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 135 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. Alexander Yeo, MDBoston, MA 021181588292114
  2. Jean Yeung, M.D., M.SC.Chestnut Hill, MA 024671811018971
  3. Melissa Yeung, MDBoston, MA 021151376611210
  4. Marcel Yibirin, MDBoston, MA 021181164098117
  5. Christie Yie, DOWorcester, MA 016051053933242
  6. Bera Yildiz, M.D.Boston, MA 021351821841941
  7. Susie Yim Yeh, M.D.Boston, MA 021151154355808
  8. Philip Yin, MD/PHDSomerville, MA 021441073489555
  9. Ruochen Ying, MDBoston, MA 021141194302240
  10. Patty Yoffe, M.D.Boston, MA 021091972561504
  11. Nicholas YooBoston, MA 021111346942646
  12. Steven Yoo, D.O.Westborough, MA 015811669736872
  13. Tae Kyung Yoo, MDFramingham, MA 017021902477334
  14. Candan Yorgancioglu, M.D.Medford, MA 021551306804901
  15. Julia Yoshida, MDBurlington, MA 018051821197245
  16. Jacqueline You, MDBoston, MA 021151598392318
  17. Jennifer YounBoston, MA 021111629656657
  18. Andrea Young, MDChestnut Hill, MA 024671619979820
  19. Christine Young, MDLawrence, MA 018431558452367
  20. Edwin Young, D.O.Auburn, MA 015011437130366
  21. James Young, MD, PHDBoston, MA 021141386957975
  22. Janet Young, MDBurlington, MA 018031841501814
  23. M. Donna Younger, M.D.Boston, MA 022151821037813
  24. Neda Yousif, MDRevere, MA 021511447231568
  25. Alexander Yu, MDBoston, MA 021141780946285
  26. Catherine Yu, M.D.Boston, MA 021131548228455
  27. Cindy Yu, M.D.Boston, MA 021141134355720
  28. Jing Yu, MDPeabody, MA 019601598711285
  29. Minjia YuCambridge, MA 021381922538479
  30. Yiding Yu, M.D.Boston, MA 022151225399066
  31. Zhongmo Yu, M.D.Chicopee, MA 010201497718407
  32. Alberto Yu-Wong, M.D.Watertown, MA 024721952396624
  33. Vincent Yuan, MDFramingham, MA 017021346347598
  34. Vladimir Yufit, M.D.Fall River, MA 027201801988704
  35. David Yuh, M.D.Boston, MA 021181336376680
  36. Gerald Yukevich, M.D.Oak Bluffs, MA 025571992873566
  37. Nargiza Yuldasheva, M.D.Worcester, MA 016051225264021
  38. Vivienne Yumasi, M.D.Winchester, MA 018901528242203
  39. Earl Yunes, M.D.Needham, MA 024921366554032
  40. Lily Yung, MDNo Quincy, MA 021711356319065
  41. Gregory Yungtum, MDBoston, MA 021141134786056
  42. Robin Yurkevicz, MDWorcester, MA 016051578547899
  43. Mark Yurkofsky, M.D.Boston, MA 022151043268964
  44. Natalia Yurkovetsky, MDReading, MA 018671750394581
  45. Alexandra Yurkovic, MDBoston, MA 021181851611701
  46. Katherine Yutangco, M.D.Fall River, MA 027201447241518
  47. Khalid Zaalook, M.D.Taunton, MA 027801194909879
  48. Geraldine Zabik, M.D.Newton Lower Falls, MA 024621063594828
  49. Alice Zacarian, M.D.Waltham, MA 024521871580597
  50. Norma Zack, M.D.Boston, MA 021181720100894

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.