Calvin Williams, LCSW
Addiction (Substance Use Disorder) Counselor · Santa Ana, CA
Calvin Williams, LCSW is an addiction (substance use disorder) counselor with a practice address in Santa Ana, California, and NPI 1063228203, issued on Dec 3, 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.
- Name
- Calvin Williams
- Credential
- LCSW
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- Practice location
- 400 W Civic Center Dr, Santa Ana, CA 92701
- Phone
- (714) 834-2345
- Enumerated
- Dec 3, 2024
- Record last updated
- Jul 26, 2026
- Entity
- Type 1 · individual
Also registered at 400 W Civic Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- April Jannise, LCSWClinical Social Worker1518051242
- Jinjin LangRegistered Nurse1598508921
- Trong NguyenCommunity Health Registered Nurse1811733439
- Andrew Parker, LMFTMarriage & Family Therapist1770924904
- Yesenia Samano, MSWSocial Worker1881384873
Verify Calvin Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
407 addiction (substance use disorder) counselor records list a practice address in Santa Ana
They are 407 of the 8,904 NPPES records with a practice address in Santa Ana, and 27,741 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 407 in Santa Ana → All 27,741 in California → Every provider in Santa Ana →
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- Michael Abacherli, JD, RADTSan Jacinto, CA1235826983
- Victor AbadEl Cajon, CA1205562238
- Sean AbairTaft, CA1174084347
- Maira AbalosDelano, CA1508452038
- Jazmine AbanicoVentura, CA1851964613
- Israel Abarca, CAADESan Francisco, CA1114126950
Common questions
What is Calvin Williams, LCSW's NPI number?
Calvin Williams, LCSW's National Provider Identifier (NPI) is 1063228203, issued on Dec 3, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Calvin Williams, LCSW located?
The NPPES record lists a practice address at 400 W Civic Center Dr, Santa Ana, CA, 92701. Phone: (714) 834-2345. Providers update this record themselves, so call before visiting.
How can I verify Calvin Williams, LCSW'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), 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.