NPPES file of Aug 9, 2026

Gastroenterology Physician in Massachusetts

686 NPPES records list gastroenterology physician with a practice address in Massachusetts, 9.8 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 7 of 14.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RG0100X · 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, 280

  1. Boston280
  2. Worcester50
  3. Burlington31
  4. Springfield18
  5. Cambridge15

Gastroenterology Physician records in Massachusetts

  1. Susan Kelly, M.D.Boston, MA 022151023044963
  2. Peter Kelsey, MDBoston, MA 021141255313383
  3. Michael Kelso, MDCambridge, MA 021391679868277
  4. James Kemp, MDMedford, MA 021551215030291
  5. Christopher Kenney, M.D.Norwell, MA 020611497780548
  6. Thomas Kenney, MDNorwell, MA 020611851328959
  7. Adnan Khan, MDBoston, MA 021181952807794
  8. Amirah Khan, M.D.Brockton, MA 023021265775225
  9. Tanya KhanConcord, MA 017421427582741
  10. Kinnari Kher, M.D.Somerville, MA 021441821102237
  11. Khaldoon Khirfan, MBBSBurlington, MA 018051881908119
  12. Kyung Kim, M.D.Worcester, MA 016081619974656
  13. Walter Kim, M.D, PH.D.Boston, MA 021151831484708
  14. R. Klingenstein, M.D.Newton, MA 024621568439990
  15. Bharati Kochar, M.D.Boston, MA 021141346531209
  16. Heidi Kolek, MDChicopee, MA 010201881667517
  17. Norma Kolifrath, N.P.Chelmsford, MA 018241346209251
  18. Joshua Raphael Korzenik, M.D.Boston, MA 021151336194752
  19. Lewis Kramer, M.D.Peabody, MA 019601114056009
  20. Kyle Kreitman, DOWorcester, MA 016551770938185
  21. Peter Krims, M.D.Acton, MA 017201962400366
  22. Kumar Krishnan, MDBoston, MA 021141609085240
  23. Sandeep Krishnan, M.D.Brighton, MA 021351245497312
  24. Anita Krishnarao, M.D.Worcester, MA 016551114365921
  25. Jonathan Kuang, MBBSBoston, MA 021141710762265
  26. Navin Kumar, M.D.Boston, MA 021151700106697
  27. Timothy Kuo, MDBoston, MA 021151396795860
  28. Deepak Lakra, M.D.Boston, MA 022151407211923
  29. John Lamont, MDBoston, MA 022151316903735
  30. Steven Landau, MDWellesley Hills, MA 024811083826515
  31. Cindy Law, MDBoston, MA 021141649903634
  32. Dennis Lee, MDNewton, MA 024621184683617
  33. Linda Lee, MDBoston, MA 021151255315214
  34. Young-Mee Lee, MDBoston, MA 021111679681399
  35. Daniel Leffler, MDBoston, MA 022151144368697
  36. Anthony Lembo, M.D.Boston, MA 022151407826266
  37. Paul Lesser, MDCambridge, MA 021391801963806
  38. Anna LeszczynskiBurlington, MA 018051942566732
  39. Christopher Leung, M.D.Stoneham, MA 021801538257464
  40. John Leung, M.D.Boston, MA 021111447328711
  41. John Levey, M.D.Worcester, MA 016551003890914
  42. Harold Levine, M.D.Hyannis, MA 026011750321295
  43. Jonathan Levine, MDBoston, MA 021151497812101
  44. Robert Levine, MDBoston, MA 021181174566616
  45. Benjamin Levitzky, M.D.Newton, MA 024621457392714
  46. Edward Lew, M.D., M.P.H.Jamaica Plain, MA 021301376526459
  47. Brian Li, MDBoston, MA 021151972097624
  48. Chiang Li, MDNorwood, MA 020621467616029
  49. Xing Li, MDBoston, MA 021141073001707
  50. Eric Libby, M.D.Winchester, MA 018901922048016

Source: CMS NPPES, primary taxonomy 207RG0100X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 51 per resident

  1. District of Columbia13.1
  2. Massachusetts9.8
  3. Connecticut9.3
  4. New York9.2
  5. 50 states and D.C.6.2

Source: CMS NPPES, primary taxonomy 207RG0100X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

79.7% of these records appear in a Medicare file, against 84.4% 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. Massachusetts79.7%
  2. United States84.4%

Gastroenterology Physician records in Massachusetts, measured

  • In a Medicare file547 of 686 · 79.7% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file491 · 71.6% here, 73.7% nationally
  • Not updated in five years or more450 · 65.6% here, 55.6% nationally
  • Median graduation year2004 · the 491 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RG0100X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

686 NPPES records list gastroenterology physician (207RG0100X) as their primary taxonomy with a practice address in Massachusetts: 9.8 per 100,000 residents against 6.2 nationally (50 states and D.C.). Boston has 280 of them (41%).

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. North Carolina681
  2. New Jersey735
  3. Ohio741
  4. Michigan550

States with a similar rate per 100,000

  1. Connecticut9.3
  2. New York9.2
  3. Rhode Island8.8
  4. Maryland8.2

The largest states

  1. California2,140
  2. New York1,797
  3. Florida1,513
  4. Texas1,478
  5. Pennsylvania1,049

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.