Dr. Nathaniel B. Langer, MD
Cardiothoracic Surgery (Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician)
- Medicare participating
At a glance
- Medical school
- Columbia University College of Physicians and Surgeons (2011)
- Years since graduation
- 15
- In the NPI registry since
- 2011
- Medicare patients seen, 2024
- 286
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2011Medical school: Columbia University College of Physicians and Surgeons
- 2011Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician primary
MA license 278326 · NH license 21457
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Massachusetts General Hospital Boston, MA
- Newton-Wellesley Hospital Newton, MA
Medical groups
- Massachusetts General Physicians Organization Inc (3,558 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 286
- Services billed
- 402
- Patients’ average age
- 79
| Service | Times | Patients |
|---|---|---|
| New patient office or other outpatient visit, 60-74 minutes | 168 | 168 |
| Replacement of aortic valve through the skin and femoral artery | 110 | 110 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 29 | 29 |
| New patient office or other outpatient visit, 30-44 minutes | 17 | 17 |
| Radical reconstruction of mitral valve on heart-lung machine | 15 | 15 |
| Established patient office or other outpatient visit, 40-54 minutes | 11 | 11 |
| Replacement of mitral valve on heart-lung machine | 11 | 11 |
| Coronary artery bypass using artery graft, 1 graft | 11 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 4 companies reported 34 payments worth $20,266 in total to this clinician.
| Edwards Lifesciences Corporation | $19,639 |
|---|---|
| Medtronic, Inc. | $440 |
| Abbott Laboratories | $170 |
| Gilead Sciences, Inc. | $17.45 |
| Consulting Fee | $14,688 |
|---|---|
| Travel and Lodging | $3,780 |
| Food and Beverage | $1,799 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Edwards Lifesciences Corporation Jan 30, 2025 | Consulting Fee Edwards SAPIEN 3 Ultra Transcatheter Heart Valve · Transcatheter Heart Valves | $14,688 |
| Edwards Lifesciences Corporation Jan 2, 2025 | Travel and Lodging travel to Irvine, CA · in-kind | $1,816 |
| Edwards Lifesciences Corporation Jan 18, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $483 |
| Edwards Lifesciences Corporation May 8, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Chicago, IL · in-kind | $393 |
| Edwards Lifesciences Corporation Mar 6, 2025 | Travel and Lodging EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) · Transcatheter Heart Valves · travel to Chicago, IL · in-kind | $283 |
| Edwards Lifesciences Corporation Jan 16, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $219 |
| Edwards Lifesciences Corporation May 8, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Chicago, IL · in-kind | $213 |
| Edwards Lifesciences Corporation Jan 17, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $147 |
| Edwards Lifesciences Corporation Jan 16, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $113 |
| Edwards Lifesciences Corporation Jan 17, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $82.22 |
All 11 payments other than meals, newest first
| Company | What it was for | Amount |
|---|---|---|
| Edwards Lifesciences Corporation May 8, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Chicago, IL · in-kind | $393 |
| Edwards Lifesciences Corporation May 8, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Chicago, IL · in-kind | $213 |
| Edwards Lifesciences Corporation Mar 6, 2025 | Travel and Lodging EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) · Transcatheter Heart Valves · travel to Chicago, IL · in-kind | $283 |
| Edwards Lifesciences Corporation Jan 30, 2025 | Consulting Fee Edwards SAPIEN 3 Ultra Transcatheter Heart Valve · Transcatheter Heart Valves | $14,688 |
| Edwards Lifesciences Corporation Jan 18, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $483 |
| Edwards Lifesciences Corporation Jan 17, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $147 |
| Edwards Lifesciences Corporation Jan 17, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $82.22 |
| Edwards Lifesciences Corporation Jan 17, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $31.02 |
| Edwards Lifesciences Corporation Jan 16, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $219 |
| Edwards Lifesciences Corporation Jan 16, 2025 | Travel and Lodging SAPIEN 3 Ultra RESILIA · Transcatheter Heart Valves · travel to Irvine, CA · in-kind | $113 |
| Edwards Lifesciences Corporation Jan 2, 2025 | Travel and Lodging travel to Irvine, CA · in-kind | $1,816 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.
Industry-funded research
Named as a principal investigator on 2 industry-funded studies in 2025, from 2 companies. The companies reported $43,064 in research payments for these studies, mostly to the institutions running them.
- Observational Study of Lung Preservation
Paragonix Technologies, Inc. - XVIVO Registry
Xvivo Perfusion Inc.
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.