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 49 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. Christine Harrington, M.D.Wellesley, MA 024811306951363
  2. Joseph Harrington, MDFramingham, MA 017021346204419
  3. Lesley Harrington, MDAmherst, MA 010021326002833
  4. Ryan Harrington, M.D.Boston, MA 021241205285558
  5. Shawn HarringtonSwansea, MA 027771942169438
  6. Benjamin HarrisNewton Lower Falls, MA 024621366822116
  7. Bradley Harris, M.D.Bellingham, MA 020191326061870
  8. Christopher Harris, M.D.Newburyport, MA 019501912901604
  9. Emily Harris, MDCambridge, MA 021391386220390
  10. Kenneth Harris, M.D.Milton, MA 021861790710887
  11. Scott Harris, MDBoston, MA 022151871581694
  12. Tracy Harris, MDNorth Andover, MA 018451396848719
  13. Laura Harrison, MDBoston, MA 021181215516711
  14. Sarah Harrison, MDBoston, MA 021141417659178
  15. Amanda Harrow, BSN, RN, MSN, FNP-BCWellesley, MA 024811225438716
  16. Jacqueline Hart, MDNeedham, MA 024921104240985
  17. Francis Harte, M.D.Peabody, MA 019601992881643
  18. Phillip Hartfield, MDBoston, MA 021141063152049
  19. Harry Hartford, M.D.Pittsfield, MA 012011669470456
  20. John Harthorne, MDBoston, MA 021141336103977
  21. Martin Hartkopf, MDFramingham, MA 017021851821284
  22. Robert Hartley, MDJamaica Plain, MA 021301740248251
  23. Margot HartunianLexington, MA 024211154312791
  24. Imran Hasan, M.D.Burlington, MA 018031225394810
  25. Omar Hasan, MDRoxbury Crossing, MA 021201124072780
  26. Asude Hasanoglu, MDDorchester, MA 021241134816796
  27. Samaher HashimWorcester, MA 016081295160620
  28. Zeba Hashmath, MDWorcester, MA 016081700309622
  29. Tariq Hashmi, M.D.Salem, MA 019701336586775
  30. Delvina Hasimja Saraqini, M.DBoston, MA 021111871701094
  31. George Hasiotis, MDBoston, MA 021101386631844
  32. Edward Hassan, M.D.East Bridgewater, MA 023331396784385
  33. Nausheen Hassan, M.D.Chelmsford, MA 018241114108966
  34. Shahzad HassanBoston, MA 021181811396039
  35. Shehnaz Hassan, M.D.Worcester, MA 016051902062128
  36. Stephanie Hastings, DOCambridge, MA 021391467911677
  37. Susan Hata, MDBoston, MA 022151184771065
  38. Edward Hatchigian, MDBoston, MA 022151255430740
  39. Charles Hatem, MDCambridge, MA 021381528065877
  40. David Hatem, M.D.Northborough, MA 015321174506687
  41. Kelly Hathorn, M.D.Boston, MA 021151699188953
  42. Mariana Hattar, MDBoston, MA 021351437880986
  43. Eric Hatton, MDConcord, MA 017421841287281
  44. Wai Fung Hau, MDWorcester, MA 016051093455420
  45. Sean HaugheyBoston, MA 021111144807710
  46. Miriam Haverkamp, M.D.Boston, MA 021111073763934
  47. Nathan Hawkey, M.D.Boston, MA 022151528415304
  48. Thomas Hawkins, M.D.Boston, MA 022151487691077
  49. Mary Hawthorne, M.D.Worcester, MA 016051013990787
  50. Alexander Hay, MDBoston, MA 021111740083161

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.