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 32 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. Janet Doran, MDGloucester, MA 019301265483135
  2. Heidi Doreau, N.P.Lexington, MA 024201053591644
  3. Justin Dorfman, D.O.Southborough, MA 017721053339432
  4. Nelli Dorman, MDWorcester, MA 016021568423739
  5. Philip Dormitzer, M.D.Boston, MA 021151255389979
  6. Shira Doron, M.D.Boston, MA 021111831121359
  7. Maneli Doroudian Tehrani, MDBoston, MA 022151639751159
  8. Peter Dorschner, M.D.Boston, MA 021151750770434
  9. Jean-Francois Dorval, M.D.Boston, MA 022151003937251
  10. Jerry Doshen, M.D.Braintree, MA 021841760438881
  11. Elizabeth Douglas, DOWorcester, MA 016551922685742
  12. John Doweiko, M.D.Boston, MA 022151780799585
  13. Cathy Dowen, NPWakefield, MA 018801912473521
  14. John Dowling, MDNewton, MA 024581700872330
  15. Lauren DowlingBoston, MA 021111144488719
  16. Nicholas Downing, M.D.Boston, MA 021151114309630
  17. Peter Doyle, M.D.Boston, MA 021151770573487
  18. Nancy DragoonWorcester, MA 016081285698787
  19. Milton Drake, M.D.Chelmsford, MA 018241750354700
  20. Yevgeniy Drakhlin, M.D.Taunton, MA 027801487601118
  21. Kyle DraleauSpringfield, MA 011071487115002
  22. Wayne Draper, M.D.Everett, MA 021491144318056
  23. Morris Dratch, M.D.Lexington, MA 024211760583108
  24. Nancy Drew, M.D.Quincy, MA 021691285635979
  25. Mark Drews, MDWaltham, MA 024521184693616
  26. Connie Drexler, M.D.Northborough, MA 015321417923673
  27. Daniel Driscoll, M.D.Milton, MA 021861942290853
  28. David Driscoll, DOBeverly, MA 019151992878003
  29. Edward Driscoll, M.D.Worcester, MA 016051871569756
  30. Jennifer Drummond, MDBoston, MA 021111821658709
  31. Irena Druzba-Lobsenz, M.D.Peabody, MA 019601417915554
  32. Divya Dua, M.DBoston, MA 021091609154186
  33. Anil Dubey, M.D.Salem, MA 019701528077666
  34. Joseph DubinBurlington, MA 018051003090143
  35. Jerry Dubnoff, M.D.Boston, MA 022151073586038
  36. John Dubois, M.D.Gt Barrington, MA 012301861642563
  37. Joshua Dubow, MDBoston, MA 022151710415567
  38. Nerin Duddala, M.D.Framingham, MA 017021881272052
  39. Jessica Dudley, MDBoston, MA 021151417993437
  40. Paul Dufault, M.D.Worcester, MA 016051174562177
  41. Michelle Duffelmeyer, MDAmherst, MA 010031669486395
  42. Michael Duggan, M.D.S Weymouth, MA 021901710027172
  43. Brett Dumas, MDBoston, MA 021111083118392
  44. Tara Dumont, MDNorthampton, MA 010601467515163
  45. Judy Dunal, MDSouth Weymouth, MA 021901619954757
  46. Paul Duncan, M.D.Boston, MA 021111407871551
  47. Albert Dunn, M.D.W Bridgewater, MA 023791003820176
  48. Maria DunnWorcester, MA 016051588831259
  49. William Dunn, D.O.Southbridge, MA 015501043246978
  50. Bonnie Dunne, M.DBoston, MA 022151285892075

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.