Greenwich Hospital
Greenwich Hospital holds 8 active organization NPIs in the federal registry, with practice locations in 2 Connecticut cities. 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 NPIGreenwich has the most NPIs, 7
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2007 and 2012
Source: CMS NPPES, enumeration dates.
2 NPIs were issued in 2007 alone, more than in any other year; none in 12 of the years between.
Greenwich locations
The city with the most Greenwich Hospital NPIs. The full list of all 8 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1609846088 | 5 PERRYRIDGE RD, Greenwich | General Acute Care Hospital | Jan 26, 2006 |
| 1326229279 | 55 HOLLY HILL LN, Greenwich | General Acute Care Hospital | Nov 20, 2007 |
| 1306004205 | 5 PERRYRIDGE RD, Greenwich | Rural Acute Care Hospital | May 28, 2008 |
| 1124384847 | 5 PERRYRIDGE RD, Greenwich | Children's Hospital | Apr 6, 2012 |
| 1932468899 | 5 PERRYRIDGE RD, Greenwich | Home Health Agency | May 14, 2012 |
| 1942825799 | 5 PERRYRIDGE RD, Greenwich | Multi-Specialty Clinic/Center | Jun 8, 2020 |
| 1245926401 | 5 PERRYRIDGE RD, Greenwich | Clinical Medical Laboratory | Apr 12, 2023 |
All 8 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1609846088 | 5 PERRYRIDGE RD, Greenwich | General Acute Care Hospital | Jan 26, 2006 |
| 1326229279 | 55 HOLLY HILL LN, Greenwich | General Acute Care Hospital | Nov 20, 2007 |
| 1306004205 | 5 PERRYRIDGE RD, Greenwich | Rural Acute Care Hospital | May 28, 2008 |
| 1124384847 | 5 PERRYRIDGE RD, Greenwich | Children's Hospital | Apr 6, 2012 |
| 1932468899 | 5 PERRYRIDGE RD, Greenwich | Home Health Agency | May 14, 2012 |
| 1942825799 | 5 PERRYRIDGE RD, Greenwich | Multi-Specialty Clinic/Center | Jun 8, 2020 |
| 1245926401 | 5 PERRYRIDGE RD, Greenwich | Clinical Medical Laboratory | Apr 12, 2023 |
| 1073637724 | 2015 WEST MAIN STREET, Stanford | Community Based Hospice Care Agency | Mar 19, 2007 |
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 Greenwich Hospital have 8 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Greenwich Hospital's NPIs list practice locations in 2 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.