NPPES file of Aug 9, 2026

Uc Regents in Orange, CA

This location of Uc Regents bills under NPI 1003864174, an organization record issued on May 4, 2006 with the primary taxonomy Allergy & Immunology (Internal Medicine) Physician. It is one of 18 NPIs registered under this name and one of 12 in Orange; each clinician who sees you there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1003864174
Legal name
Uc Regents
Entity
Type 2 · organization
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
Practice location
101 THE CITY DR S, Orange, CA 92868
Phone
714-456-8068
Mailing address
Pasadena, CA
Enumerated
May 4, 2006
Record updated
Aug 16, 2018
Authorized official
Ups Provider Relations (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other 11 Orange NPIs

  1. Uc Regents101 THE CITY DR S · issued May 4, 20061346298528
  2. Uc Regents101 THE CITY DR S · issued May 4, 20061003864182
  3. Uc Regents101 THE CITY DR S · issued May 4, 20061942258033
  4. Uc Regents101 THE CITY DR S · issued May 4, 20061205884392
  5. Uc Regents101 THE CITY DR S · issued May 4, 20061629026729
  6. Uc Regents101 THE CITY DR S · issued May 4, 20061356399380
  7. Uc Regents101 THE CITY DR S · issued May 4, 20061760430847
  8. Uc Regents101 THE CITY DR S · issued May 4, 20061902854078
  9. Uc Regents101 THE CITY DR S · issued May 5, 20061619925153
  10. Uc Regents101 THE CITY DR S · issued Jun 30, 20061639107139
  11. Uc Regents101 THE CITY DR S · issued Feb 6, 20081649458159

20 clinicians CMS lists with Uc Regents in Orange

  1. Manoochehr Abadian Sharifabad, MDPulmonary Disease Physician1164655817
  2. Pablo Abbona, MDDiagnostic Radiology Physician1689856239
  3. Nadine Abi-Jaoudeh, MDVascular & Interventional Radiology Physician1235337627
  4. Yousra AbueleneenDiagnostic Radiology Physician1265220172
  5. Rebecca Ahdoot, MDNephrology Physician1851735211
  6. Sana Ahmed, PA-CPhysician Assistant1740848050
  7. Jeffrey Ahn, MDHematology & Oncology Physician1902331630
  8. C Gregory Albers, MDGastroenterology Physician1982784047
  9. Sindu Alexander, MDNuclear Radiology Physician1811120371
  10. Byron J Allen, MDCardiovascular Disease Physician1134202658
  11. Arash Anavim, MDDiagnostic Radiology Physician1720156029
  12. Bogi Andersen, MDEndocrinology, Diabetes & Metabolism Physician1164502233
  13. Rosa Andrade, MDInfectious Disease Physician1093919680
  14. Pamela Antiquera, RNNurse Practitioner1528297157
  15. Derek Antoku, MDCardiovascular Disease Physician1538652680
  16. Elen Araya, FNPNurse Practitioner1023225281
  17. Zhaohui Arter, MDHematology & Oncology Physician1184116451
  18. Shirin Attarian, MDHematology & Oncology Physician1427310713
  19. Robby Ayoub, MDPulmonary Disease Physician1396958237
  20. Lesley Baber, NP-BCFamily Nurse Practitioner1477191427

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 18 Uc Regents NPIs

Every location registered under this name, in 5 cities.

See every location

Checking an organization

  1. Confirm the business with the California secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

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.

Which Orange NPI should I use?

Ask the office which NPI it bills under; all 12 Orange NPIs are registered under the same name.

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.