John Anthony Diaz
Addiction (Substance Use Disorder) Counselor · Torrance, CA
John Anthony Diaz is an addiction (substance use disorder) counselor with a practice address in Torrance, California, and NPI 1366958217, issued on Dec 14, 2017. Check the license (California 5766-R, 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
- John Anthony Diaz
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- 5766-R CA
Self-reported in NPPES; status is on the state search - Practice location
- 20300 S Vermont Ave, Torrance, CA 90502
- Phone
- (310) 787-1335
- Enumerated
- Dec 14, 2017
- Record last updated
- Mar 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (310) 787-1809
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →
Also registered at 20300 S Vermont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christian Cruz, PA-CMedical Physician Assistant1881878635
- Tran Le, PACPhysician Assistant1871518290
- Peggy Mons, RADT R1258750717Addiction (Substance Use Disorder) Counselor1932618352
- Launi Walker, MSN, APRN, FNP-CFamily Nurse Practitioner1083129795
- April Wheeler-ClarkAddiction (Substance Use Disorder) Counselor1114436557
Verify John Anthony Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 5766-RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Anthony Diaz among 27,741 addiction (substance use disorder) counselor records in California
John Anthony Diaz is one of 27,741 addiction (substance use disorder) counselor records with a practice address in California. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2017, is newer than 41% of them.
- NPI issued2017 · 41% of these records are older, 54% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
110 addiction (substance use disorder) counselor records list a practice address in Torrance
They are 110 of the 8,901 NPPES records with a practice address in Torrance, 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 27,741 in California → Every provider in Torrance → Addiction (Substance Use Disorder) Counselor nationwide →
The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes
- Sylvia Becerra-Prossor, MPH, CATC IVTorrance, CA 905021447771563
- Lisa CampanaTorrance, CA 905021821500612
- Brissa GironTorrance, CA 905021114464393
- Conswaila Jackson, CADCIITorrance, CA 905021265563258
- Kimberly JohnsonTorrance, CA 905021740697267
- Marc LozanoTorrance, CA 905021477072262
- Rowena MitchellTorrance, CA 905021346762598
- Peggy Mons, RADT R1258750717Torrance, CA 905021932618352
Common questions
What is John Anthony Diaz's NPI number?
John Anthony Diaz's National Provider Identifier (NPI) is 1366958217, issued on Dec 14, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John Anthony Diaz located?
The NPPES record lists a practice address at 20300 S Vermont Ave, Torrance, CA, 90502. Phone: (310) 787-1335. Providers update this record themselves, so call before visiting.
How can I verify John Anthony Diaz's license?
NPPES lists California license number 5766-R, 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.