NPPES file of Aug 9, 2026

Clinical Psychologist in Massachusetts

3,185 NPPES records list clinical psychologist with a practice address in Massachusetts, 45 per 100,000 residents, the 4th highest rate of 51. Boston and Cambridge have the most; each record links to the provider's NPI and the Massachusetts license search. Page 54 of 64.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103TC0700X · 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, 509

  1. Boston509
  2. Cambridge267
  3. Belmont165
  4. Worcester160
  5. Brookline158

Clinical Psychologist records in Massachusetts

  1. Alan Sieber, PHDLowell, MA 018521043252265
  2. Tatum Siebert, M.EDBoston, MA 021091528389566
  3. Barbara Siegel, PH.D.Arlington, MA 024761902865983
  4. Douglas Siegel, PH.D.Wellesley Hills, MA 024811760557045
  5. Ronald Siegel, PSY.D.Lincoln, MA 017731366401069
  6. Brian Siembor, PH.D.Boston, MA 021101447627195
  7. Shirley SiffWorcester, MA 016051033302369
  8. Amy Silberbogen, PH.D.Boston, MA 021301952494197
  9. Eugenia Silva, ED.D.Longmeadow, MA 011061356417653
  10. Erin Silverman, PSY.D.Norwood, MA 020621053744623
  11. Judith Silverstein, PHDNeedham Heights, MA 024941033292834
  12. Meghan SilviaFall River, MA 027211578021820
  13. Jonathan Simmons, PH.D.Falmouth, MA 025401821071812
  14. Mark Simmons, PSY DNorwood, MA 020621730265125
  15. Robert Simmons, PH.D.Leominster, MA 014531033215066
  16. William Simone-Skidmore, PHDBoston, MA 021301508022518
  17. Joel Simons, PSYDLexington, MA 024211437412467
  18. Paige Simpson-Hamilton, PSY.D.Cambridge, MA 021381174680060
  19. Samuel Sinclair, PHD - PSYCHOLOGISTSudbury, MA 017761932301751
  20. Beverly Singer, PSY.D.Quincy, MA 024641275627515
  21. Michael Singer, PHDLexington, MA 024211821143934
  22. Robert Singer, PHDOrleans, MA 026531336211051
  23. Shifali Singh, PHDBelmont, MA 024781467064543
  24. Lilith Sinha, PSYD, LICSWWellesley, MA 024811952551152
  25. Sinead Sinnott, PHDBoston, MA 021141336848969
  26. Rebecca SistadBoston, MA 021301750092631
  27. Gal Sivan, PSY.D.Brookline, MA 024461205370871
  28. Judith Skillings, PSY.D.South Hadley, MA 010751821100207
  29. Susan Sklover, PH.D.Wellesley, MA 024821740300284
  30. Arthur Sklut, PSY.D.Plymouth, MA 023601093741605
  31. Miri Skolnik, PSY.D.Quincy, MA 021691407932270
  32. Roman Slabsky, PSY.D.Brookline, MA 024461407956147
  33. Elizabeth Slater, PH.D.Wayland, MA 017781598819732
  34. Jacob Slater, PSY.DWellesley, MA 024811689245094
  35. James Slavet, PH.D.Roxbury Crossing, MA 021201801004064
  36. Stacey Slavkin, PHDBurlington, MA 018051639191216
  37. Travis Slesinski, PSYDJamaica Plain, MA 021301144705229
  38. Colleen Sloan, PHDBoston, MA 021301043652688
  39. Denise Sloan, PH.D.Boston, MA 021301437240561
  40. Gabrielle Sloss, PSYDSomerville, MA 021431649937541
  41. Allison Smith, PH.D.Waltham, MA 024531245634302
  42. Anne-Lise Smith, PH.D.Northampton, MA 010601821345364
  43. Carolyn Smith, PH.D.Shrewsbury, MA 015451467598656
  44. Christine Smith, PSY.D.Acton, MA 017201407428493
  45. David Smith, PSYDSomerville, MA 021431528132776
  46. Devorah Smith, PH.D.Boston, MA 021161487864872
  47. Frederick Smith, PH.D.West Springfield, MA 010891437184264
  48. Jean Smith, PH.D.Newton Centre, MA 024591225184039
  49. Joshua Smith, PH.D., MPHBurlington, MA 018031396876843
  50. Scott Smith, PSY.D.Hyannis, MA 026011366413148

Source: CMS NPPES, primary taxonomy 103TC0700X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 4 of 51 per resident

  1. District of Columbia83
  2. Vermont48
  3. Rhode Island47
  4. Massachusetts45
  5. Hawaii45
  6. New York34
  7. 50 states and D.C.20

Source: CMS NPPES, primary taxonomy 103TC0700X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

12.0% of these records appear in a Medicare file, against 12.2% 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. Massachusetts12.0%
  2. United States12.2%

Clinical Psychologist records in Massachusetts, measured

  • In a Medicare file382 of 3,185 · 12.0% here, 12.2% nationally
  • In the CMS Doctors and Clinicians file777 · 24.4% here, 22.4% nationally
  • Not updated in five years or more2,248 · 70.6% here, 65.3% nationally
  • Median graduation year2000 · the 777 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 103TC0700X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

3,185 NPPES records list clinical psychologist (103TC0700X) as their primary taxonomy with a practice address in Massachusetts: 45 per 100,000 residents against 20 nationally (50 states and D.C.). Boston has 509 of them (16%).

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. Florida2,980
  2. Michigan2,965
  3. Texas2,732
  4. Pennsylvania2,597

States with a similar rate per 100,000

  1. Hawaii44.6
  2. Rhode Island46.5
  3. Vermont48.0
  4. New York33.5

The largest states

  1. California12,647
  2. New York6,558
  3. Illinois3,947
  4. Florida2,980
  5. Michigan2,965

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.