Quick answers
- Does Louis J. Allyne accept Medicare assignment?
- Yes. Medicare's clinician data says Louis J. Allyne 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 Louis J. Allyne see?
- In 2024, CMS data shows 488 Original Medicare patients and 1,283 services for Louis J. Allyne. This counts Original Medicare only and measures volume, not quality.
- What is Louis J. Allyne's NPI number?
- 1417992884. 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 Louis J. Allyne, 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 | 488 |
|---|---|
| Services billed to Medicare | 1,283 |
| Different services or procedures | 39 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)246 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)114 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)94 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)88 services
- Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)87 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 cholesterol75%
- High blood pressure68%
- Arthritis44%
- Ischemic heart disease30%
- Anxiety30%
- Diabetes25%
Practice locations
Addresses where Louis J. Allyne is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Theall RdRye, NY 10580 (914) 848‑8888
- 210 Westchester AveWhite Plains, NY 10604 (914) 682‑0700
Group practices
Medicare enrollment lists Louis J. Allyne as a member of this group (CMS data updated October 2, 2026).
- Westchester Medical Group, P.C415 clinicians in the group
Specialties
- Emergency Medicineprimary
- Anesthesiologyalso
Other emergency medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in Westchester Medical Group, P.C
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417992884 |
| 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