NPPES file of Aug 9, 2026

Liana Marie Williams

Behavior Analyst · Roxbury, MA

Liana Marie Williams is a behavior analyst with a practice address in Roxbury, Massachusetts, and NPI 1629498605, issued on Apr 17, 2014. 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
1629498605
Name
Liana Marie Williams
Primary taxonomy
Behavior Analyst 103K00000X
Practice location
434 Warren St., Roxbury, MA 02121
Phone
(617) 989-0276
Enumerated
Apr 17, 2014
Record last updated
Apr 17, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(617) 989-0276
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 Liana Marie 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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6 behavior analyst records list a practice address in Roxbury

They are 6 of the 1,027 NPPES records with a practice address in Roxbury, and 4,718 behavior analyst records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6 in Roxbury → All 4,718 in Massachusetts → Every provider in Roxbury →

Other behavior analyst records in Massachusetts

  1. Julianne Abbascia, BCBA LABAWorcester, MA1255179958
  2. Lisa AbbottTewksbury, MA1740977206
  3. Parinita AbbottAmherst, MA1104424548
  4. Subnam Abdul SamadWest Springfield, MA1912575838
  5. Caitlin AbelliNatick, MA1972906352
  6. Erin AblazaPocasset, MA1104244771
  7. Sarah AbneyPocasset, MA1902351877
  8. Ahmed AbouelnagaWakefield, MA1932077229
  9. Jayme AbramofskyDanvers, MA1619600228
  10. Alexandra AbrechtNewton, MA1427721471

Common questions

What is Liana Marie Williams's NPI number?

Liana Marie Williams's National Provider Identifier (NPI) is 1629498605, issued on Apr 17, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Liana Marie Williams located?

The NPPES record lists a practice address at 434 Warren St., Roxbury, MA, 02121. Phone: (617) 989-0276. Providers update this record themselves, so call before visiting.

How can I verify Liana Marie 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.

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.