NPPES file of Aug 9, 2026

Psychologist in Massachusetts

2,367 NPPES records list psychologist with a practice address in Massachusetts, 34 per 100,000 residents, the 3rd highest rate of 51. Boston and Cambridge have the most; each record links to the provider's NPI and the Massachusetts license search. Page 11 of 48.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103T00000X · method

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

Boston has the most, 457

  1. Boston457
  2. Cambridge184
  3. Brookline98
  4. Worcester81
  5. Newton79

Psychologist records in Massachusetts

  1. Diana Diniz AmaralNew Bedford, MA 027401992375190
  2. Andrea Dinsmore, PSYDWorcester, MA 016051437643814
  3. L. Dionne, PH.D.Gloucester, MA 019301861520355
  4. Christina DipaolaNew Bedford, MA 027451508113465
  5. Leah DiskinJamaica Plain, MA 021301649585100
  6. Joseph DohertyCambridge, MA 021391215099718
  7. David Doiron, DMIN LIC PSYWorcester, MA 016041598817322
  8. Andrew Dole, PSYDWaltham, MA 024521275038424
  9. Michael Donahue, ED.D.Shrewsbury, MA 015451497974331
  10. Elizabeth Donalds, PSY.D.Natick, MA 017601891021770
  11. Deidre Donaldson, PH.D.Fall River, MA 027211164550216
  12. Matthew Donati, PHDTaunton, MA 027801740944693
  13. Jennifer Donelan, PHDLexington, MA 024201215865316
  14. Xiaoxiao DongCambridge, MA 021391700572484
  15. Paul Donnelly, ED.D.Fall River, MA 027201265525521
  16. James Donovan, PHDWellesley, MA 024811013961051
  17. Robert Donovan, PH.D.South Hadley, MA 010751750599957
  18. Virginia Donovan, PH.D.Somerville, MA 021431174565501
  19. Charles Dooley, PH.D.Salem, MA 019701295912582
  20. David Doolittle, PSYDBrookline, MA 024461982687380
  21. James Doorley, PHDBoston, MA 021141942827209
  22. Lucinda Doran, PHDBrookline, MA 024451154942613
  23. Susan Doron-Lamarca, PH.D.Boston, MA 021301295903102
  24. Yonina Dorph, PSY.D.Cambridge, MA 021381093849168
  25. Nathan Doty, PH.D.Boston, MA 021141770712069
  26. Hannah Doucette, M.A.Wellesley, MA 024811639651656
  27. Shauna Dowden, PH.D.Arlington, MA 024761023190675
  28. Barbara Dowds, PHDWeston, MA 024931053520171
  29. Burt Downes, EDDGt Barrington, MA 012301043270069
  30. Margaret Downes, ED.D.Andover, MA 018101780654798
  31. Alysa Doyle, PHDBoston, MA 021141902888076
  32. Tarah Doyle, PSYDMendon, MA 017561649860412
  33. Ruth Drasin, PH.D.Cambridge, MA 021381700916376
  34. Rachel Dresner Jacobs, PH.D.Newton, MA 024611346307808
  35. Rebecca Drill, PH.D.Cambridge, MA 021391639234248
  36. Kathryn Drinkwater, PHDNewton, MA 024581336460955
  37. Yifei Du, PSY.D.Brookline, MA 024461588527634
  38. Mark Dubbelman, PHDCambridge, MA 021411588541973
  39. Rina Dubin, EDDNorwood, MA 020621306944954
  40. Matthew DuboisUpton, MA 015681194348326
  41. Rachel Duda, PSYDBoston, MA 021101063930501
  42. Donna Duffy, PH.DWinchester, MA 018901215017926
  43. Elaine Duffy, PHD PSYCHOLOGISTWayland, MA 017781972098085
  44. Patricia Duffy, PSY.D.Lexington, MA 024211851680631
  45. Hayden Duggan, ED.D.Gardner, MA 014401669607503
  46. David Duhaime, PH.D.Mansfield, MA 020481174792709
  47. Debi Dulberg, MSW PSYDBrookline, MA 024451750411641
  48. Cordelia Dumas, MA MSW LICSWNew Bedford, MA 027401851454961
  49. Lauren Dumont, PSYDCambridge, MA 021391225508120
  50. Haley Duncanson, PHDBoston, MA 021141114357407

Source: CMS NPPES, primary taxonomy 103T00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 3 of 51 per resident

  1. District of Columbia49
  2. Vermont40
  3. Massachusetts34
  4. Minnesota30
  5. New York26
  6. 50 states and D.C.14

Source: CMS NPPES, primary taxonomy 103T00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

10.9% of these records appear in a Medicare file, against 10.1% 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. Massachusetts10.9%
  2. United States10.1%

Psychologist records in Massachusetts, measured

  • In a Medicare file258 of 2,367 · 10.9% here, 10.1% nationally
  • In the CMS Doctors and Clinicians file487 · 20.6% here, 18.0% nationally
  • Not updated in five years or more1,608 · 67.9% here, 63.9% nationally
  • Median graduation year1997 · the 487 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 103T00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,367 NPPES records list psychologist (103T00000X) as their primary taxonomy with a practice address in Massachusetts: 34 per 100,000 residents against 14 nationally (50 states and D.C.). Boston has 457 of them (19%).

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. Florida2,202
  2. Michigan2,549
  3. Texas2,141
  4. Pennsylvania2,687

States with a similar rate per 100,000

  1. Puerto Rico36.4
  2. Minnesota29.5
  3. Vermont40.2
  4. New York25.8

The largest states

  1. California7,304
  2. New York5,045
  3. Pennsylvania2,687
  4. Michigan2,549
  5. Florida2,202

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.