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 14 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. Paul Black, M.D.Boston, MA 021181871618678
  2. Richard Black, MDBraintree, MA 021841669473955
  3. Michael Blackman, MDPittsfield, MA 012011558329177
  4. Adam Blacksin, MDTurners Falls, MA 013761811983810
  5. Noel Blagg, M.D.Pittsfield, MA 012011952394355
  6. Jerry Blaine, M.D.Burlington, MA 018051083716716
  7. Heidi Blake, M.D.Boston, MA 022151730347121
  8. Gary Blanchard, M.D.Worcester, MA 016081104029826
  9. Brian Blanchette, MDWhitman, MA 023821821071861
  10. Christopher BlancoBoston, MA 021111871298687
  11. Jesus Blanco, M.D.Fitchburg, MA 014201275590473
  12. June Blanco, M.D.Shrewsbury, MA 015451548242787
  13. Paul Blando, M.D.Brookline, MA 024461063451862
  14. Arnold Blank, MDMalden, MA 021481659318459
  15. Susan Elizabeth Blankenship, M.D.Lexington, MA 024201588603575
  16. Jessamyn Blau, MDSomerville, MA 021451376960690
  17. William Blazek, M.D.Boston, MA 021181659434561
  18. Deborah Blazey-Martin, M.D.Worcester, MA 016551952343329
  19. Cameron Blazoski, MDBoston, MA 021141497447361
  20. Halward Blegen, MDSagamore Beach, MA 025621134121502
  21. Dan Blendea, MD, PHDBoston, MA 021141487827598
  22. Naira Blenheim, MDBoston, MA 021111649020801
  23. Stuart BlessNeedham, MA 024921740350826
  24. Pengwynne Blevins, M.D.East Boston, MA 021281316925795
  25. Nathalie Bloch, MDCambridge, MA 021381730372103
  26. Jason Block, MDBoston, MA 021151801823620
  27. David Blom, MDDedham, MA 020261659388718
  28. Allison Bloom, MDBoston, MA 021151558921825
  29. Allyson Bloom, M.D.Boston, MA 021181245367689
  30. Brian Bloom, MDStoughton, MA 020721164403580
  31. Claire Bloom, MDBoston, MA 021141063486207
  32. Sam Bloom, DOMilford, MA 017571972063311
  33. Seth Bloom, M.D., PH.D.Boston, MA 021141992069926
  34. Kimberly Bloom-Feshbach, MDBoston, MA 021151225441413
  35. Tzvi Bluestone, M.D.Milford, MA 017571891981734
  36. Justine Blum, MDBoston, MA 022151245626795
  37. Jonathan Blumberg, MDBrookline, MA 024461609881317
  38. David Blumenthal, MDBoston, MA 021141982685392
  39. Karen Blumenthal, MDBoston, MA 021141922362482
  40. Grace Bobkowski, MDNewton, MA 024621932668183
  41. Lisa Bocelli, D.O.Worcester, MA 016551518016344
  42. Bruno Bockorny, M.D.Boston, MA 022151376850123
  43. Srinivas Bodapati, MDBrockton, MA 023011841465655
  44. Cynthia Boddie-Willis, MDMattapan, MA 021261881634947
  45. Magdalena Boelsterl, MD MPHWorcester, MA 016081831359819
  46. Jennifer Bogdanovitch, MDMedfield, MA 020521427288901
  47. Rhea BohraWorcester, MA 016081831878396
  48. Alla Bolkhovsky, M.D.Framingham, MA 017011164457099
  49. Sudha Bolla, M.D.Stoneham, MA 021801861507915
  50. Pratyusha Bollimunta, MDSpringfield, MA 011071508232679

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.