NPPES file of Aug 9, 2026

William Thomas Alliston, LLMSW

Clinical Social Worker · Pontiac, MI

William Thomas Alliston, LLMSW is a clinical social worker with a practice address in Pontiac, Michigan, and NPI 1841571635, issued on Sep 7, 2011. Check the license (Michigan 6801093478, as entered in NPPES) with the Michigan 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
1841571635
Name
William Thomas Alliston
Credential
LLMSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
6801093478 MI
Self-reported in NPPES; status is on the state search
Practice location
114 Orchard Lake RD, Pontiac, MI 48341
Phone
(248) 858-7766
Enumerated
Sep 7, 2011
Record last updated
Sep 7, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(248) 858-7201
Medicaid ID
1883825 MI
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 114 Orchard Lake RD

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

  1. Kristen AlbrightAddiction (Substance Use Disorder) Counselor1699216630
  2. Erika Alexander, MA, LPC, CACCounselor1780739425
  3. Jaswant Bagga, MDAddiction Medicine (Psychiatry & Neurology) Physician1740349620
  4. Genevieve BarrClinical Social Worker1548905334
  5. Anabella Berns, MSWSocial Worker1407604580
  6. Jacqueline Blake, MA, LPC, LLPPsychologist1386799070

Verify William Thomas Alliston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 6801093478
    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 Michigan 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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129 clinical social worker records list a practice address in Pontiac

They are 129 of the 1,951 NPPES records with a practice address in Pontiac, and 17,644 clinical social worker records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Michigan

  1. Susan Aalsburg, M.S.W.Belmont, MI1962688630
  2. Pamela Aalto, LMSWEscanaba, MI1518271162
  3. Layla AbadaNovi, MI1982195608
  4. Gabriella AbaloAnn Arbor, MI1851983068
  5. Farwa AbbasDearborn, MI1285109694
  6. Meisaa Abbas, MA, LLMSWNovi, MI1871254672
  7. Jaclyn Abbate, LMSWGrand Rapids, MI1144678210
  8. Jeffrey AbbayaSterling Heights, MI1144071341
  9. Margaret Abbenante, LMSW,ACSWSaginaw, MI1255367967
  10. Kristen Abbo, LMSWCommerce Twp, MI1932947546

Common questions

What is William Thomas Alliston, LLMSW's NPI number?

William Thomas Alliston, LLMSW's National Provider Identifier (NPI) is 1841571635, issued on Sep 7, 2011. An NPI identifies a provider in billing; it is not a license.

Where is William Thomas Alliston, LLMSW located?

The NPPES record lists a practice address at 114 Orchard Lake RD, Pontiac, MI, 48341. Phone: (248) 858-7766. Providers update this record themselves, so call before visiting.

How can I verify William Thomas Alliston, LLMSW's license?

NPPES lists Michigan license number 6801093478, as entered by the provider. Search the Michigan 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.