Olsl New York Operating Company
Olsl New York Operating Company holds 6 active organization NPIs in the federal registry, with practice locations in 6 New York cities. All list assisted living facility as their primary taxonomy; each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIArdsley has the most NPIs, 1
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
NPIs by year issued
Source: CMS NPPES, enumeration dates.
6 NPIs were issued in 2011 alone, more than in any other year.
Ardsley locations
The city with the most Olsl New York Operating Company NPIs. The full list of all 6 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1902100779 | 1017 SAW MILL RIVER RD, Ardsley | Assisted Living Facility | Jan 7, 2011 |
All 6 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1902100779 | 1017 SAW MILL RIVER RD, Ardsley | Assisted Living Facility | Jan 7, 2011 |
| 1689978462 | 53 OCEAN AVE, Bay Shore | Assisted Living Facility | Jan 7, 2011 |
| 1225332000 | 11250 72ND AVE, Forest Hills | Assisted Living Facility | Jan 7, 2011 |
| 1437453206 | 125 OCEAN AVE, Lynbrook | Assisted Living Facility | Jan 7, 2011 |
| 1427352293 | 12 WASHINGTON AVE, Plainview | Assisted Living Facility | Jan 7, 2011 |
| 1528362423 | 300 MILL ROSE CT, Slingerlands | Assisted Living Facility | Jan 6, 2011 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Olsl New York Operating Company have 6 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Olsl New York Operating Company's NPIs list practice locations in 6 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.