NPPES file of Aug 9, 2026

Internal Medicine Physician in Massachusetts

6,825 NPPES records list internal medicine physician with a practice address in Massachusetts, 97 per 100,000 residents, the 2nd highest rate of 51. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts license search. Page 61 of 137.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 2,320

  1. Boston2,320
  2. Worcester448
  3. Cambridge300
  4. Springfield282
  5. Burlington144

Internal Medicine Physician records in Massachusetts

  1. Nathan Kaufman, MDMarblehead, MA 019451922054600
  2. Julie Kaufmann, M.D.-PH.D.Boston, MA 021151710924592
  3. Sharda Kaul, M.D.Methuen, MA 018441427068097
  4. Sudesh Kaul, MDWorcester, MA 016081104014117
  5. Gurleen KaurBoston, MA 021151619554367
  6. Kirandeep Kaur, MDBoston, MA 021151568165512
  7. Neetu Kaur, MDSpringfield, MA 011441124349378
  8. Annamaria KauszBoston, MA 021111699882647
  9. Mira Kautzky, M.D.Boston, MA 021141972505402
  10. Ravi Kavasery, M.D.Hyde Park, MA 021361306166277
  11. Hatice KayaDorchester, MA 021241356967996
  12. Sujan Kayastha, MDNew Bedford, MA 027401962636209
  13. Joseph Kaye, M.D.Lynnfield, MA 019401033388350
  14. Trevor Kaye, M.D.Cambridge, MA 021381861480766
  15. Sai Kaza, M.D.Newburyport, MA 019501700310570
  16. Shamsah Kazani, M.D.Boston, MA 021151538174339
  17. Mehrunissa Kazim, MDWorcester, MA 016081043763782
  18. Umesh Kc, MDNew Bedford, MA 027401245439439
  19. John Keaney, MB BCH BAOBoston, MA 021141467792598
  20. John KeaneyBoston, MA 021181598384844
  21. Patricia Kearney, MDFoxboro, MA 020351578551818
  22. Meaghan Kearns, M.D.Salem, MA 019701265752539
  23. Mark Keating, M.D.Cambridge, MA 021391457309627
  24. Nancy Keating, MDBoston, MA 021151720030158
  25. Christine Keegan, MDBrookline, MA 024451952364143
  26. Tanya Keenan, MDBoston, MA 022151619314846
  27. Ekaterina Kehl, MDBoston, MA 021141073634416
  28. Glenn Kehlmann, M.D.Brookline, MA 024461942315908
  29. Sara Keihanian, M.D.Worcester, MA 016551427284215
  30. Christopher Keir, M.D.Boston, MA 021181508989310
  31. Sheri Keitz, MD, PHDBurlington, MA 018031336179514
  32. Saurabh Kejriwal, M.DSpringfield, MA 011071467836577
  33. Kashyap Kela, M.D.Springfield, MA 011041942866124
  34. Arjun Kelaiya, MDCambridge, MA 021381750086641
  35. Michael Kelleher, MDWorcester, MA 016061811965130
  36. Robert Kelleher, MDWatertown, MA 024721891761714
  37. Jeremy Keller, M.D.Cambridge, MA 021391417130832
  38. Linda Kellett, N.P.Westford, MA 018861275583254
  39. Maura Kelley, M.D.Needham, MA 024921740417104
  40. Robert Kelliher, MDWalpole, MA 020811962495010
  41. Chloe Kellum, MDBoston, MA 021181891554200
  42. Anne Marie Kelly, MDHyannis, MA 026011225192552
  43. Caitrin Kelly, MDBoston, MA 021141255712667
  44. John Kelly, M.D.Auburn, MA 015011174599211
  45. Joseph Kelly, M.D.Chicopee, MA 010201649233115
  46. Michael Kelly, MDFairhaven, MA 027191679780761
  47. Sara Kelly, M.D.Braintree, MA 021841164491957
  48. Philip Kemp, M.D.Boston, MA 022151982017562
  49. Carolyn Kendall, DOFlorence, MA 010621225097629
  50. Stuart Kendall, MDOak Bluffs, MA 025571467418426

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 51 per resident

  1. District of Columbia133
  2. Massachusetts97
  3. Rhode Island94
  4. Connecticut73
  5. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

74.5% of these records appear in a Medicare file, against 78.7% 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. Massachusetts74.5%
  2. United States78.7%

Internal Medicine Physician records in Massachusetts, measured

  • In a Medicare file5,088 of 6,825 · 74.5% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file4,103 · 60.1% here, 61.4% nationally
  • Not updated in five years or more4,346 · 63.7% here, 55.4% nationally
  • Median graduation year2004 · the 4,103 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

6,825 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Massachusetts: 97 per 100,000 residents against 44 nationally (50 states and D.C.). Boston has 2,320 of them (34%).

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. Illinois7,238
  2. Pennsylvania7,300
  3. Michigan5,735
  4. Ohio5,277

States with a similar rate per 100,000

  1. Rhode Island94.3
  2. Connecticut72.5
  3. Maryland63.2
  4. Hawaii62.9

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Pennsylvania7,300

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.