Regional Diagnostic Imaging
Regional Diagnostic Imaging holds 12 active organization NPIs in the federal registry, with practice locations in 11 cities in 3 states. 10 list diagnostic radiology physician 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 NPIPalmdale, 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 2010 and 2016
Source: CMS NPPES, enumeration dates.
5 NPIs were issued in 2016 alone, more than in any other year; none in 7 of the years between.
Palmdale, CA locations
The city with the most Regional Diagnostic Imaging NPIs. The full list of all 12 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1821310269 | 38600 MEDICAL CENTER DR, Palmdale, CA | Diagnostic Radiology Physician | Feb 26, 2010 |
| 1952842437 | 38600 MEDICAL CENTER DR, Palmdale, CA | Diagnostic Ultrasound Physician | Mar 16, 2017 |
All 12 locations, by state and city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1134677321 | 6043 E BIRDCAGE CT, Orange, CA | Diagnostic Radiology Physician | Sep 15, 2016 |
| 1821481672 | 2363 N JANIS DR, Palm Springs, CA | Diagnostic Radiology Physician | Mar 17, 2015 |
| 1821310269 | 38600 MEDICAL CENTER DR, Palmdale, CA | Diagnostic Radiology Physician | Feb 26, 2010 |
| 1952842437 | 38600 MEDICAL CENTER DR, Palmdale, CA | Diagnostic Ultrasound Physician | Mar 16, 2017 |
| 1972812436 | 1770 IOWA AVE SUITE 280, Riverside, CA | Diagnostic Radiology Physician | Oct 1, 2010 |
| 1225586423 | 3731 TORREY VIEW CT, San Diego, CA | Diagnostic Radiology Physician | Sep 15, 2016 |
| 1912425844 | 728 MURPHY DR, San Mateo, CA | Diagnostic Radiology Physician | Aug 30, 2017 |
| 1245788439 | 902 W PEDREGOSA ST, Santa Barbara, CA | Diagnostic Radiology Physician | Sep 15, 2016 |
| 1902357403 | 455 BALD EAGLE DR, Vacaville, CA | Diagnostic Radiology Physician | Oct 19, 2016 |
| 1982152179 | 215 TIBURON CT, Walnut Creek, CA | Diagnostic Radiology Physician | Sep 15, 2016 |
| 1851783260 | 14717 VALIANT TER, Burtonsville, MD | Point of Service | Feb 22, 2015 |
| 1972575892 | 1505 W SHERMAN AVE, Vineland, NJ | Diagnostic Radiology Physician | Feb 3, 2006 |
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 Regional Diagnostic Imaging have 12 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Regional Diagnostic Imaging's NPIs list practice locations in 11 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.