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 76 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. Shah MahmudBurlington, MA 018051770278731
  2. James Mahoney, MD CMHyde Park, MA 021361114080116
  3. Lindsey Mahoney, MDBoston, MA 021181922599299
  4. Sharon Mahoney, MDHyannis, MA 026011205974722
  5. Melissa Mahr, M.D.Hopkinton, MA 017481164441705
  6. Lilian Mahrokhian, MDChestnut Hill, MA 024671679568679
  7. Bishal Mainali, MDArlington, MA 024741700936747
  8. Helen Majchrowski, F.N.P.-CPittsfield, MA 012011003878273
  9. Akindele Majekodunmi, M.D., M.B.ANorth Andover, MA 018451447411764
  10. Nathalie Majorek, M.D.Peabody, MA 019601609857580
  11. Harvey Makadon, M.D.Boston, MA 022151558308254
  12. Tony Makdisi, M.D.Pittsfield, MA 012011699733618
  13. Hideo Makimura, M.D., PH.D.Boston, MA 021141063444594
  14. Deborah Makinde, MDBrockton, MA 023021912642513
  15. Alexey Makogonov, MDBeverly, MA 019151417944877
  16. Michael Malak, MDLawrence, MA 018411841842994
  17. Kathryn Malakorn-Lew, MDBoston, MA 021151780639401
  18. Stephen Malaquias, MDSouth Yarmouth, MA 026641285602771
  19. Lauren Maldonado, MD, MPHBoston, MA 021141124655840
  20. Julian Maldonado-Alers, MDBoston, MA 021181922689157
  21. Patrick Malecha, MDBoston, MA 021141013447267
  22. Siamak Malek, M.D.Boston, MA 021141174716286
  23. Rajeev Malhotra, M.D.Boston, MA 021141023123080
  24. Faisal Malik, MDNorth Andover, MA 018451912106691
  25. Hina Malik, MDBoston, MA 021151235388075
  26. Ishita Malik, MDChicopee, MA 010201629624184
  27. Neha Malik, M.D.Arlington, MA 024741306081963
  28. Lauren Malishchak, MDBoston, MA 021151801386008
  29. Scott Malkin, MDCambridge, MA 021391104090323
  30. Michael Malkowski, MDBrighton, MA 021351295380079
  31. Carl MalmBoston, MA 021141992233878
  32. John Malolepszy, M.D.Peabody, MA 019601508993163
  33. Erin Malone, MDBurlington, MA 018031093812828
  34. Robert Maloney, M.D.Spencer, MA 015621790705432
  35. Nicole Malouf, MDBoston, MA 021111104089341
  36. Anastasia Maltseva, MDDorchester, MA 021241073166922
  37. Henry Maltz, M.D.Boston, MA 021161376580076
  38. Suresh Mamidala, M.DSouthbridge, MA 015501437394350
  39. Monica Manandhar, MDWaltham, MA 024511639157910
  40. Anna Manatis, M.D.North Weymouth, MA 021911275584880
  41. Gertrude Manchester, M.D.Worcester, MA 016551912980681
  42. Madhavi ManchikalapatiWorcester, MA 016551851625107
  43. Carmela Mancini, DO, MPHMarblehead, MA 019451750524526
  44. Burton Mandel, M.D.Burlington, MA 018051336282805
  45. Vasudev Mandyam, MDBoston, MA 021181366602203
  46. Ethan Manelin, MDBoston, MA 021181790363943
  47. Sheetal ManerkarPittsfield, MA 012011346979150
  48. Ilia Manevich, M.D.Chelmsford, MA 018241144551102
  49. Aparna Mani, MD, PHDBoston, MA 021141104086602
  50. Nandini Mani, M.D.Revere, MA 021511851303242

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.