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 71 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. Candace Lessey, MDBurlington, MA 018051326721572
  2. William Lester, MDBoston, MA 021141316920184
  3. Robert Leung, MDWorcester, MA 016051164050290
  4. Teli Leung-Galecki, M.D.Acton, MA 017201043363088
  5. Renald Leveckis, M.D.Walpole, MA 020811932149473
  6. Dmitry Levenson, MDWebster, MA 015701588685671
  7. James Levenson, M.D.Boston, MA 022151346321916
  8. Andrew Levin, M.D.Holyoke, MA 010401033177233
  9. Benjamin Levin, M.D.Hyannis, MA 026011356631436
  10. Michael Levin, MDNewton, MA 024621417041781
  11. Seth Levin, MDBoston, MA 021151588077903
  12. Yelena Levin, MDTaunton, MA 027801225056708
  13. Yuriy Levin, MDSalem, MA 019701295781003
  14. Zinaida Levin, MDCanton, MA 020211174591895
  15. Jeffrey Levin-Scherz, MD MBABoston, MA 021091699702555
  16. Cindy Levine, M.D.Chelsea, MA 021501437137270
  17. David Levine, MDBedford, MA 017301730537192
  18. David Levine, M.D.Boston, MA 021201578823761
  19. Elizabeth Levine, MDTaunton, MA 027801962412957
  20. Gail Levine, MDJamaica Plain, MA 021301760449078
  21. James Levine, M.D.Wellesley, MA 024811396850350
  22. Marilyn Levine, MDHolyoke, MA 010401710987607
  23. Mitchell Levine, M.D.Newton Lower Falls, MA 024621760592281
  24. Steven Levisohn, MDBoston, MA 021141679551410
  25. Julie Levison, M.D.Boston, MA 021151801930292
  26. Roy Levit, MDBoston, MA 022151437808136
  27. David Levitin, MDWestborough, MA 015811518934405
  28. Deborah Levy, M.D.Jamaica Plain, MA 021301659332674
  29. Donald Levy, MDChestnut Hill, MA 024671669538674
  30. Lewis Levy, M.D.Boston, MA 022151861458200
  31. Linda Lewallen, MDMethuen, MA 018441437224201
  32. Eva Lewin, M.D.Springfield, MA 011071801186911
  33. Seth Lewin, M.D.Needham, MA 024921194868661
  34. Howard Lewine, M.D.Boston, MA 021151851329866
  35. John Lewis, MDWest Roxbury, MA 021301255366407
  36. Victor Lewis, MDChelsea, MA 021501376525725
  37. Alice LiBoston, MA 021111851124168
  38. Jonathan LiBoston, MA 022151811377633
  39. Joseph Li, M.D.Boston, MA 022151043209380
  40. Katie Li, MDBoston, MA 021181972189967
  41. Li Li, MDSandwich, MA 025631215977327
  42. Lynn Li, M.D.Worcester, MA 016551073594552
  43. Michelle LiBoston, MA 021141659786051
  44. Peter Li, M.D.Boston, MA 021111154617082
  45. Suellen LiBoston, MA 021141285193169
  46. Tianyi Li, D.O.Burlington, MA 018031740629161
  47. Trudy Li, M.D., MPHBoston, MA 021141891221693
  48. Wei Gen Li, M.D.Plymouth, MA 023601417904806
  49. Wei Sum Li, M.D.Charlestown, MA 021291629425046
  50. William Li, M.D.Cambridge, MA 021421528277886

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.