Novastack
Novastack holds 5 active organization NPIs in the federal registry, with practice locations in 1 Arizona 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 NPIPhoenix has the most NPIs, 5
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
NPIs by year issued
Source: CMS NPPES, enumeration dates.
5 NPIs were issued in 2026 alone, more than in any other year.
Phoenix locations
The city with the most Novastack NPIs. The full list of all 5 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1619895851 | 4539 N 22ND ST STE R, Phoenix | Clinical Medical Laboratory | Jul 7, 2026 |
| 1063330215 | 4539 N 22ND ST STE R, Phoenix | Durable Medical Equipment & Medical Supplies | Jul 7, 2026 |
| 1316865561 | 4539 N 22ND ST STE R, Phoenix | Urgent Care Clinic/Center | Jul 7, 2026 |
| 1043138290 | 4539 N 22ND ST STE R, Phoenix | Radiology Clinic/Center | Jul 7, 2026 |
| 1215855465 | 4539 N 22ND ST STE R, Phoenix | Multi-Specialty Clinic/Center | Jul 7, 2026 |
All 5 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1619895851 | 4539 N 22ND ST STE R, Phoenix | Clinical Medical Laboratory | Jul 7, 2026 |
| 1063330215 | 4539 N 22ND ST STE R, Phoenix | Durable Medical Equipment & Medical Supplies | Jul 7, 2026 |
| 1316865561 | 4539 N 22ND ST STE R, Phoenix | Urgent Care Clinic/Center | Jul 7, 2026 |
| 1043138290 | 4539 N 22ND ST STE R, Phoenix | Radiology Clinic/Center | Jul 7, 2026 |
| 1215855465 | 4539 N 22ND ST STE R, Phoenix | Multi-Specialty Clinic/Center | Jul 7, 2026 |
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 Novastack 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. Novastack'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.