NPPES file of Aug 9, 2026

Holly Iris Williamson, LISAC

Addiction (Substance Use Disorder) Counselor · Phoenix, AZ

Holly Iris Williamson, LISAC is an addiction (substance use disorder) counselor with a practice address in Phoenix, Arizona, and NPI 1033942438, issued on Aug 21, 2024. Check the license (Arizona 11735, 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
1033942438
Name
Holly Iris Williamson
Credential
LISAC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
11735 AZ
Self-reported in NPPES; status is on the state search
Practice location
3864 N 27TH Ave, Phoenix, AZ 85017
Phone
(602) 685-6000
Enumerated
Aug 21, 2024
Record last updated
Jul 15, 2026
Fax
(602) 212-6250
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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8 nearest addiction (substance use disorder) counselor records → All 837 in Arizona → Look up another NPI →

Also registered at 3864 N 27TH Ave

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

  1. Gloria Baca, FNPFamily Nurse Practitioner1396049789
  2. Anupama Banghar Trighatia, MDPsychiatry Physician1629022637
  3. Perla Bautista RomanClinical Social Worker1205700531
  4. Marilizabeth Birk, PMHNP-BC, RN, BAPsychiatric/Mental Health Nurse Practitioner1306453220
  5. Lisa BoldenMental Health Counselor1609044163
  6. Leshesundrea Brown, LIACAddiction (Substance Use Disorder) Counselor1235910498

Verify Holly Iris Williamson 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 11735    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.

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Holly Iris Williamson among 837 addiction (substance use disorder) counselor records in Arizona

Holly Iris Williamson, LISAC is one of 837 addiction (substance use disorder) counselor records with a practice address in Arizona. 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 2024, is newer than 88% of them.

  • NPI issued2024 · 88% of these records are older, 8% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2026 · 57% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Counselor providers in Arizona

There are 837 addiction (substance use disorder) counselor records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 837 in Arizona → Every provider in Phoenix → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Patrick Anderson, LISACPhoenix, AZ 850171093455396
  2. Jonnie Arnold, PSYDPhoenix, AZ 850171801089685
  3. Leshesundrea Brown, LIACPhoenix, AZ 850171235910498
  4. Lynne Cockrum-Murphy, LISACPhoenix, AZ 850171053096123
  5. Elizabeth Joly, LISACPhoenix, AZ 850171306604921
  6. Dillon Rylatt, LISACPhoenix, AZ 850171972380988
  7. Lee Zohaunnie-RussellPhoenix, AZ 850171376983965
  8. Linda Choplin, MED, LISAC, NBCC, MCPhoenix, AZ 850181033366687

Common questions

What is Holly Iris Williamson, LISAC's NPI number?

Holly Iris Williamson, LISAC's National Provider Identifier (NPI) is 1033942438, issued on Aug 21, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Holly Iris Williamson, LISAC located?

The NPPES record lists a practice address at 3864 N 27TH Ave, Phoenix, AZ, 85017. Phone: (602) 685-6000. Providers update this record themselves, so call before visiting.

How can I verify Holly Iris Williamson, LISAC's license?

NPPES lists Arizona license number 11735, 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.