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 59 of 137.

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

Boston has the most, 2,320

Internal Medicine Physician records in Massachusetts

  1. Yelena Kamenker-Orlov, M.D., PH.D.West Roxbury, MA 021321457390601
  2. Edward Kamens, M.D.Leominster, MA 014531538272539
  3. Peter KaminskiCambridge, MA 021391366805400
  4. Ronnie Kamoga, MDWeymouth, MA 021901396270732
  5. Ronald Kanagaki, MDSpringfield, MA 011071629040696
  6. David Kanarek, M.D.Boston, MA 021141174560288
  7. Sarah Kanbour, M.D.Boston, MA 021141205364502
  8. Venubabu Kandimalla, M.DClinton, MA 015101972734952
  9. Ashley Kane, M.D,, M.S.Boston, MA 022151700264199
  10. Barbara Kane, MDBoston, MA 021141902889850
  11. Matthew Kane, M.D.Agawam, MA 010011326001629
  12. Michael Kane, MDCambridge, MA 021391376524769
  13. Matthew Kanef, MDBurlington, MA 018051942308937
  14. Samika KanekarJamaica Plain, MA 021301942193495
  15. Suchanan Kanjanapong, MDFramingham, MA 017021457920910
  16. Zahir Kanjee-Khoja, MDBoston, MA 021151346534500
  17. Anand Kanjolia, MDSpringfield, MA 011041861465593
  18. Thoronage Kankanam Gamage, MDWare, MA 010821912118894
  19. Muhil Kannappan, MDWorcester, MA 016051215458872
  20. Craig Kannel, MDWilbraham, MA 010951659382281
  21. Steven Kanner, MDWaltham, MA 024511740270289
  22. Nandana Kansra, M.D.Westborough, MA 015811073564225
  23. Jacob Kantrowitz, MDBoston, MA 021241871055749
  24. Warren Kantrowitz, M.D.Brookline, MA 024451518021740
  25. Tuba Kanwal, M.D.Norwood, MA 020621790006799
  26. Ann Kao, MDChelsea, MA 021501588643282
  27. Tafline Kao, M.D.Worcester, MA 016551316322993
  28. Kevin Kapila, MDBoston, MA 022151346224334
  29. Alfred Kaplan, M.D.Newton, MA 024581154514974
  30. Alyson Kaplan, MDBoston, MA 021141396194684
  31. L Kaplan, MDNatick, MA 017601992826648
  32. Lawrence Kaplan, MDBrockton, MA 023011285619809
  33. Linda Kaplan, MDBoston, MA 021111548379555
  34. Lindsay Kaplan, FNP-BCBrockton, MA 023011073166393
  35. Stephen Kaplan, M.D.Plymouth, MA 023601629236849
  36. Lubov Kaplun, M.D.Brighton, MA 021351841247590
  37. Alok Kapoor, M.D.Worcester, MA 016551942258819
  38. Rachna KapoorSunderland, MA 013751659767424
  39. Amel Karaa, M.D.Boston, MA 021141053502484
  40. Korin Karabulut Kapici, MDBoston, MA 021181134771264
  41. George KarandinosChelsea, MA 021501548897432
  42. Asma Kareem, MDChicopee, MA 010201215911441
  43. Perry Karfunkel, MDBurlington, MA 018051023116886
  44. Imran Karim, MDLeominster, MA 014531811138274
  45. Kashana Karim, MDScituate, MA 020661528087624
  46. Nila Karim, MDNewton, MA 024581780670562
  47. Neelima Karipineni, MDBoston, MA 021151891961009
  48. David Karjala, DOSpringfield, MA 011071437851524
  49. Prava Karki, MDMelrose, MA 021761013531821
  50. Joan Karl, M.D.Milford, MA 017571316943061

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.