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 37 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. Kay Ficht, M.D.Newburyport, MA 019501407964893
  2. Matthew Fickie, MDWaltham, MA 024521891897757
  3. Patrick FieldBoston, MA 021181306208996
  4. David Fields, M.D.Worcester, MA 016041538142815
  5. Douglas Fiero, M.D.Boston, MA 021181013936467
  6. Jose Figueroa, MD, MPHBoston, MA 021151154615367
  7. Andreas Filippaios, M.D.Lowell, MA 018541376958512
  8. Nicholas Fillipon, DOSpencer, MA 015621851369599
  9. Ryan Fillipon, DOSpencer, MA 015621700053451
  10. Anna Filshtinsky, M.D.Springfield, MA 011071588026306
  11. Tamar Finan, M.D.Arlington, MA 024741508972449
  12. Benjamin Fincke, M.D.Bedford, MA 017301437196128
  13. Danielle Fine, M.D.Boston, MA 021141285049130
  14. Gregg Fine, MDCambridge, MA 021381780678144
  15. Phyllis Fine, MDBoston, MA 021161932380052
  16. Steven Fine, MDWest Yarmouth, MA 026731588627897
  17. Susan Fine, MDWestborough, MA 015811639396955
  18. Lenna Finger, M.D.Revere, MA 021511770520413
  19. Diane Fingold, MDBoston, MA 021141598746430
  20. Frank Finkelstein, M.D.Cambridge, MA 021381528021425
  21. David Finn, MDBoston, MA 021141689635294
  22. Kathleen Finn, MDBoston, MA 021141346231974
  23. Darci Finocchiaro, MDBeverly, MA 019151467862797
  24. Julie Fiore, MDBoston, MA 021141043699986
  25. Madeline Fiore, M.D.Revere, MA 021511205223005
  26. Saima Firdoos, M.D.Brighton, MA 021351740621101
  27. Leigh Firn, MDCambridge, MA 021391194706507
  28. Judith Fisch, MDChelsea, MA 021501487644126
  29. Joshua Fischer, MDMarion, MA 027381497073712
  30. Melissa Fischer, M.D.Worcester, MA 016551306837653
  31. Michael Fischer, MDBoston, MA 021181871511634
  32. Guy Fish, M.D.Boston, MA 021161013955301
  33. Herrick FisherBoston, MA 021151205284908
  34. Arkady Fishman, MEDICAL DOCTORBrookline, MA 021351497872709
  35. Mark Fishman, M.D.Cambridge, MA 021391487704425
  36. Robert Fishman, DOSouth Hadley, MA 010751477669539
  37. Maryellen Fitzgerald, M.D.Boston, MA 021351275654428
  38. Amy Fitzpatrick, M.D.Boston, MA 021181558499004
  39. Kaitlin Fitzpatrick, M.D.Boston, MA 021141932557840
  40. Michael Fitzpatrick, DOWorcester, MA 016051568099778
  41. Howard Fixler, M.D.Worcester, MA 016021437132297
  42. Bethany Fixsen, MD, PHDBoston, MA 021151730933664
  43. Lourdes Flaminiano, M.D.Clinton, MA 015101861440240
  44. Erin Flanagin, M.D.Boston, MA 021111144670753
  45. Amy Flaster, M.D.Boston, MA 021151366880502
  46. Robert Flaumenhaft, M.D.Boston, MA 022151508813973
  47. Alexa Fleckenstein, M.D.Brookline, MA 024451689806283
  48. Julia FlemingBoston, MA 022151609216191
  49. Patrick Fleming, M.D.Milford, MA 017571922236389
  50. Andrew Flewwelling, MDHyannis, MA 026011396717468

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.