John Langenfeld, MD
NPI 1144399858 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New Brunswick, NJ
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Langenfeld, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in New Brunswick, NJ (NPI 1144399858).
Provider details
- NPI number
- 1144399858
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA05350300 (NJ)
Specialties & taxonomies
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianPrimary208G00000XLicense 25MA05350300 (NJ)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
23 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $69 |
Typical Medicare-allowed amounts for these services range $69–$69 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-07
- Last updated
- 2011-01-31
Frequently asked questions
- What is John Langenfeld's NPI number?
- John Langenfeld's National Provider Identifier (NPI) is 1144399858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Langenfeld's specialty?
- John Langenfeld is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is John Langenfeld located?
- John Langenfeld's practice location on file with NPPES is 125 Paterson St, New Brunswick, NJ 08901-1962.
- What is John Langenfeld's phone number?
- The practice phone number listed in the NPPES registry for John Langenfeld is (732) 235-7802.
- Does John Langenfeld accept Medicare?
- John Langenfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Langenfeld's NPI active?
- Yes — John Langenfeld's NPI (1144399858) is active in the NPPES registry as of the last update on 2011-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.