Registry data as of Aug 27, 2026

Steven Chester

Assistant Behavior Analyst · Riverside, CA

Steven Chester is an assistant behavior analyst with a practice address in Riverside, California, and NPI 1225831290, issued on Mar 27, 2025. 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
1225831290
Name
Steven Chester
Primary taxonomy
Assistant Behavior Analyst 106E00000X
Practice location
2900 Adams St Ste C25, Riverside, CA 92504
Phone
(888) 428-3223
Enumerated
Mar 27, 2025
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 2900 Adams St Ste C25

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

  1. Francine CamajAssistant Behavior Analyst1306558424
  2. Michelle CastilloAssistant Behavior Analyst1275242505
  3. Ashley CatesAssistant Behavior Analyst1265231062
  4. Miguel ChavezBehavior Technician1366394355
  5. Leonardo DavisBehavior Technician1134078272
  6. Fhe'Lycia EnninBehavior Analyst1013540277

Verify Steven Chester 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 →

Assistant Behavior Analyst providers in California

There are 2,656 assistant behavior analyst records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,656 in California → Every provider in Riverside →

Other assistant behavior analyst records in California

  1. Elyse AbadRiverside, CA1093658957
  2. Leah AbayeSan Jose, CA1811490816
  3. Muhammad AbbasElk Grove, CA1275151508
  4. Tarig Abd AllahRosemead, CA1457298226
  5. Ashar AbdallahSan Jose, CA1609574565
  6. Maimouneh AbdulhadiRoseville, CA1659231264
  7. Hanna AbeSan Jose, CA1396691457
  8. Itzel AbonceSacramento, CA1700604246
  9. Bryce AboodLos Angeles, CA1811813454
  10. Tatyana AbramovSacramento, CA1790585479

Common questions

What is Steven Chester's NPI number?

Steven Chester's National Provider Identifier (NPI) is 1225831290, issued on Mar 27, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Steven Chester located?

The NPPES record lists a practice address at 2900 Adams St Ste C25, Riverside, CA, 92504. Phone: (888) 428-3223. Providers update this record themselves, so call before visiting.

How can I verify Steven Chester'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.

Built from the named public files by PlainDoctor's data pipeline (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) 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 27, 2026.