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 98 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. Maria Ponsillo, M.D.Waltham, MA 024511396850442
  2. Bryan Poole, MDHaverhill, MA 018301902269855
  3. Alan Poon, MD MSCBoston, MA 021351891954194
  4. Philip Poorvu, M.D.Boston, MA 021151154683779
  5. Irina Popescu, MDLynn, MA 019041841246758
  6. David Popkin, MDWest Springfield, MA 010891720099351
  7. Joel Popkin, MDWorcester, MA 016051437127719
  8. Aleksandra PopovicBoston, MA 021151326630740
  9. Barry PoretTurners Falls, MA 013761689735185
  10. Jenna PortBoston, MA 021111992407308
  11. Jacqueline PortenyBoston, MA 021111992591648
  12. Ralph Porter, M.D.West Harwich, MA 026711386869741
  13. Florence Porterfield, MDBoston, MA 021141538745583
  14. Gary Portnay, M.DAndover, MA 018101346289345
  15. Roy Poses, M.D.Taunton, MA 027801336241306
  16. Diana Post, MDJamaica Plain, MA 021301700876356
  17. Kathryn Post, M.D.Worcester, MA 016551194045005
  18. Sarah Post, M.D.Boston, MA 022151679911135
  19. Michael PostowBoston, MA 021151487853594
  20. Aubrey Pothier, M.D.New Bedford, MA 027401972603264
  21. Andrew Potler, DOGt Barrington, MA 012301427149798
  22. Jennifer Potter, MDBoston, MA 022151093888364
  23. Christian Potter-Kablotsky, MDHudson, MA 017491912967613
  24. Earl Potts, MDN Dartmouth, MA 027471679560791
  25. John Potts, MDBoston, MA 021141811970262
  26. Eric Pound, M.D.Boston, MA 021181164696092
  27. Matthew Pouw, MDNewton, MA 024621760973168
  28. Brian Powers, MDBoston, MA 021151679002935
  29. Daniel Powers, D.O.North Reading, MA 018641568461028
  30. Francis Powers, M.D.Southbridge, MA 015501811905516
  31. Linda Powers, MDCambridge, MA 021381518967785
  32. Robin Powers, MDLongmeadow, MA 011061558378257
  33. Kathleen Powis, MDBoston, MA 021141619967783
  34. Mark Poznansky, MD PHDBoston, MA 021141265509889
  35. Ramya Prabhakar, M.D.Lowell, MA 018541194751396
  36. Mamatha Prabhakara, M.D.Brockton, MA 023011225092430
  37. Sandeep Prabhu, MD, MPH, MSBoston, MA 021151437619665
  38. Sushmita Prabhu, MDWorcester, MA 016081396316493
  39. Jithu Pradeep, MDWorcester, MA 016051508360132
  40. Kavitha Prakash, MDCambridge, MA 021391528036084
  41. Preeti Prakash, MDBoston, MA 021141164982310
  42. Renu Prakash, MDBrockton, MA 023011033104674
  43. Vedatrayee Pramanik, MDSpringfield, MA 011071124315189
  44. Glenn Pransky, M.D.Hopkinton, MA 017481811014103
  45. Amit Prasad, MDBrockton, MA 023011669436242
  46. Nishant Prashar, MDBoston, MA 021111518532282
  47. Mark Prashker, MD, MPHBoston, MA 021181669856498
  48. Marie PratoBurlington, MA 018051679924815
  49. Barbara Prazak, M.D.Wellfleet, MA 026671720190499
  50. Joanna Preibisz, M.D.Palmer, MA 010691487666194

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.