NPPES file of Aug 9, 2026

Pediatric Gastroenterology Physician in Massachusetts

135 NPPES records list pediatric gastroenterology physician with a practice address in Massachusetts, 1.9 per 100,000 residents, the 2nd highest rate of 50. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0206X · 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, 112

  1. Boston112
  2. Worcester13
  3. Springfield4
  4. Waltham3
  5. Brookline1

Pediatric Gastroenterology Physician records in Massachusetts

  1. Sabina Sabharwal, M.D.Boston, MA 021151407982150
  2. Mark Salvatore, MDBoston, MA 021141710977889
  3. Wael Sayej, M.D.Springfield, MA 011071467691329
  4. Thomas Shields, MDWorcester, MA 016551770745135
  5. Sarah Sidhu, M.D.Wellesley, MA 024811558706606
  6. Desiree Sierra Velez, MDBoston, MA 021151558762203
  7. Jared Silverstein, M.D.Boston, MA 021151548462351
  8. Jocelyn Silvester, MD PHDBoston, MA 021151295169480
  9. Alexandria Speakman, DOBoston, MA 021151306305321
  10. Dennis Spencer, M.D., PH.D.Boston, MA 021151992115711
  11. Blair Streater, MDBoston, MA 021151235698549
  12. Katherine Sweeny, M.D.Boston, MA 021151063855658
  13. Erin Syverson, M.D.Boston, MA 021151366700957
  14. Margot Tang, M.D.Boston, MA 021181962664193
  15. Kate TempletonBoston, MA 021151114389038
  16. Jay Thiagarajah, MBBS, PH.DBoston, MA 021151043539794
  17. Michaela Tracy, MDBoston, MA 021151851832034
  18. Khoa Tran, M.D.Boston, MA 021111437335239
  19. Amy TurnerBoston, MA 021151487996831
  20. Menno Verhave, MDBoston, MA 021151447269287
  21. Navneet Virk Hundal, M.D.Boston, MA 021141972758068
  22. William Walker, MDBoston, MA 021141144209446
  23. John Watkins, MDBoston, MA 021151336151893
  24. Andrew Wehrman, M.D.Boston, MA 021151548536527
  25. Harland Winter, MDBoston, MA 021141699742247
  26. Anne Wolf, MDBoston, MA 021151720097579
  27. Lianna Wood, MDBoston, MA 021151417447251
  28. Allison Wu, M.D.Boston, MA 021151811381361
  29. Jessica Yasuda, MDBoston, MA 021151356768816
  30. Claire Zar-Kessler, MDBoston, MA 021141437384633
  31. Garrett Zella, MDWorcester, MA 016551164558805
  32. Yanjia ZhangBoston, MA 021181184018269
  33. Hongchao ZhouMedford, MA 021551578821237
  34. Lori Zimmerman, MDBoston, MA 021151932236387
  35. Naamah Zitomersky, MDBoston, MA 021151134254956

Source: CMS NPPES, primary taxonomy 2080P0206X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 50 per resident

  1. District of Columbia4.1
  2. Massachusetts1.9
  3. Rhode Island1.6
  4. Pennsylvania1.3
  5. 50 states and D.C.0.7

Source: CMS NPPES, primary taxonomy 2080P0206X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

55.6% of these records appear in a Medicare file, against 64.2% 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. Massachusetts55.6%
  2. United States64.2%

Pediatric Gastroenterology Physician records in Massachusetts, measured

  • In a Medicare file75 of 135 · 55.6% here, 64.2% nationally
  • In the CMS Doctors and Clinicians file67 · 49.6% here, 31.4% nationally
  • Not updated in five years or more92 · 68.1% here, 51.8% nationally
  • Median graduation year2004 · the 67 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0206X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

135 NPPES records list pediatric gastroenterology physician (2080P0206X) as their primary taxonomy with a practice address in Massachusetts: 1.9 per 100,000 residents against 0.7 nationally (50 states and D.C.). Boston has 112 of them (83%).

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. Ohio141
  2. Florida145
  3. Pennsylvania163
  4. New York182

States with a similar rate per 100,000

  1. Rhode Island1.6
  2. Missouri1.2
  3. Delaware1.1
  4. Wisconsin0.9

The largest states

  1. California264
  2. Texas190
  3. New York182
  4. Pennsylvania163
  5. Florida145

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.