Quick answers
- Does Firmin Langyin accept Medicare assignment?
- Medicare's clinician data says Firmin Langyin may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Firmin Langyin see?
- In 2024, CMS data shows 42 Original Medicare patients and 147 services for Firmin Langyin. This counts Original Medicare only and measures volume, not quality.
- What is Firmin Langyin's NPI number?
- 1871106088. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Firmin Langyin, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 42 |
|---|---|
| Services billed to Medicare | 147 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 54 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)146 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- Anxiety69%
- High cholesterol64%
- Depression57%
- High blood pressure40%
- Diabetes29%
- Arthritis29%
Practice locations
Addresses where Firmin Langyin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 200 Station Dr, Apt 207Avenel, NJ 07001
- 30 Knightsbridge Rd, Suite 625/626Piscataway, NJ 08854
- 319 Maple StPerth Amboy, NJ 08861
- 356 Wadsworth Ave, Apt 44New York, NY 10040
- 516 Valley Brook AveLyndhurst, NJ 07071
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Avenel
Clinicians with the same Medicare primary specialty in Avenel, NJ — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871106088 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians