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 74 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. Rigoberto Lopez Saldana, MDFramingham, MA 017021942828983
  2. Steven Lord, MDBoston, MA 021181124516695
  3. Richard Lords, M.D.Abington, MA 023511649296427
  4. Songprod Lorgunpai, M.D.Cambridge, MA 021381225423015
  5. Daniel Loriaux, MDBoston, MA 021151932638962
  6. Michael Lorinsky, MDBoston, MA 021141326532045
  7. Koravich Lorlowhakarn, M.D.Brighton, MA 021351477394989
  8. Wojciech LososWorcester, MA 016551720665714
  9. Eric Lott, M.D.Boston, MA 021141164809091
  10. Timothy Loughran, MDDanvers, MA 019231083659585
  11. Robert Lounsbury, M.D.Chicopee, MA 010201154384113
  12. Akinyele Lovelace, D.O.Westfield, MA 010851104079128
  13. Alexandra Lovett, M.D.Cambridge, MA 021381841639804
  14. Jacob LovinDanvers, MA 019231932849981
  15. Justin Lowenthal, MD, PHDBoston, MA 021151891185617
  16. Beth Lown, MDCambridge, MA 021381780640235
  17. Emily Lowry, M.D.Woburn, MA 018011265428411
  18. Amanda Lu, MD, PHDBoston, MA 021151902369176
  19. Hairong Lu, M.D.Burlington, MA 018051629422548
  20. Hua Lu, MD PHDBrookline, MA 024461043288749
  21. Jenny Lu, MD, PHDBoston, MA 021151780389312
  22. Jim LuBoston, MA 021151750033056
  23. Jonathan LuBoston, MA 022151043447279
  24. Mengyun Lu, MDBoston, MA 021111982227955
  25. Ping Lu, M.D., PH.D.Weymouth, MA 021901497252290
  26. Shan Lu, M.D.Worcester, MA 016551265413132
  27. Jing Luan, M.D.Cambridge, MA 021381467653998
  28. Richard Lubens, MDBrockton, MA 023011730174392
  29. Andrew Lubin, MDWinchester, MA 018901922217728
  30. Larissa LucasCambridge, MA 021391205999752
  31. Peter Lucas, MDWorcester, MA 016021780601260
  32. Susan Lucas, MDAyer, MA 014321497744676
  33. William LucasNew Bedford, MA 027401417924218
  34. Emma Lucey, MDChestnut Hill, MA 024671831838937
  35. Gina Luciano, MDPalmer, MA 010691184839342
  36. David Lucier, M.D, M.B.ABoston, MA 021141467747121
  37. Kaysia Ludford, M.D.Boston, MA 021151891108221
  38. Calvin Ludwig, MDBoston, MA 021111407541485
  39. Robert Ludwig, MDFoxboro, MA 020351558368480
  40. Shih-Ho Lue, MDFramingham, MA 017021073823761
  41. David Luftman, M.D., M.P.H.Brookline, MA 024451063779056
  42. Christine Lui, M.D.Boston, MA 021161568428407
  43. Danitza Lukac, MDBoston, MA 021141861122624
  44. Kenneth Luna, D.O.Boston, MA 021091033183298
  45. Maria Alejandra Luna Cuadros, MDBoston, MA 021241508437492
  46. Donald Lundgren, M.D.Amherst, MA 010021205957354
  47. Carolyn Lundy, M.D.Marlborough, MA 017521194765636
  48. Gloria Lunghar, MDMedford, MA 021551235401837
  49. Jing Luo, MDBoston, MA 021151841589041
  50. Emily Lupez, MDBoston, MA 021181780143057

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.