Registry data as of Aug 27, 2026

Stephanie Castrejon

Behavior Analyst · Los Angeles, CA

Stephanie Castrejon is a behavior analyst with a practice address in Los Angeles, California, and NPI 1134862980, issued on Apr 19, 2022. 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1134862980
Name
Stephanie Castrejon
Primary taxonomy
Behavior Analyst 103K00000X
Practice location
4401 Crenshaw Blvd Ste 215, Los Angeles, CA 90043
Phone
(323) 291-7100
Enumerated
Apr 19, 2022
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 4401 Crenshaw Blvd Ste 215

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

  1. Lian AbadBehavior Technician1407772775
  2. Jennifer AbarcaBehavior Technician1659228724
  3. Raja AbbasSpeech-Language Assistant1982482501
  4. Asia Abdul-BarriBehavior Technician1386418861
  5. Angela Abou ZakiBehavior Technician1942142484
  6. Cindy AbregoBehavior Technician1033950100

Verify Stephanie Castrejon 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Behavior Analyst providers in California

There are 19,950 behavior analyst records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 19,950 in California → Every provider in Los Angeles →

Other behavior analyst records in California

  1. Eduardo A HernandezTorrance, CA1811564081
  2. Ali AaronNapa, CA1689112575
  3. Elise AasenSan Francisco, CA1952829210
  4. Melanie Ann AbadSan Mateo, CA1366808545
  5. Marine Abadzhyan, ANorth Hollywood, CA1437533494
  6. Ashley Aurora AbalosRancho Cucamonga, CA1225974124
  7. Valerie Abaniel, M.A BCBAFullerton, CA1336377340
  8. Althea Abaqueta, BCBAFountain Valley, CA1619272853
  9. Stephanie AbarcaCorona, CA1124987656
  10. Vanessa AbarcaSan Jose, CA1558900910

Common questions

What is Stephanie Castrejon's NPI number?

Stephanie Castrejon's National Provider Identifier (NPI) is 1134862980, issued on Apr 19, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Castrejon located?

The NPPES record lists a practice address at 4401 Crenshaw Blvd Ste 215, Los Angeles, CA, 90043. Phone: (323) 291-7100. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Castrejon'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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.