NPPES file of Aug 9, 2026

Aileen L. Andaya, NP

Registered Nurse · Orange, CA

Aileen L. Andaya, NP is a registered nurse with a practice address in Orange, California, and NPI 1821373051, issued on Oct 19, 2011. Check the license (California RN659171, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1821373051
Name
Aileen L. Andaya
Credential
NP
Primary taxonomy
Registered Nurse 163W00000X
License numbers
RN659171 CA
NP20951 CA
Self-reported in NPPES; status is on the state search
Practice location
101 The City Dr S, Orange, CA 92868
Phone
(714) 456-7004
Enumerated
Oct 19, 2011
Record last updated
Oct 19, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20111208000359); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered nurse records → All 13,506 in California → Look up another NPI →

Also registered at 101 The City Dr S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Danny Abad, PAPhysician Assistant1477158673
  2. Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
  3. Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
  4. Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
  5. Eric AbelloOtolaryngology Physician1922566215
  6. Brandon Abeyta, MDAnesthesiology Physician1841291804

Verify Aileen L. Andaya in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license RN659171    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. University Surgeons OF Orange A Medical GroupOrange, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Aileen L. Andaya among 13,506 registered nurse records in California

Aileen L. Andaya, NP is one of 13,506 registered nurse records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 19% of them.

  • NPI issued2011 · 19% of these records are older, 79% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 1% of these records are
  • Graduated2011 · median 2018 among the 146 with a school on file
  • Record last updated2011 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

129 registered nurse records list a practice address in Orange

They are 129 of the 13,245 NPPES records with a practice address in Orange, and 13,506 registered nurse records in California.

All 13,506 in California → Every provider in Orange → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Zulema Acevedo, RNOrange, CA 928681710269774
  2. Yvette Avila-Cao, RNOrange, CA 928681669861522
  3. Brenda Diaz, R.N.Orange, CA 928681235313651
  4. Tina Dinh, RN, BSNOrange, CA 928681952657264
  5. Paula Hilbert, R,N.Orange, CA 928681386784510
  6. Brandy LeosOrange, CA 928681427398015
  7. Elisa LetrondoOrange, CA 928681154721363
  8. Katherine Minnicucci, RNOrange, CA 928681407253958

Common questions

What is Aileen L. Andaya, NP's NPI number?

Aileen L. Andaya, NP's National Provider Identifier (NPI) is 1821373051, issued on Oct 19, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Aileen L. Andaya, NP located?

The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-7004. Providers update this record themselves, so call before visiting.

How can I verify Aileen L. Andaya, NP's license?

NPPES lists California license number RN659171, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.