NPPES file of Aug 9, 2026

Lisa Marie Irwin

Peer Specialist · Fullerton, CA

Lisa Marie Irwin is a peer specialist with a practice address in Fullerton, California, and NPI 1033578299, issued on Feb 16, 2016. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1033578299
Name
Lisa Marie Irwin
Primary taxonomy
Peer Specialist 175T00000X
Practice location
401 Imperial Hwy, Fullerton, CA 92835
Phone
(714) 447-7000
Enumerated
Feb 16, 2016
Record last updated
Jun 17, 2025
Fax
(714) 447-7003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest peer specialist records → All 4,528 in California → Look up another NPI →

Also registered at 401 Imperial Hwy

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

  1. Joanie AkkadMarriage & Family Therapist1699544833
  2. Sandra Aragon, AMFTMarriage & Family Therapist1003498320
  3. Varainia BarkusRegistered Nurse1902533201
  4. Robert ChaconClinical Social Worker1013521657
  5. Jacqueline FryeMarriage & Family Therapist1851884118
  6. Taren InsuastiClinical Social Worker1699398925

Verify Lisa Marie Irwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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Lisa Marie Irwin among 4,528 peer specialist records in California

Lisa Marie Irwin is one of 4,528 peer specialist records with a practice address in California. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 9% of them.

  • NPI issued2016 · 9% of these records are older, 88% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2025 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Peer Specialist providers in California

There are 4,528 peer specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,528 in California → Every provider in Fullerton → Peer Specialist nationwide →

The 8 peer specialist records with the nearest ZIP codes

  1. Maria MarinFullerton, CA 928351740531268
  2. Stuart SlaterFullerton, CA 928311851856751
  3. Karen Aguilera MartinezGarden Grove, CA 928401427855014
  4. Michael AndrewsGarden Grove, CA 928401821746413
  5. Anthony BeaverGarden Grove, CA 928401982365821
  6. Karen ChoiGarden Grove, CA 928401104627835
  7. Sarah CoxGarden Grove, CA 928401114625803
  8. Aaron ElizarrarasGarden Grove, CA 928401144034620

Common questions

What is Lisa Marie Irwin's NPI number?

Lisa Marie Irwin's National Provider Identifier (NPI) is 1033578299, issued on Feb 16, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Lisa Marie Irwin located?

The NPPES record lists a practice address at 401 Imperial Hwy, Fullerton, CA, 92835. Phone: (714) 447-7000. Providers update this record themselves, so call before visiting.

How can I verify Lisa Marie Irwin's license?

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. 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.