Jessica Marie Williams
Behavior Analyst · San Marcos, CA
Jessica Marie Williams is a behavior analyst with a practice address in San Marcos, California, and NPI 1538660030, issued on Feb 21, 2018. Check the license (California 00001246, 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
- Jessica Marie Williams
- Primary taxonomy
- Behavior Analyst 103K00000X
- License number
- 00001246 CA
Self-reported in NPPES; status is on the state search - Practice location
- 334 Via Vera Cruz Ste 107, San Marcos, CA 92078
- Phone
- (760) 304-5010
- Enumerated
- Feb 21, 2018
- Record last updated
- Feb 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 334 Via Vera Cruz Ste 107
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph AdamsBehavior Technician1497435424
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- Jocelyn AlavezBehavior Analyst1952802829
- Anthony AldenBehavior Technician1508577768
- Tomiko ArriagaBehavior Technician1316803539
- Irma Barajas BobadillaBehavior Analyst1811509847
Verify Jessica Marie Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 00001246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54 behavior analyst records list a practice address in San Marcos
They are 54 of the 1,985 NPPES records with a practice address in San Marcos, and 20,348 behavior analyst records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 54 in San Marcos → All 20,348 in California → Every provider in San Marcos →
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- Ashley Aurora AbalosRancho Cucamonga, CA1225974124
- Valerie Abaniel, M.A BCBAFullerton, CA1336377340
- Althea Abaqueta, BCBAFountain Valley, CA1619272853
- Stephanie AbarcaCorona, CA1124987656
- Vanessa AbarcaSan Jose, CA1558900910
- Josette Abbas, BCBAWalnut Creek, CA1407357916
Common questions
What is Jessica Marie Williams's NPI number?
Jessica Marie Williams's National Provider Identifier (NPI) is 1538660030, issued on Feb 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jessica Marie Williams located?
The NPPES record lists a practice address at 334 Via Vera Cruz Ste 107, San Marcos, CA, 92078. Phone: (760) 304-5010. Providers update this record themselves, so call before visiting.
How can I verify Jessica Marie Williams's license?
NPPES lists California license number 00001246, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
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 only as counts) 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 9, 2026.