
- Waltham, MA
- Boston, MA
Nathaniel Langer, MD, MSc, is a board-certified adult cardiac surgeon at the Massachusetts General Hospital, an Assistant Professor of Surgery at Harvard Medical School, and a member of the Corrigan Minehan Heart Center. His practice focuses on transcatheter aortic valve replacement (TAVR) and minimally invasive treatment of heart valve disease, as well pulmonary thromboendarterectomy and coronary artery bypass grafting.Dr. Langer received his medical degree (MD) from Columbia University's Vagelos College of Physicians and Surgeons and his Master of Science (MSc) degree from Paris-Sud University in Paris, France. He completed his internship, residency, and chief residency in cardiothoracic surgery at New York-Presbyterian Hospital/Columbia University Irving Medical Center. Dr. Langer's research interests include clinical outcomes in adult cardiac surgery, as well as right ventricular metabolism and right ventricular failure in patients with pulmonary hypertension.
Education & Training
- Residency: New York Presbyterian Columbia Campus, THORACIC SURGERY-INTEGRATED, 2019
- Fellowship: New York Presbyterian Columbia Campus, Thoracic Surgery-Integrated, 2016
- Medical Education: Columbia University College of Physicians & Surgeons, 2011
Board Certifications
- Thoracic and Cardiac Surgery, American Board of Thoracic Surgery
Languages Spoken
- English
Age Group Treated
- Adults
Patient Feedback
4.868966 average rating from 58 reviews
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Seemed very knowledgeable in his field and I felt very confident in his abilities when I left. Explained things clearly and easy to understand.
2026-09-04
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Dr Langer was very well-versed about my rare condition, my images, and my health history. He was thorough in explaining his suggested plan for me and patient in answering my and my daughter's questions. A cardiac surgery unit was not someplace I ever imagined needing to be, but I am grateful to have had the advice of an expert. Thank you, Dr Langer.
2026-08-24
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Awesome! Explained everything fully and in terms we understood.
2026-08-05
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Dr. Langer was extraordinarily well prepared, very thorough in his explanations, very attentive and very friendly.
2026-07-29
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Everyone was exceptional in their duties and how everything was presented.
2026-06-27
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Both doctors were extremely knowledgeable and had a good rapport with each other and with my gf and me. They impressed me as being a real team who will work together without ego. I feel lucky to have them
2026-06-23
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Listens well and caring.
2026-06-03
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Very personable easy to speak with and discussed my surgery in words I would understand what was going to happen .
2026-05-31
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Dr. Langer was very, very nice, very kind, and very thoughtful. He answered my questions and gave us all the information that we needed. Thank you.
2026-05-29
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I was very happy with the visit with the surgeon. He explained everything, made eye contact with us, made us feel comfortable. That's it. Thank you.
2026-04-10
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Very attentive listened well understood questions and explain things clearly.
2026-04-08
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The staff were awesome. There was a delay but that was explained and I had no problem with it. The skills and team effort on my situation is above and beyond. It is first rate and deserves praise
2026-03-19
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He described my options in detail, even providing a visual sense of what the procedure (repair of valve due to mitral regurgitation) would entail, compared the impact of each based on my particular medical history, and suggested the option that would be least likely to exacerbate my lung problem (COPD).
2026-03-12
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Caring, kind, knowledgeable and very good teacher about my situation. I felt very well informed and heard. I wish I didn't need this care but I know I am getting the best of care from all.
2026-03-12
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people are great and very compassionate I feel like I connected with my drug and his staff I would recommend Boston mass general to anyone
2026-03-05
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Dr. Lagner and his team were amazing. He talked in detail with my wife and I about my current situation and how he can fix it. I was shocked at his level of caring and the attention to detail he provided to my situation. Amazing care. Truly commendable.
2026-03-04
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I met with Dr. Langer last week. I found him to be very informative about the procedure that I'm going to be having done and I felt more confident about what was going to be happening. So I was very pleased with our visit.
2026-02-27
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Saw NP
2026-02-18
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Extraordinary doctor!
2026-01-29
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Clearly explained what my options were for potential follow-up surgery.
2026-01-16
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I had a very concise and informational meeting with Dr. Langer and I feel very comfortable at this point. So that is my comment. Thank you.
2025-11-13
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I found Dr. Langer to be extremely knowledgeable and caring. He took care to answer all of our questions. I feel that my health is in very good hands with Dr. Langer
2025-10-31
Accepted Insurance
- Tufts Medicare Preferred
- Blue Cross Blue Shield ME
- NH Healthy Families
- Martin's Point
- Prime Health Services
- Community Health Options
- Blue Cross Blue Shield - Federal
- WellCare
- Multiplan/PHCS
- Blue Cross Blue Shield NH
- AmeriHealth Caritas New Hampshire
- Wellpoint
- CorVel Workers Comp
- Railroad Medicare
- Blue Cross Blue Shield Medicare
- Medicaid CT
- Senior Whole Health
- Medicaid NH
- United Health Care
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- Maine Community Health Options
- Medicare
- Humana
- Mass General Brigham Health Plan
- Beech Street
- Medicare ACO
- TriCare
- WellSense NH
- Tufts Health Plan
- Commonwealth Care Alliance
- Medicaid VT
- Cigna
- MassHealth
- Blue Cross Blue Shield
- Fallon Health
- Medicaid RI
- Harvard Pilgrim Health Care
- Coventry
- Multiplan
- Medicaid ME
- Aetna