Registry data as of Aug 27, 2026

Sarah Castillo

Behavior Technician · Alhambra, CA

Sarah Castillo is a behavior technician with a practice address in Alhambra, California, and NPI 1851128409, issued on Sep 17, 2024. 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
1851128409
Name
Sarah Castillo
Primary taxonomy
Behavior Technician 106S00000X
Practice location
1000 S. Fremont Ave., Alhambra, CA 91803
Phone
(626) 349-3838
Enumerated
Sep 17, 2024
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 1000 S. Fremont Ave.

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

  1. Tosh AyersBehavior Technician1043078868
  2. Janette BonillaBehavior Technician1871327619
  3. Katelynn ChieBehavior Technician1053148478
  4. Ejon MannilStudent in an Organized Health Care Education/Training Program1316786973
  5. Lois Soliman, PA-S2Physician Assistant1669211488

Verify Sarah 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.

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

430 behavior technician records list a Alhambra practice address

They are 430 of the 1,802 NPPES records with a Alhambra practice address, and 174,024 behavior technician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other behavior technician records in California

  1. James A DetarFremont, CA1699551622
  2. Jordyn A JacksonMoreno Valley, CA1336837749
  3. Jessica A RodriguezIrvine, CA1033701982
  4. Yuki A'BeckettMonrovia, CA1548138944
  5. Paris A'SaniMonrovia, CA1336930510
  6. Rana AabedMonrovia, CA1245960640
  7. Lucila AabyMonrovia, CA1912691692
  8. Madeleine AahlSan Leandro, CA1386288140
  9. Erica AaltoTorrance, CA1598519159
  10. Kylie AardemaOrange, CA1124864210

Common questions

What is Sarah Castillo's NPI number?

Sarah Castillo's National Provider Identifier (NPI) is 1851128409, issued on Sep 17, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Castillo located?

The NPPES record lists a practice address at 1000 S. Fremont Ave., Alhambra, CA, 91803. Phone: (626) 349-3838. Providers update this record themselves, so call before visiting.

How can I verify Sarah Castillo'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.

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.