Quick answers
- Does Thomas R. McTernan Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas R. McTernan Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Thomas R. McTernan Jr. see?
- In 2024, CMS data shows 63 Original Medicare patients and 187 services for Thomas R. McTernan Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Thomas R. McTernan Jr.'s NPI number?
- 1336242387. 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 Thomas R. McTernan Jr., 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 | 63 |
|---|---|
| Services billed to Medicare | 187 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Blood glucose (sugar) test performed by hand-held instrument (82962)66 services
- Hemoglobin a1c level (83036)56 services
- Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)21 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).
- High blood pressure75%
- High cholesterol75%
- Diabetes75%
- Arthritis40%
- Chronic kidney disease33%
- Ischemic heart disease21%
Practice locations
Addresses where Thomas R. McTernan Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 275 Thomas Indian School DrIrving, NY 14081 (716) 532‑5582
Group practices
Medicare enrollment lists Thomas R. McTernan Jr. as a member of this group (CMS data updated October 2, 2026).
- Seneca Nation of Indians28 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in Seneca Nation of Indians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336242387 |
| 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