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Edit this profileWhere to find Nathaniel B. Langer, MD
- Boston location main office
55 Fruit Street, Cox 630, Boston, MA 02114 - Portsmouth location
67 Corporate Dr Ste 200, Portsmouth, NH 03801
About Dr. Langer
Based in Boston, MA, Nathaniel B. Langer, MD is listed in the NPI registry under thoracic surgery (cardiothoracic). Nathaniel graduated from Columbia University College of Physicians and Surgeons in 2011. According to Medicare claims data, Nathaniel cared for 316 Medicare patients across 316 services. The services billed most often include new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, replacement of aortic valve through the skin and femoral artery, and radical reconstruction of mitral valve on heart-lung machine. NPI 1447547682 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 724-0800
- Email not available
Practice Locations
55 FRUIT STREET COX 630
Boston, MA 02114
67 Corporate Dr Ste 200
Portsmouth, NH 03801
Conditions Commonly Evaluated or Treated
Within Thoracic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Airway
Chest tumors
Chest wall
Diaphragm
Esophagus
Esophagus and stomach
- Acid reflux
- Barrett's esophagus
- Esophageal cancer
- Esophageal pouch
- Esophagus tear
- Hiatal hernia
- Swallowing difficulties
Heart lining
Infection
Lung
Lung cancer
Lung conditions
Nerves
Nerves and blood vessels
Neuromuscular
Pleural disease
Sweating disorders
Trauma
Vascular
Procedures & services
Airway
Airway surgery
Chest tumors
Chest wall
Chest wall surgery
- Broken rib plating surgery
- Chest wall reconstruction
- Sunken chest repair
- Thoracic Outlet Decompression
Diagnostic tests
Diagnostics
Diaphragm
Diaphragm surgery
Emphysema
Esophagus
Esophagus surgery
- Acid reflux surgery
- Esophageal dilation
- Esophageal stent placement
- Esophagus removal surgery
- Hiatal hernia surgery
- Peroral endoscopic myotomy
Fluid drainage
Heart lining
Lung surgery
- Collapsed lung surgery
- Lung cancer surgery
- Lung lining scraping and cleaning
- Lung nodule removal
- Lung valve placement for emphysema
- Minimally invasive lung surgery
Nerves
Pleural disease
Robotic surgery
Surgical approach
Sweat surgery
Transplant
Trauma
Procedures Most Often Billed to Medicare
316 services · 316 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
96 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| Radical reconstruction of mitral valve on heart-lung machine | Procedure | 33427 |
26 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Insertion of artificial valve between left heart chambers, accessed through the skin | 0483T |
12 | Too few peers to compare | |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
142 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
22 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
18 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other thoracic surgery specialists in Boston 8
Same specialty, same city.
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2011 at Columbia University College of Physicians and Surgeons 7
Providers who graduated from the same medical school in the same year.
Also performs Replacement of aortic valve through the skin and femoral artery 8
Providers in MA who bill this service to Medicare most often.
Common questions
What is Dr. Langer's specialty?
Dr. Langer is a thoracic surgery (cardiothoracic) in Boston, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Langer?
Dr. Langer is listed at 55 Fruit Street Cox 630, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Langer?
The number on file is (617) 724-0800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Langer's NPI number?
Dr. Langer's National Provider Identifier is 1447547682. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Langer's medical education?
Dr. Langer attended Columbia University College of Physicians and Surgeons, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Langer been practicing?
Dr. Langer has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Langer known for?
According to Medicare billing data, Dr. Langer performs procedures including replacement of aortic valve through the skin and femoral artery and radical reconstruction of mitral valve on heart-lung machine, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Langer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Langer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.