Erwin Joshua Catly, MA, BCBA
Behavior Analyst · Stockton, CA
Erwin Joshua Catly, MA, BCBA is a behavior analyst with a practice address in Stockton, California, and NPI 1851861512, issued on Nov 26, 2018. Check the license (California 1-21-49465, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Erwin Joshua Catly
- Credential
- MA, BCBA
- Primary taxonomy
- Behavior Analyst 103K00000X
- License number
- 1-21-49465 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3620 W Hammer LN, Stockton, CA 95219
- Phone
- (209) 521-4791
- Enumerated
- Nov 26, 2018
- Entity
- Type 1 · individual
Also registered at 3620 W Hammer LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Viridiana AguirreBehavior Technician1578452629
- Reina AlcazarBehavior Technician1609467679
Verify Erwin Joshua Catly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 1-21-49465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
180 behavior analyst records list a Stockton practice address
They are 180 of the 9,522 NPPES records with a Stockton 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 180 in Stockton → All 19,950 in California → Every provider in Stockton →
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Common questions
What is Erwin Joshua Catly, MA, BCBA's NPI number?
Erwin Joshua Catly, MA, BCBA's National Provider Identifier (NPI) is 1851861512, issued on Nov 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Erwin Joshua Catly, MA, BCBA located?
The NPPES record lists a practice address at 3620 W Hammer LN, Stockton, CA, 95219. Phone: (209) 521-4791. Providers update this record themselves, so call before visiting.
How can I verify Erwin Joshua Catly, MA, BCBA's license?
NPPES lists California license number 1-21-49465, as entered by the provider. 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.