NPPES file of Aug 9, 2026

Behavior Analyst in Massachusetts

4,718 NPPES records list behavior analyst with a practice address in Massachusetts, 67 per 100,000 residents, the 2nd highest rate of 51. Worcester and Natick have the most; each record links to the provider's NPI and the Massachusetts license search. Page 93 of 95.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103K00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Worcester has the most, 312

  1. Worcester312
  2. Natick235
  3. Milford191
  4. Danvers184
  5. Marlborough150

Behavior Analyst records in Massachusetts

  1. Kelsey WilliamsNatick, MA 017601003475351
  2. Kristine WilliamsWest Springfield, MA 010891205594868
  3. Lauren Williams, M.ED., BCBA, LABARochester, MA 027701003350703
  4. Liana WilliamsRoxbury, MA 021211629498605
  5. Mark Williams, MED., BCBAPeabody, MA 019601720402696
  6. Rose Williams, M.E.DMiddleboro, MA 023461841669348
  7. Stephanie Williams, MUAMattapan, MA 021261598036592
  8. Zhanea WilliamsMarlborough, MA 017521942840350
  9. Jacqueline Williams-HinesSpringfield, MA 011191578988812
  10. Clara Williamson, BCBABeverly, MA 019151174990352
  11. Emily WilliamsonMilford, MA 017571376100628
  12. Melissa WilliamsonSandwich, MA 025631376996686
  13. Antoinette WillisNorth Chelmsford, MA 018631396252094
  14. Kinsley Willis, MS, BCBA, LABAAndover, MA 018101669080727
  15. Alana Wilson, M. ED.Harwich, MA 026451902158769
  16. Conor WilsonNew Bedford, MA 027401295138683
  17. Graham WilsonWatertown, MA 024721760725113
  18. Kalin WilsonWellesley, MA 024811770201725
  19. Keisa WilsonMarlborough, MA 017521760088835
  20. Kendra WilsonWorcester, MA 016071215394531
  21. Lauren Wilson, M.S., BCBAMarlborough, MA 017521578165619
  22. Meaghan WilsonNatick, MA 017601205350378
  23. Ginette Wilson Bishop, MS.ED, BCBAWatertown, MA 024721649567124
  24. Esther WimbishWest Springfield, MA 010891285050096
  25. Keri Windsor, BCBARandolph, MA 023681871053983
  26. Caroline WinnettNatick, MA 017601790335776
  27. Megan WinslowDanvers, MA 019231245691427
  28. Christina WinsorNewton, MA 024641669872073
  29. Heather Winters, PSY.D., BCBALexington, MA 024211932498193
  30. Abbi WirtaNorth Easton, MA 023561154865772
  31. Luz Witt-MesaWorcester, MA 016051942603717
  32. Jill Wittmer, BCBALunenburg, MA 014621437332582
  33. Hailey WizboskiBeverly, MA 019151467330787
  34. Caleb WnorowskiPeabody, MA 019601538053145
  35. Lisa WojcikSpringfield, MA 011041497647945
  36. Elizabeth WojtowiczWatertown, MA 024721316369218
  37. Jared Wolfe, BCBA, LABANorwell, MA 020611760034797
  38. Sarah WolfeNatick, MA 017601104206127
  39. Helen WoodPalmer, MA 010691518343698
  40. Michaela WoodBoston, MA 021091497416028
  41. Tara Wood, BCBA LABAPlainville, MA 027621528553021
  42. Randy WoodardAmherst, MA 010021033670682
  43. Sheena WoodenWatertown, MA 024721285148767
  44. Gordon WoodfinBeverly, MA 019151497339535
  45. Rachel WoodiwissFitchburg, MA 014201568133619
  46. Katelyn WoodmanMilford, MA 017571073812798
  47. Brenna WoodsWaltham, MA 024511366810053
  48. Catherine Woods, BCBADanvers, MA 019231194197590
  49. Colleen WoodsEast Falmouth, MA 025361770889198
  50. Nicolle Woods, M.S., BCBASomerville, MA 021441578905816

Source: CMS NPPES, primary taxonomy 103K00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 51 per resident

  1. Nevada142
  2. Massachusetts67
  3. Hawaii63
  4. Florida60
  5. 50 states and D.C.32

Source: CMS NPPES, primary taxonomy 103K00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.1% of these records appear in a Medicare file, against 0.1% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Massachusetts0.1%
  2. United States0.1%

Behavior Analyst records in Massachusetts, measured

  • In a Medicare file5 of 4,718 · 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file10 · 0.2% here, 0.1% nationally
  • Not updated in five years or more2,819 · 59.7% here, 47.0% nationally
  • Median graduation year2018 · the 10 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 103K00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

4,718 NPPES records list behavior analyst (103K00000X) as their primary taxonomy with a practice address in Massachusetts: 67 per 100,000 residents against 32 nationally (50 states and D.C.). Worcester has 312 of them (7%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Nevada4,540
  2. New York5,183
  3. Pennsylvania3,770
  4. New Jersey3,766

States with a similar rate per 100,000

  1. Hawaii63.5
  2. Florida60.0
  3. California52.2
  4. New Mexico47.5

The largest states

  1. California20,348
  2. Florida13,565
  3. Texas5,837
  4. New York5,183
  5. Nevada4,540

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.