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 36 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. Lori Farnan, M.D.Chestnut Hill, MA 024671053358762
  2. Faheem Farooq, MDMilford, MA 017571891722419
  3. Colleen FarrellBoston, MA 021151811423221
  4. Elizabeth Farrell, MDBoston, MA 021141497882831
  5. Wildon Farwell, MDBoston, MA 021201679686406
  6. Shady Fattoum, M.DSouth Weymouth, MA 021901538575915
  7. Jarrod Faucher, DOWorcester, MA 016081063668432
  8. Linda Faulk, M.D.Attleboro, MA 027031790727303
  9. Robert Faust, MDBurlington, MA 018031093859407
  10. Denise Faustman, MD, PHDBoston, MA 021141194707190
  11. Andrew Fauteux, MDBoston, MA 021141437543758
  12. Nicholas Favazza, MDBoston, MA 021111942004544
  13. Stephanie Favreau, M.D.Mansfield, MA 020481003044256
  14. Caitlin Fawcett, M.D.Boston, MA 022151073614889
  15. Andrew Fay, MDSouth Hadley, MA 010751508872359
  16. Sara Fazio, M.D.Boston, MA 022151407958820
  17. Newfens Fede, RNBoston, MA 021211063054062
  18. Nora FeeneyBoston, MA 021151134706732
  19. Susan Feeney, NPAndover, MA 018101730255019
  20. Shiri Feingold, M.D.Boston, MA 021141013237486
  21. Paul Feiss, M.D.Medford, MA 021551336113067
  22. Harris Feldman, MDBoston, MA 022151952939621
  23. Jessica Feldman, MDCambridge, MA 021381437689635
  24. Judith Feldman, MDBurlington, MA 018051356449193
  25. Lina Feldman, MDReading, MA 018671801877634
  26. Donna Felsenstein, MDBoston, MA 021141407832991
  27. Jerry Felson, M.D.Boston, MA 021301326086612
  28. George Feltin, MDMedford, MA 021551881671527
  29. Yi FengBoston, MA 022151588158224
  30. William Fenney, MDHyannis, MA 026011366454696
  31. Gregory Fenton, M.D.Boston, MA 021111841272846
  32. Paul Fergus, MDWatertown, MA 024721356336200
  33. Robert Ferguson, M.D.Millbury, MA 015271609857135
  34. Mina Ferig, MDSpringfield, MA 011071215388186
  35. Mauricio Fernandes, M.D.Cambridge, MA 021381710770318
  36. Alina Fernandez, MDWest Bridgewater, MA 023791578557724
  37. Leonor Fernandez, M.D.Boston, MA 021151316049737
  38. Rushika Fernandopulle, MDBoston, MA 021141437130473
  39. John Ferrante, M.D.Milton, MA 021861649269523
  40. Marybeth Ferrante, MDCambridge, MA 021381194795781
  41. Brian FerraraMilford, MA 017571083057053
  42. Mark Ferreira, M.D., PH.D.Boston, MA 021151518316603
  43. Grace Ferri, MDBoston, MA 021181124765094
  44. Timothy Ferris, MDBoston, MA 021141447240189
  45. Joleigh FerroWorcester, MA 016051760019848
  46. Elizabeth FerzaccaWorcester, MA 016551841780350
  47. Victor Ferzoco, MDHyde Park, MA 021361396730396
  48. Nathaniel Fessehaie, MDBoston, MA 021151114506888
  49. Jacqueline Feuer, MDNeedham, MA 024921093705626
  50. Alla Feygina, MDEast Falmouth, MA 025361639150469

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.