Registry data as of Aug 27, 2026

Gerardo Arellano

Behavior Analyst · Lancaster, CA

Gerardo Arellano is a behavior analyst with a practice address in Lancaster, California, and NPI 1205652674, issued on Dec 2, 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
1205652674
Name
Gerardo Arellano
Primary taxonomy
Behavior Analyst 103K00000X
Practice location
44460 20TH St W, Lancaster, CA 93534
Phone
(714) 834-1111
Enumerated
Dec 2, 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.
Download card Updates feed

Also registered at 44460 20TH St W

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

  1. Karly CardenasBehavior Technician1154181741
  2. Ashley ColindresBehavior Technician1306788757
  3. Alejandra CruzBehavior Technician1497328876
  4. Armani HowardBehavior Technician1104502228
  5. Alana JohnsonBehavior Technician1093435042
  6. Anissa LopezBehavior Technician1295662674

Verify Gerardo Arellano 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 →

63 behavior analyst records list a Lancaster practice address

They are 63 of the 4,273 NPPES records with a Lancaster practice address, and 19,950 behavior analyst records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 63 in Lancaster → All 19,950 in California → Every provider in Lancaster →

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 Gerardo Arellano's NPI number?

Gerardo Arellano's National Provider Identifier (NPI) is 1205652674, issued on Dec 2, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Gerardo Arellano located?

The NPPES record lists a practice address at 44460 20TH St W, Lancaster, CA, 93534. Phone: (714) 834-1111. Providers update this record themselves, so call before visiting.

How can I verify Gerardo Arellano'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.