NPPES file of Aug 9, 2026

Psychiatry Physician in Massachusetts

2,736 NPPES records list psychiatry physician with a practice address in Massachusetts, 39 per 100,000 residents, the 2nd highest rate of 51. Boston and Cambridge have the most; each record links to the provider's NPI and the Massachusetts license search. Page 27 of 55.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2084P0800X · 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, 845

  1. Boston845
  2. Cambridge213
  3. Belmont151
  4. Worcester133
  5. Brookline117

Psychiatry Physician records in Massachusetts

  1. Gustavo Kinrys, M.D.Cambridge, MA 021411023076676
  2. Daniel Kirsch, M.D.Worcester, MA 016051013907401
  3. Lewis Kirshner, MDCambridge, MA 021391982793121
  4. David Klegon, M.D.Framingham, MA 017011255417812
  5. Robert Klein, M.D.Boston, MA 021151124175609
  6. Rona Klein, M.D.Boston, MA 021991750448007
  7. Steven KleinerBrookline, MA 024451184638355
  8. Arthur Kleinman, M.D.Cambridge, MA 021381114053709
  9. Elissa Kleinman, M.D.Cambridge, MA 021381679639769
  10. Robert Andrew Kleinman, M.D.Belmont, MA 024781649654583
  11. Stephen Kleinman, MDCharlestown, MA 021291962492124
  12. Trude Kleinschmidt, M.D.Belmont, MA 024781275572364
  13. Rebecca Knapp, M.D.Worcester, MA 016551609854983
  14. William Knight, M.D.Pittsfield, MA 012011790815397
  15. Kendra Kobrin, MD/PHDHyannis, MA 026011639601487
  16. Jennifer Koch, M.D.Newton, MA 024621770726945
  17. Sophia Kogan, MDWorcester, MA 016061366836736
  18. Katherine Koh, MD, MSCBoston, MA 021141245643345
  19. Samuel Kohrman, M.D.Boston, MA 021141992151237
  20. Amanda Koire, MDBoston, MA 021151891323382
  21. Kavitha Kolappa, M.D.Boston, MA 021141598095978
  22. Jonathan Kolb, MDBrookline, MA 024451821088394
  23. Djordje Koldzic, MDBoston, MA 021111780805150
  24. Nicholas KontosCambridge, MA 021391962569251
  25. Nicole Kontos, PHDBoston, MA 021141053385781
  26. Grace Kooper, M.D.Brockton, MA 023021477531895
  27. Julia KoretskiNewton, MA 024621518463512
  28. Tanya Korkosz, MDBelmont, MA 024781447314638
  29. Sara-Jane Kornblith, M.D.Natick, MA 017601477610897
  30. Sergio KorndorferBoston, MA 021151326116195
  31. Caleb Korngold, M.D.Boston, MA 022151477795201
  32. Eric Kosinski, M.D.Leominster, MA 014531881747822
  33. Katherine KosmanBoston, MA 021301922341726
  34. Priyamvada Kota, M.D.Wellesley, MA 024811093926818
  35. Nayanika Kotagiri, MDCambridge, MA 021391508506114
  36. Samuel Kothalanka, M.D.Brighton, MA 021351992147607
  37. Larisa Kouperschmidt, MDEverett, MA 021491336442888
  38. Martha Koutsos, MDBurlington, MA 018051932121985
  39. Katherine Kozitza, MDCambridge, MA 021381164469433
  40. Regina Koziyevskaya, M.D.Brookline, MA 024461427095660
  41. Alexander Kozlovsky, M.D.Salem, MA 019071679531297
  42. David Kraft, M.D.Northampton, MA 010601104899897
  43. Philip Kraft, M. D.Chelsea, MA 021501821079724
  44. Marc Kramer, M.D.Brighton, MA 021351366525222
  45. George Kriebel, M.D.Florence, MA 010621710987177
  46. Joshua Kriegel, MDWestborough, MA 015811477013910
  47. Michael Alan Krieger, M.D.Bedford, MA 017301396793568
  48. Michael Kritzer-Cheren, MD/PHDBoston, MA 021141578950549
  49. David Kroll, M.D.Boston, MA 021151336381078
  50. William KromkaBoston, MA 021151558822593

Source: CMS NPPES, primary taxonomy 2084P0800X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 51 per resident

  1. District of Columbia70
  2. Massachusetts39
  3. Rhode Island35
  4. New York34
  5. 50 states and D.C.17

Source: CMS NPPES, primary taxonomy 2084P0800X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

65.4% of these records appear in a Medicare file, against 68.5% 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. Massachusetts65.4%
  2. United States68.5%

Psychiatry Physician records in Massachusetts, measured

  • In a Medicare file1,788 of 2,736 · 65.4% here, 68.5% nationally
  • In the CMS Doctors and Clinicians file1,220 · 44.6% here, 42.4% nationally
  • Not updated in five years or more1,685 · 61.6% here, 56.2% nationally
  • Median graduation year2005 · the 1,219 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2084P0800X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,736 NPPES records list psychiatry physician (2084P0800X) as their primary taxonomy with a practice address in Massachusetts: 39 per 100,000 residents against 17 nationally (50 states and D.C.). Boston has 845 of them (31%).

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. Florida2,744
  2. Pennsylvania2,662
  3. Texas3,318
  4. Illinois2,147

States with a similar rate per 100,000

  1. Rhode Island34.9
  2. New York33.7
  3. Connecticut32.5
  4. Vermont31.4

The largest states

  1. California8,673
  2. New York6,589
  3. Texas3,318
  4. Florida2,744
  5. Pennsylvania2,662

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.