Nathaniel B Langer, MD

Nathaniel B Langer, MD

Not currently accepting new patients

4.948387 average rating from 62 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
  • Geriatrics

Patient Feedback

4.948387 average rating from 62 reviews

  • 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

  • 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

  • Very attentive listened well understood questions and explain things clearly.

    2026-04-08

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • Saw NP

    2026-02-18

  • Extraordinary doctor!

    2026-01-29

  • Clearly explained what my options were for potential follow-up surgery.

    2026-01-16

  • 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

  • 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

  • Both doctors, Dr. Langer and Dr. [redacted] were excellent doctors and I'm happy that I was able to find them and that they were able to accept me as a patient. Thank you very much. Bye.

    2025-10-03

  • The Doctor and his assistant were very clear in answering all questions. I left the visit with a comfortable mindset on my upcoming surgery.

    2025-10-02

  • I felt very comfortable and safe.

    2025-09-17

  • Dr. Langer is just about the most caring surgeon I've ever spoken to. He's kind, smart, very caring and I'm so confident I can handle going through this with a doctor like him handling my care.

    2025-08-20

  • Dr. Langer listened to all I had to say . He was friendly & professional and answered all of my questions fully

    2025-08-07

  • It was a very positive experience. All the doctors, nurses, and the entire team deserve congratulations. I just have to thank everyone.

    2025-08-06

  • 4 out of 4 stars for every aspect of this visit. We traveled two hours from Cape Cod.

    2025-08-06

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
  • WellSense
  • 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