NPPES file of Aug 9, 2026

Irene Castillo, RDN

Registered Dietitian · Oxnard, CA

Irene Castillo, RDN is a registered dietitian with a practice address in Oxnard, California, and NPI 1124615950, issued on Dec 28, 2020. 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
1124615950
Name
Irene Castillo
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
1500 Camino Del Sol, Oxnard, CA 93030
Phone
(805) 738-3900
Enumerated
Dec 28, 2020
Record last updated
Dec 28, 2020 (not updated in 6 years: call before relying on the address or phone)
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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Also registered at 1500 Camino Del Sol

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

  1. Laura Cuevas CruzPeer Specialist1649097007
  2. Karina Gil AcevesMarriage & Family Therapist1326924978
  3. Maxwell GoodellCase Manager/Care Coordinator1689474983
  4. Griselda HernandezDay Training/Habilitation Specialist1831619808
  5. Maha OmarRehabilitation Practitioner1871471813
  6. Joshua PerazaStudent in an Organized Health Care Education/Training Program1285516856

Verify Irene Castillo 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
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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Registered Dietitian providers in California

There are 7,148 registered dietitian records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,148 in California → Every provider in Oxnard →

Other registered dietitian records in California

  1. Nazanin Abbaspour, PHD, RDN, IFNCPSan Diego, CA1871180695
  2. Michelle AbbeySan Diego, CA1932692878
  3. Emily AbbottTorrance, CA1477064871
  4. Fatima Azzahra Abdelhafeez, RDAnaheim, CA1356003727
  5. Sulaima Abdin-ArafehPomona, CA1366980765
  6. Tamara Abdul Hadi, MSLos Angeles, CA1669356754
  7. Anita Abdul-KarimPasadena, CA1619365970
  8. Ruqaya AbdulkhaliqLong Beach, CA1447124037
  9. Ran Abe, R.D.Long Beach, CA1093186173
  10. Allison Abel, RDN, CNSCLos Angeles, CA1346664414

Common questions

What is Irene Castillo, RDN's NPI number?

Irene Castillo, RDN's National Provider Identifier (NPI) is 1124615950, issued on Dec 28, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Irene Castillo, RDN located?

The NPPES record lists a practice address at 1500 Camino Del Sol, Oxnard, CA, 93030. Phone: (805) 738-3900. Providers update this record themselves, so call before visiting.

How can I verify Irene Castillo, RDN'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.