Alliance Sleep Diagnostics
Alliance Sleep Diagnostics holds 5 active organization NPIs in the federal registry, with practice locations in 4 cities in 2 states. 3 list clinical medical laboratory 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 NPIRiverside, CA has the most NPIs, 2
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2007 and 2009
Source: CMS NPPES, enumeration dates.
2 NPIs were issued in 2009 alone, more than in any other year.
Riverside, CA locations
The city with the most Alliance Sleep Diagnostics NPIs. The full list of all 5 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1013131028 | 1485 SPRUCE ST STE Q, Riverside, CA | Sleep Disorder Diagnostic Clinic/Center | Apr 12, 2007 |
| 1184871006 | 1485 SPRUCE ST STE Q, Riverside, CA | Sleep Disorder Diagnostic Clinic/Center | Aug 21, 2008 |
All 5 locations, by state and city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1013131028 | 1485 SPRUCE ST STE Q, Riverside, CA | Sleep Disorder Diagnostic Clinic/Center | Apr 12, 2007 |
| 1184871006 | 1485 SPRUCE ST STE Q, Riverside, CA | Sleep Disorder Diagnostic Clinic/Center | Aug 21, 2008 |
| 1750528808 | 133 BIDDLE ST, Kane, PA | Clinical Medical Laboratory | Jan 12, 2009 |
| 1164752440 | 225 SOUTH ST, Ridgway, PA | Clinical Medical Laboratory | Jan 8, 2010 |
| 1013155894 | 18 N MICHAEL ST, Saint Marys, PA | Clinical Medical Laboratory | Feb 1, 2009 |
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 Alliance Sleep Diagnostics 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. Alliance Sleep Diagnostics's NPIs list practice locations in 4 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.