Loretto Hospital
Loretto Hospital holds 6 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 NPIChicago has the most NPIs, 6
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2008
Source: CMS NPPES, enumeration dates.
1 NPIs were issued in 2006 alone, more than in any other year; none in 7 of the years between.
Chicago locations
The city with the most Loretto Hospital NPIs. The full list of all 6 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1447280284 | 645 S CENTRAL AVE, Chicago | General Acute Care Hospital | Jul 4, 2006 |
| 1831364132 | 645 S CENTRAL AVE, Chicago | Mental Health Clinic/Center (Including Community Mental Health Center) | Apr 28, 2008 |
| 1023342664 | 645 S CENTRAL AVE, Chicago | Mental Health Clinic/Center (Including Community Mental Health Center) | Sep 30, 2009 |
| 1215395496 | 645 S CENTRAL AVE, Chicago | Substance Abuse Rehabilitation Facility | Feb 3, 2016 |
| 1801314380 | 645 S CENTRAL AVE, Chicago | Substance Abuse Rehabilitation Facility | Sep 5, 2017 |
| 1306318753 | 645 S CENTRAL AVE, Chicago | General Practice Physician | Dec 26, 2018 |
All 6 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1447280284 | 645 S CENTRAL AVE, Chicago | General Acute Care Hospital | Jul 4, 2006 |
| 1831364132 | 645 S CENTRAL AVE, Chicago | Mental Health Clinic/Center (Including Community Mental Health Center) | Apr 28, 2008 |
| 1023342664 | 645 S CENTRAL AVE, Chicago | Mental Health Clinic/Center (Including Community Mental Health Center) | Sep 30, 2009 |
| 1215395496 | 645 S CENTRAL AVE, Chicago | Substance Abuse Rehabilitation Facility | Feb 3, 2016 |
| 1801314380 | 645 S CENTRAL AVE, Chicago | Substance Abuse Rehabilitation Facility | Sep 5, 2017 |
| 1306318753 | 645 S CENTRAL AVE, Chicago | General Practice Physician | Dec 26, 2018 |
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 Loretto Hospital 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. Loretto 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.