Quick answers
- Does Shannon N. Leary accept Medicare assignment?
- Medicare's clinician data says Shannon N. Leary may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Shannon N. Leary see?
- In 2024, CMS data shows 122 Original Medicare patients and 1,001 services for Shannon N. Leary. This counts Original Medicare only and measures volume, not quality.
- What is Shannon N. Leary's NPI number?
- 1477227338. 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 Shannon N. Leary, 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 | 122 |
|---|---|
| Services billed to Medicare | 1,001 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)258 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)217 services
- Insertion of needle into vein for collection of blood sample (36415)137 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)104 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)54 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%
- Diabetes43%
- Ischemic heart disease36%
- Arthritis33%
- COPD17%
Practice locations
Addresses where Shannon N. Leary is enrolled with Medicare (CMS data updated October 2, 2026).
- 26619 Union TpkeNew Hyde Park, NY 11040 (718) 347‑0434
- 27005 75th AveNew Hyde Park, NY 11040 (718) 525‑8567
- 7801 Myrtle AveGlendale, NY 11385 (718) 386‑8300
Group practices
Medicare enrollment lists Shannon N. Leary as a member of this group (CMS data updated October 2, 2026).
- Lefferts Medical Associates PC16 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in New Hyde Park
Clinicians with the same Medicare primary specialty in New Hyde Park, NY — not a recommendation.
Other clinicians in Lefferts Medical Associates PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477227338 |
| 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