NPPES file of Aug 9, 2026

Melissa Williamson

Behavior Analyst · Sandwich, MA

Melissa Williamson is a behavior analyst with a practice address in Sandwich, Massachusetts, and NPI 1376996686, issued on Jul 21, 2016. 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
1376996686
Name
Melissa Williamson
Primary taxonomy
Behavior Analyst 103K00000X
Practice location
5 Pine Tree Cir, Sandwich, MA 02563
Phone
(508) 737-1752
Enumerated
Jul 21, 2016
Record last updated
Jul 21, 2016 (not updated in 10 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 Melissa Williamson 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
Find the Massachusetts license search

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Melissa Williamson among 4,718 behavior analyst records in Massachusetts

Melissa Williamson is one of 4,718 behavior analyst records with a practice address in Massachusetts. 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 2016, is newer than 32% of them.

  • NPI issued2016 · 32% of these records are older, 60% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103K00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 behavior analyst records list a practice address in Sandwich

They are 8 of the 153 NPPES records with a practice address in Sandwich, and 4,718 behavior analyst records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 behavior analyst records with the nearest ZIP codes

  1. Jessica AdamsSandwich, MA 025631912413402
  2. Alexandra BodrieSandwich, MA 025631912316191
  3. Rebecca BurrowsSandwich, MA 025631407241516
  4. Megan Harrop, M.ED., BCBA, LABASandwich, MA 025631629652573
  5. Esther Marsh, LMSW,BCBASandwich, MA 025631326291477
  6. Ludmilla MatlockSandwich, MA 025631750835393
  7. Heather McCallen, BCBASandwich, MA 025631467990150
  8. Allyson PerrySagamore Beach, MA 025621720477532

Common questions

What is Melissa Williamson's NPI number?

Melissa Williamson's National Provider Identifier (NPI) is 1376996686, issued on Jul 21, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Williamson located?

The NPPES record lists a practice address at 5 Pine Tree Cir, Sandwich, MA, 02563. Phone: (508) 737-1752. Providers update this record themselves, so call before visiting.

How can I verify Melissa Williamson'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.