NPPES file of Aug 9, 2026

Aileen Liwanag Nguyen, CRNA

Certified Registered Nurse Anesthetist · Duarte, CA

Aileen Liwanag Nguyen, CRNA is a certified registered nurse anesthetist with a practice address in Duarte, California, and NPI 1548584618, issued on Mar 18, 2010. Check the license (California NA4326, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548584618
Name
Aileen Liwanag Nguyen
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
NA4326 CA
081989 AZ
Self-reported in NPPES; status is on the state search
Practice location
1500 Duarte RD, Duarte, CA 91010
Phone
(626) 256-4673
Enumerated
Mar 18, 2010
Record last updated
Nov 27, 2023
Fax
(626) 408-3911
Medicare enrollment
Enrolled (PECOS I20130314000050); 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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Also registered at 1500 Duarte RD

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

  1. Chelsea Abad, CRNP, AGPCNP - BCGerontology Nurse Practitioner1952848137
  2. Wajidah Abdul-KhabirHospitalist Physician1215323522
  3. Farah Abdulla, MDDermatology Physician1093934390
  4. Megan Abel, PA-CPhysician Assistant1104100619
  5. Michelle Afkhami, M.D.Hematology (Pathology) Physician1326230228
  6. Vaibhav Agrawal, M.D.Hematology & Oncology Physician1538402565

Verify Aileen Liwanag Nguyen 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 NA4326
    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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Industry payments in 2024: $423.90

4 payments; by number, the most common kind was food and beverage; the largest payer was Heron Therapeutics, Inc. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Aileen Nguyen$423.90
  2. Specialty average$135.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. City OF Hope Medical FoundationDuarte, CA

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

Aileen Liwanag Nguyen among 2,943 certified registered nurse anesthetist records in California

Aileen Liwanag Nguyen, CRNA is one of 2,943 certified registered nurse anesthetist records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 41% of them.

  • NPI issued2010 · 41% of these records are older, 57% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2009 · median 2016 among the 2,089 with a school on file
  • Record last updated2023 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 certified registered nurse anesthetist records list a practice address in Duarte

They are 17 of the 1,287 NPPES records with a practice address in Duarte, and 2,943 certified registered nurse anesthetist records in California.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Natalie Cadavid, CRNADuarte, CA 910101962073643
  2. Adrian Delacruz, CRNADuarte, CA 910101811407869
  3. Wesley Easter, CRNADuarte, CA 910101013308428
  4. Richie Gallegos, CRNADuarte, CA 910101104451186
  5. Amanda Gutierrez, CRNADuarte, CA 910101427515675
  6. Ileana Izquierdo, CRNADuarte, CA 910101922626167
  7. Rory Keenan, CRNADuarte, CA 910101447324298
  8. Philip Klain, CRNADuarte, CA 910101376054569

Common questions

What is Aileen Liwanag Nguyen, CRNA's NPI number?

Aileen Liwanag Nguyen, CRNA's National Provider Identifier (NPI) is 1548584618, issued on Mar 18, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Aileen Liwanag Nguyen, CRNA located?

The NPPES record lists a practice address at 1500 Duarte RD, Duarte, CA, 91010. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.

How can I verify Aileen Liwanag Nguyen, CRNA's license?

NPPES lists California license number NA4326, 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.

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.