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 113 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. William Shay, MDProvincetown, MA 026571033198627
  2. Shahab Shayesteh, MDConcord, MA 017421083291603
  3. Adam Shaywitz, MD PHDBelmont, MA 024781821079179
  4. Daniel Shea, M.D.Gloucester, MA 019301497842793
  5. Daniel Shea, M.D.New Bedford, MA 027401477503241
  6. Maryann Shea, M.D.Auburn, MA 015011205817715
  7. Joshua Sheehan, MDWinchester, MA 018901447425467
  8. Michael Sheehy, MDLeominster, MA 014531659348530
  9. Aisha Sheerin, MDNorth Attleboro, MA 027601588184881
  10. Mary Sheffield, M.D.Adams, MA 012471437173465
  11. Lubna SheikhBrockton, MA 023011942398920
  12. Muna Sheikh, M.D.Dorchester, MA 021251689029860
  13. Sana Sheikh, MDBoston, MA 021351518293968
  14. Waseema Sheikh, M.D. & M.P.HWeston, MA 024931427238443
  15. Khaled Sheikh Qasem, M.D.Worcester, MA 016051437342276
  16. David Shein, M.D.Wellesley Hills, MA 024811548218712
  17. Raj Shekhar, MDGreat Barrington, MA 012301629652706
  18. Sarah Shelby Etherton, M.D.Boston, MA 022151851566178
  19. Joel Shelkrot, M.D.Beverly, MA 019151023139185
  20. Yue Shen, MDLeominster, MA 014531699905653
  21. David Shenker, M.D.Ware, MA 010821538250873
  22. Aaron Shepard, D.O.Milford, MA 017571861547762
  23. Fitzgerald Shepherd, M.D.Springfield, MA 011071629485016
  24. Pooja Sherchan, M.D.Springfield, MA 011991225068018
  25. Jason Sherer, M.D.Boston, MA 021181770946352
  26. Andrew SheridanWorcester, MA 016051962080499
  27. Akil Sherif, MDWorcester, MA 016081609362680
  28. Ralph Sherman, MDFramingham, MA 017021669548996
  29. Stephanie Sherman, MDBoston, MA 021141629363312
  30. Karen Sherritt, M.D.Chestnut Hill, MA 024671437191079
  31. Tisamarie Sherry, M.D., PH.D.Boston, MA 021151467866715
  32. Manju Sheth, MDDanvers, MA 019231790731487
  33. Mala Shetty, MDPittsfield, MA 012011851461255
  34. Elaine Shiang, MDCambridge, MA 021391699754978
  35. Shahrzad Shidfar, M.D.Worcester, MA 016051235112202
  36. Deborah Shih, M.D.Beverly, MA 019151679512768
  37. Juliann Shih, MDBoston, MA 021181215513601
  38. Robert Shih, MDHaverhill, MA 018301760589147
  39. Donghoon Shin, MDFramingham, MA 017021275210031
  40. Hyun Shin, MD,SCD,MS,MPHJamaica Plain, MA 021301124282835
  41. Amy Ship, MDBoston, MA 022151972523397
  42. Svetlana Shkuratov, M.D.Braintree, MA 021841255347597
  43. Debbie Shlain-Frink, M.DBrookline, MA 024461558682658
  44. Ilia Shlimak, MDActon, MA 017201871554964
  45. Lester Shoap, MDChestnut Hill, MA 024671730158684
  46. Mary Shoemaker, M.D.Canton, MA 020211912121476
  47. Jahansouz Shokri, M.D.Watertown, MA 024721710980230
  48. Daniel ShonibareBoston, MA 021141851031686
  49. Rose Shorter, MDWareham, MA 025711861430852
  50. David Shottland, MDBoston, MA 021181972965259

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.