Westlake Hospital
Westlake Hospital holds 5 active organization NPIs in the federal registry, with practice locations in 1 Illinois city. 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 NPIMelrose Park has the most NPIs, 5
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2005 and 2007
Source: CMS NPPES, enumeration dates.
4 NPIs were issued in 2005 alone, more than in any other year; none in 1 of the years between.
Melrose Park locations
The city with the most Westlake Hospital NPIs. The full list of all 5 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1417956871 | 1225 W LAKE ST WESTLAKE HOSPITAL / ANESTHESIA DEPARTMENT, Melrose Park | Anesthesiology Physician | Jul 19, 2005 |
| 1619976651 | 1225 W LAKE ST WESTLAKE HOSPITAL / RADIOLOGY DEPARTMENT, Melrose Park | Vascular & Interventional Radiology Physician | Jul 20, 2005 |
| 1336141795 | 1225 W LAKE ST WESTLAKE HOSPITAL / EMERGENCY DEPARTMENT, Melrose Park | Emergency Medicine Physician | Aug 15, 2005 |
| 1366429193 | 1225 W LAKE ST WESTLAKE HOSPITAL/EMERGENCY DEPARTMENT, Melrose Park | Emergency Medicine Physician | Dec 22, 2005 |
| 1245356542 | 1111 SUPERIOR ST STE 101, Melrose Park | Clinic/Center | Mar 21, 2007 |
All 5 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1417956871 | 1225 W LAKE ST WESTLAKE HOSPITAL / ANESTHESIA DEPARTMENT, Melrose Park | Anesthesiology Physician | Jul 19, 2005 |
| 1619976651 | 1225 W LAKE ST WESTLAKE HOSPITAL / RADIOLOGY DEPARTMENT, Melrose Park | Vascular & Interventional Radiology Physician | Jul 20, 2005 |
| 1336141795 | 1225 W LAKE ST WESTLAKE HOSPITAL / EMERGENCY DEPARTMENT, Melrose Park | Emergency Medicine Physician | Aug 15, 2005 |
| 1366429193 | 1225 W LAKE ST WESTLAKE HOSPITAL/EMERGENCY DEPARTMENT, Melrose Park | Emergency Medicine Physician | Dec 22, 2005 |
| 1245356542 | 1111 SUPERIOR ST STE 101, Melrose Park | Clinic/Center | Mar 21, 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 Westlake Hospital have 5 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Westlake Hospital's NPIs list practice locations in 1 city.
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.