Registry data as of Aug 27, 2026

Gary Williams, PEER RECOVERY COACH

Addiction (Substance Use Disorder) Counselor · Fontana, CA

Gary Williams, PEER RECOVERY COACH is an addiction (substance use disorder) counselor with a practice address in Fontana, California, and NPI 1427701366, issued on Feb 1, 2022. Check the license (California MPSS-PCIHYD, 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.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1427701366
Name
Gary Williams
Credential
PEER RECOVERY COACH
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
MPSS-PCIHYD CA
R1486101022 CA
Self-reported in NPPES; status is on the state search
Practice location
15217 San Bernardino Ave, Fontana, CA 92335
Phone
(951) 643-2150
Enumerated
Feb 1, 2022
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 15217 San Bernardino Ave

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

  1. Lori BoysterLicensed Psychiatric Technician1235902024
  2. Lasheena Carter, LVNLicensed Vocational Nurse1639853492
  3. Oswaldo CastilloLicensed Vocational Nurse1538005087
  4. Cassandra CrookPeer Specialist1164090536
  5. Alysiana Elizalde TahaSocial Worker1457289662
  6. Jevonne FosterLicensed Psychiatric Technician1154106946

Verify Gary Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license MPSS-PCIHYD
    Check 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 →

Addiction (Substance Use Disorder) Counselor providers in California

There are 29,099 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other addiction (substance use disorder) counselor records in California

  1. Sean A Jerome, CADCIICosta Mesa, CA1831884550
  2. Carrie AamodtVisalia, CA1932661311
  3. Emory Aaron, CCAPP C4321214Los Angeles, CA1073980801
  4. Lisa Aaron, CASACCulver City, CA1356090849
  5. Michael Abacherli, JD, RADTSan Jacinto, CA1235826983
  6. Victor AbadEl Cajon, CA1205562238
  7. Sean AbairTaft, CA1174084347
  8. Maira AbalosDelano, CA1508452038
  9. Jazmine AbanicoVentura, CA1851964613
  10. Israel Abarca, CAADESan Francisco, CA1114126950

Common questions

What is Gary Williams, PEER RECOVERY COACH's NPI number?

Gary Williams, PEER RECOVERY COACH's National Provider Identifier (NPI) is 1427701366, issued on Feb 1, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Gary Williams, PEER RECOVERY COACH located?

The NPPES record lists a practice address at 15217 San Bernardino Ave, Fontana, CA, 92335. Phone: (951) 643-2150. Providers update this record themselves, so call before visiting.

How can I verify Gary Williams, PEER RECOVERY COACH's license?

NPPES lists California license number MPSS-PCIHYD, 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.