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 66 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. Sandhya Kota, M.DSpringfield, MA 011071578094504
  2. Anusha Kothapalli, MDHaverhill, MA 018301598330946
  3. Dhruva Kothari, M.D.Worcester, MA 016051063771574
  4. Om KothariBoston, MA 021181598467797
  5. Maya Kotlyar, MDBoston, MA 021351336223528
  6. Daria Kotsar, MDEast Boston, MA 021281891420725
  7. Philip Kotsios, M.D.Lowell, MA 018541306801493
  8. Ashwin Kotwal, MDBoston, MA 021151891108130
  9. Javeria Kouser, M.DSouthborough, MA 017721801062104
  10. Deborah Kovacs, MDActon, MA 017201386634772
  11. Suzanne Koven, MDBoston, MA 021141790764561
  12. Edward Kowaloff, M.D.Cambridge, MA 021381437147071
  13. Harvey Kowaloff, M.D.Plymouth, MA 023601700863016
  14. Konrad Kozlowski, MDNewton, MA 024621750176798
  15. Karen Krag, MDPeabody, MA 019601790899656
  16. Thalia Krakower, M.D.Boston, MA 021141821288325
  17. Eli Kramer, M.D.Needham, MA 024921396859914
  18. Michael Kramer, MDHingham, MA 020431760412613
  19. Shelley Kramer, MDWestborough, MA 015811649233495
  20. Susan Krantz, M.D.Worcester, MA 016551568446722
  21. Ronald Krasinski, M.D.Newton, MA 024581730176462
  22. Jay Krasner, MDSudbury, MA 017761316950751
  23. Radomir Kratchmarov, MD, PHDBoston, MA 021151316407919
  24. Diane Krause, MD, MPHBoston, MA 021111811004963
  25. Katherine Krauskopf, M.D.Greenfield, MA 013011194980623
  26. Donna Krauth, M.D.Provincetown, MA 026571548286321
  27. Mandy Krauthamer, M.DBoston, MA 021141174670954
  28. Bernard Kreger, M.D.Boston, MA 021181417985953
  29. Carolyn Kreinsen, MDNewton, MA 024581306802798
  30. Judith Kremnick, N.P.Westford, MA 018861073562658
  31. Arthur Kress, MDWoburn, MA 018011033190749
  32. Whitney Kress, M.D.Wellesley, MA 024821376980128
  33. Gila Kriegel, M.D.Boston, MA 022151750328944
  34. David Krieger, M.D.Boston, MA 021091346219326
  35. Silke Krieger, MDJamaica Plain, MA 021301356306773
  36. Bharath Krishnamurthy, MDWorcester, MA 016551326561390
  37. Mark Krivopal, M.D.Needham, MA 024941356323604
  38. David Krohn, M.D.Wellesley, MA 024811689643298
  39. Frannie Kronenberg, M.D.Boston, MA 021421467671248
  40. Ariella Krones, MDBoston, MA 021181922494244
  41. Kenneth Kronlund, MDShrewsbury, MA 015451174584643
  42. Andrea Kronman, MDChestnut Hill, MA 024671427093525
  43. Joan Kross, MDBoston, MA 021111306953328
  44. Arthur Krulewitz, MDSouth Hadley, MA 010751366453904
  45. Julie Krutiak, MDBoston, MA 022151487677043
  46. Kenneth Krutt, MDArlington, MA 024741356433288
  47. John Kryder, M.D.Wellesley, MA 024811154360246
  48. Annika Krystyna, M.D.Jamaica Plain, MA 021301437365319
  49. Thomas Ku, M.D.Plymouth, MA 023601417344086
  50. Joshua KuanLowell, MA 018521588018063

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.