Quick answers
- Does Matthew G. Masiello accept Medicare assignment?
- Medicare's clinician data says Matthew G. Masiello may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Matthew G. Masiello see?
- In 2024, CMS data shows 38 Original Medicare patients and 72 services for Matthew G. Masiello. This counts Original Medicare only and measures volume, not quality.
- What is Matthew G. Masiello's NPI number?
- 1679943666. 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 Matthew G. Masiello, 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 | 38 |
|---|---|
| Services billed to Medicare | 72 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 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 cholesterol71%
- High blood pressure61%
- Arthritis42%
Practice locations
Addresses where Matthew G. Masiello is enrolled with Medicare (CMS data updated October 2, 2026).
- 403 Little E Neck RdWest Babylon, NY 11704 (631) 716‑5463
Group practices
Medicare enrollment lists Matthew G. Masiello as a member of this group (CMS data updated October 2, 2026).
- Li Urgent Care PC15 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in West Babylon
Clinicians with the same Medicare primary specialty in West Babylon, NY — not a recommendation.
Other clinicians in Li Urgent Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1679943666 |
| 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