NPPES file of Aug 9, 2026

Diane S. Williams, LAC

Mental Health Counselor · Phoenix, AZ

Diane S. Williams, LAC is a mental health counselor with a practice address in Phoenix, Arizona, and NPI 1760629059, issued on Jan 8, 2009. Check the license (Arizona LAC-1493, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760629059
Name
Diane S. Williams
Credential
LAC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
LAC-1493 AZ
Self-reported in NPPES; status is on the state search
Practice location
8825 N 23RD Ave, Phoenix, AZ 85021
Phone
(602) 861-2255
Enumerated
Jan 8, 2009
Record last updated
Jan 8, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(602) 861-2288
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.
Download card Updates feed

8 nearest mental health counselor records → All 3,260 in Arizona → Look up another NPI →

Also registered at 8825 N 23RD Ave

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

  1. Joshua Plosker, LMSWSocial Worker1518104801
  2. Diana Suleymanova, MSN-PH, APRN, FNP-CFamily Nurse Practitioner1609624154
  3. Rock Todd, LAC, LASACAddiction (Substance Use Disorder) Counselor1205073582
  4. Becky Wedell, LASACAddiction (Substance Use Disorder) Counselor1649417932

Verify Diane S. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license LAC-1493    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 Arizona 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Diane S. Williams among 3,260 mental health counselor records in Arizona

Diane S. Williams, LAC is one of 3,260 mental health counselor records with a practice address in Arizona. 4% 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 2009, is newer than 14% of them.

  • NPI issued2009 · 14% of these records are older, 84% newer
  • In a Medicare fileNo · 4% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2009 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

818 mental health counselor records list a practice address in Phoenix

They are 818 of the 31,399 NPPES records with a practice address in Phoenix, and 3,260 mental health counselor records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,260 in Arizona → Every provider in Phoenix → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Misty Andersen-Pitcher, LPCPhoenix, AZ 850211508210006
  2. Todd Andre, LPCPhoenix, AZ 850211538393764
  3. Maynard Bell, LPCPhoenix, AZ 850211720399488
  4. Lori EllezianPhoenix, AZ 850211730514746
  5. Anna Halpine, LPCPhoenix, AZ 850211902010960
  6. Jillian JemaaPhoenix, AZ 850211437747920
  7. Adele Panico, LMSWPhoenix, AZ 850211235439597
  8. Jean PerryPhoenix, AZ 850211801152301

Common questions

What is Diane S. Williams, LAC's NPI number?

Diane S. Williams, LAC's National Provider Identifier (NPI) is 1760629059, issued on Jan 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Diane S. Williams, LAC located?

The NPPES record lists a practice address at 8825 N 23RD Ave, Phoenix, AZ, 85021. Phone: (602) 861-2255. Providers update this record themselves, so call before visiting.

How can I verify Diane S. Williams, LAC's license?

NPPES lists Arizona license number LAC-1493, as entered by the provider. Search the Arizona 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.