NPPES file of Aug 9, 2026

Sionie Williams

Behavior Technician · Brockton, MA

Sionie Williams is a behavior technician with a practice address in Brockton, Massachusetts, and NPI 1003317280, issued on Feb 23, 2018. Check the license with the Massachusetts 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
1003317280
Name
Sionie Williams
Primary taxonomy
Behavior Technician 106S00000X
Practice location
12 Mayotte Cir, Brockton, MA 02301
Phone
(617) 792-9098
Enumerated
Feb 23, 2018
Record last updated
Feb 23, 2018 (not updated in 8 years: call before relying on the address or phone)
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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Verify Sionie Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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
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261 behavior technician records list a practice address in Brockton

They are 261 of the 4,287 NPPES records with a practice address in Brockton, and 11,430 behavior technician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other behavior technician records in Massachusetts

  1. Karen AaseBoston, MA1891269601
  2. Blessing AbahHingham, MA1770123069
  3. Stefani AbarcaLawrence, MA1942771167
  4. Abdullah AbbasiSpringfield, MA1326847294
  5. Amber AbbondanzoWorcester, MA1083470017
  6. Jessica AbbottLowell, MA1700481462
  7. Emad AbboudDanvers, MA1649080425
  8. Nina AbdallahNorth Reading, MA1992370167
  9. Amira AbdelfattahBeverly, MA1689544975
  10. Isra AbdelhadiMarlborough, MA1306508718

Common questions

What is Sionie Williams's NPI number?

Sionie Williams's National Provider Identifier (NPI) is 1003317280, issued on Feb 23, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Sionie Williams located?

The NPPES record lists a practice address at 12 Mayotte Cir, Brockton, MA, 02301. Phone: (617) 792-9098. Providers update this record themselves, so call before visiting.

How can I verify Sionie Williams's license?

Search the Massachusetts 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.