Registry data as of Aug 27, 2026

William Buller, LCSW, LADC

Addiction (Substance Use Disorder) Counselor · Dayville, CT

William Buller, LCSW, LADC is an addiction (substance use disorder) counselor with a practice address in Dayville, Connecticut, and NPI 1982136537, issued on Apr 3, 2017. Check the license (Connecticut 16274, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordas of Aug 27, 2026
1982136537
Name
William Buller
Credential
LCSW, LADC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
16274 CT
1463 CT
Self-reported in NPPES; status is on the state search
Practice location
1007 N Main St, Dayville, CT 06241
Phone
(607) 774-2020
Enumerated
Apr 3, 2017
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 1007 N Main St

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

  1. Georgia Alevras, LMFTMarriage & Family Therapist1891733234
  2. Rebecca Angeloff, LMSWClinical Social Worker1679242614
  3. Samer Ashour, APRNPsychiatric/Mental Health Nurse Practitioner1801367495
  4. Sara Barber, LCSWClinical Social Worker1699961342
  5. Madison Belanger, LMSWSocial Worker1871335984
  6. Julie BernierClinical Social Worker1396930962

Verify William Buller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 16274
    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 Connecticut 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.

One hospital or facility affiliation

  1. United Services IncDayville, CT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

7 addiction (substance use disorder) counselor records list a Dayville practice address

They are 7 of the 231 NPPES records with a Dayville practice address, and 979 addiction (substance use disorder) counselor records in Connecticut.

Other addiction (substance use disorder) counselor records in Connecticut

  1. Tariq Abdulaziz, PH.D., LADCWaterbury, CT1386180768
  2. Emel AbedinHartford, CT1336716612
  3. Karen Ablondi, MSW, LADCNorth Branford, CT1093130320
  4. Mercedez AbneyPlainville, CT1104595941
  5. Katharine Accardo, LPC, LMHCNorwalk, CT1003493909
  6. Leida Acevedo, LADCNew Haven, CT1396081980
  7. Danielle Ackley, DARCWaterbury, CT1427485796
  8. Nancy Alberghini, LADCManchester, CT1962574624
  9. Aurora Alcantara, MDDanbury, CT1992910566
  10. Puylaurens Alexis, LADCNorth Haven, CT1073881736

Common questions

What is William Buller, LCSW, LADC's NPI number?

William Buller, LCSW, LADC's National Provider Identifier (NPI) is 1982136537, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is William Buller, LCSW, LADC located?

The NPPES record lists a practice address at 1007 N Main St, Dayville, CT, 06241. Phone: (607) 774-2020. Providers update this record themselves, so call before visiting.

How can I verify William Buller, LCSW, LADC's license?

NPPES lists Connecticut license number 16274, as entered by the provider. Search the Connecticut 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. Medicare files from data.cms.gov. 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.