NPPES file of Aug 9, 2026

Pediatric Rheumatology Physician in Massachusetts

25 NPPES records list pediatric rheumatology physician with a practice address in Massachusetts, 0.4 per 100,000 residents, the 4th highest rate of 46. Boston and Salem have the most; each record links to the provider's NPI and the Massachusetts license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0216X · 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, 23

  1. Boston23
  2. Salem1
  3. Springfield1

Pediatric Rheumatology Physician records in Massachusetts

  1. Elizabeth Ang, MDBoston, MA 021151881950764
  2. Arturo Borzutzky Schachter, M.D.Boston, MA 021151730349903
  3. Daniel Brown, M.D.Boston, MA 021151043456510
  4. Maria Bryant, MDBoston, MA 021151225654148
  5. Joyce Chang, M.D.Boston, MA 021151437412756
  6. Margaret Chang, M.D., PH.D.Boston, MA 021151194067678
  7. Fatma Dedeoglu, M.D.Boston, MA 021151316053184
  8. Olha HalyabarBoston, MA 021151881952547
  9. Melissa Hazen, M.D.Boston, MA 021151417170713
  10. Lauren Henderson, MDBoston, MA 021151790945764
  11. Liyoung Kim, MDBoston, MA 021151598227266
  12. Pui Lee, M.D.Boston, MA 021151093030363
  13. Mindy Lo, M.D., PH.D.Boston, MA 021151528226271
  14. Esra Meidan, M.D.Boston, MA 021151629398615
  15. Laurie Miller, MDBoston, MA 021111578671434
  16. Marc Natter, MDBoston, MA 021141306966320
  17. Megan Perron, M.D.Boston, MA 021151346773561
  18. Jordan Roberts, M.D.Boston, MA 021151780045609
  19. Holly Rothermel, MDBoston, MA 021141215913926
  20. Deborah Rothman, MDSpringfield, MA 011041306801394
  21. Jocelyn Sicat, M.D.Salem, MA 019701497717763
  22. Mary Beth Son, M.D.Boston, MA 021151972665909
  23. Irit Tirosh, M.D.Boston, MA 021151235453903
  24. Holly Wobma, MD, PHDBoston, MA 021151871052076
  25. Yujuan Zhang, M.D.Boston, MA 021111629388467

Source: CMS NPPES, primary taxonomy 2080P0216X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 4 of 46 per resident

  1. District of Columbia1.6
  2. Missouri0.5
  3. Ohio0.4
  4. Massachusetts0.4
  5. Washington0.3
  6. Vermont0.3
  7. 50 states and D.C.0.2

Source: CMS NPPES, primary taxonomy 2080P0216X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

44.0% of these records appear in a Medicare file, against 48.9% 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. Massachusetts44.0%
  2. United States48.9%

Pediatric Rheumatology Physician records in Massachusetts, measured

  • In a Medicare file11 of 25 · 44.0% here, 48.9% nationally
  • In the CMS Doctors and Clinicians file10 · 40.0% here, 24.1% nationally
  • Not updated in five years or more19 · 76.0% here, 53.1% nationally
  • Median graduation year2005 · the 10 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0216X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

25 NPPES records list pediatric rheumatology physician (2080P0216X) as their primary taxonomy with a practice address in Massachusetts: 0.4 per 100,000 residents against 0.2 nationally (50 states and D.C.). Boston has 23 of them (92%).

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. Washington27
  2. Florida22
  3. Missouri29
  4. Michigan18

States with a similar rate per 100,000

  1. Pennsylvania0.3
  2. Colorado0.3
  3. Ohio0.4
  4. New York0.3

The largest states

  1. California62
  2. Ohio53
  3. New York50
  4. Texas40
  5. Pennsylvania36

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.