NPPES file of Aug 9, 2026

Irene Chen, NP-C

Acute Care Nurse Practitioner · Los Angeles, CA

Irene Chen, NP-C is an acute care nurse practitioner with a practice address in Los Angeles, California, and NPI 1487317442, issued on Oct 18, 2021. Check the license (California NPF95019061, 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
1487317442
Name
Irene Chen
Credential
NP-C
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License numbers
NPF95019061 CA
F10210263 CA
Self-reported in NPPES; status is on the state search
Practice location
1520 San Pablo St, Los Angeles, CA 90033
Phone
(323) 442-5849
Enumerated
Oct 18, 2021
Record last updated
Oct 10, 2023
Medicare enrollment
Enrolled (PECOS I20230905003501); 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 1520 San Pablo St

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

  1. Frank Acosta, PHDPsychologist1750313490
  2. Gbemisola Adenuga, M.D.Nephrology Physician1952464661
  3. Aimee Aguillon, OTR/L, CHTOccupational Therapist1972677318
  4. Haig Aharonian, M.D.Internal Medicine Physician1205107653
  5. Jamshid Ahmadi, M.D.Neuroradiology Physician1942252028
  6. Mohammad Akmal, M.D.Nephrology Physician1356378087

Verify Irene Chen 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 NPF95019061
    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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93% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

41 Medicare Part D claims for 17 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.

  1. Irene Chen41
  2. Specialty average594

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $335.18

9 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Irene Chen$335.18
  2. Specialty average$647.94

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. Usc Care Medical Group IncLos Angeles, CA

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

Irene Chen among 1,810 acute care nurse practitioner records in California

Irene Chen, NP-C is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 61% of them.

  • NPI issued2021 · 61% of these records are older, 32% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2021 · median 2018 among the 993 with a school on file
  • Record last updated2023 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in California

There are 1,810 acute care nurse practitioner records in California.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Ana Barajas, NPLos Angeles, CA 900331578661864
  2. Carrie Chan, NPLos Angeles, CA 900331679881254
  3. Francine Chen, NP, APRN-BCLos Angeles, CA 900331972711893
  4. Beverly Daniel, NPLos Angeles, CA 900331841453693
  5. Yvonne Esmailian, NPLos Angeles, CA 900331487689865
  6. Mary HuntsingerLos Angeles, CA 900331285674960
  7. Michiko KarubeLos Angeles, CA 900331164645966
  8. Paige Larrabee, ACNP-BCLos Angeles, CA 900331083812135

Common questions

What is Irene Chen, NP-C's NPI number?

Irene Chen, NP-C's National Provider Identifier (NPI) is 1487317442, issued on Oct 18, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Irene Chen, NP-C located?

The NPPES record lists a practice address at 1520 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-5849. Providers update this record themselves, so call before visiting.

How can I verify Irene Chen, NP-C's license?

NPPES lists California license number NPF95019061, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Irene Chen, NP-C prescribe under Medicare Part D?

In 2024, Irene Chen, NP-C had 41 Medicare Part D claims for 17 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions 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.