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 52 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. Andrew Hoekzema, MDBoston, MA 021141912358821
  2. Peter Hoenig, M.DConcord, MA 017421801855531
  3. Nils Hoernle, M.D.Quincy, MA 021691568463990
  4. Benjamin Hoffman, MDBoston, MA 021141336899244
  5. Brian Hoffman, M.D.West Roxbury, MA 021321437110426
  6. Stephen Hoffmann, MDFramingham, MA 017021295736494
  7. Frederick Hofheinz, M.D.Bedford, MA 017301629044052
  8. Timothy Hogan, MDWest Boylston, MA 015831730409335
  9. Jessica Hohman, MD, MSC, MSCBoston, MA 022151093158032
  10. Elizabeth Hohmann, MDBoston, MA 021141881684181
  11. Barbara Holbert, MDBoston, MA 021081194715623
  12. Jonathan Holder, DO,MPHSomerville, MA 021451629166244
  13. William Holgerson, MDWellesley, MA 024811356445829
  14. Nicole Holguin, M.D.Everett, MA 021491881823169
  15. Prashantha Holla, MDShrewsbury, MA 015451174663207
  16. Suhrutha Holla, M.D.Milford, MA 017571275685794
  17. Ruth Holland, MDHyannis, MA 026011588666358
  18. Stephen Holland, M.D.Natick, MA 017601942444377
  19. Charles Holmes, MDBoston, MA 021141912982786
  20. George Holmes, M.D.Braintree, MA 021841518935642
  21. Michelle Holmes, M.D.Boston, MA 021151083741649
  22. Cristina Holt, MDMedford, MA 021551336139849
  23. Justin Holtzman, M.D.Brookline, MA 024461669769501
  24. Janet Hong, M.D.Boston, MA 021111033645882
  25. Jennifer HongBoston, MA 021141992295257
  26. Steven Hong, MDBoston, MA 022151598259210
  27. Robert Honig, MDWorcester, MA 016061386610467
  28. Patrick Hook, M.D.Worcester, MA 016061548420896
  29. Paul Hoover, M.D., PH.D.Boston, MA 021151487916060
  30. Patricia Hopkins, M.D.Weymouth, MA 021901003002312
  31. Agnieszka Hordejuk, M.DPlymouth, MA 023601912347089
  32. Dariusz Hordejuk, M.D.Plymouth, MA 023601902884331
  33. Clare Horkan, M.D.Boston, MA 022151982842514
  34. Daniel Horn, MDWaltham, MA 024531780903971
  35. Dana Hornbeak, M.D., M.P.H.Dorchester, MA 021241013232339
  36. Sean Horrigan, D.O.Worcester, MA 016051821140351
  37. Asma Hosna, MDNewburyport, MA 019501083293039
  38. Seyedeh Hosseini, MDSpringfield, MA 011091255598835
  39. Vishwas Hosur RavishankarWorcester, MA 016081255025334
  40. Lawrence Hotes, M.D.Stoughton, MA 020721710910005
  41. Amy Hou, M.D.Cambridge, MA 021381417396490
  42. Chunqiu Hou, M.D.Milton, MA 021861073740528
  43. Elizabeth Housman, M.D.Boston, MA 022151033438346
  44. Sarah Housman, M.D.Boston, MA 021141457613234
  45. Elizabeth Howard, MDWorcester, MA 016051760456586
  46. John Howard, M.D.Westport, MA 027901457311805
  47. Sandra Howard, M.D.Ayer, MA 014341487803011
  48. Sakeina Howard-WilsonWorcester, MA 016551396279279
  49. James Howe, M.D.Southboro, MA 017721467499129
  50. Thomas Howe, MDBoston, MA 021151922796390

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.