NPPES file of Aug 9, 2026

Dermatology Physician in Massachusetts

627 NPPES records list dermatology physician with a practice address in Massachusetts, 9 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 13 of 13.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207N00000X · 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, 266

  1. Boston266
  2. Worcester35
  3. Wellesley26
  4. Burlington20
  5. Beverly15

Dermatology Physician records in Massachusetts

  1. Emily West, MDSpringfield, MA 011071912326265
  2. Katherine White, MDNorthampton, MA 010601043326937
  3. Sarah Whitley, MDWorcester, MA 016051316383730
  4. Caroline Wilkel, M.D.Fall River, MA 027201215917299
  5. Christy Williams, MDWestford, MA 018861467442632
  6. Emily Wise, MDWellesley, MA 024811487882270
  7. Karen Wiss, M.D.Worcester, MA 016051356325567
  8. Deon Wolpowitz, MDWellesley Hills, MA 024811396753307
  9. Adam Wulkan, M.D.Burlington, MA 018031174865901
  10. Richard Wyatt, MDAmherst, MA 010021568447613
  11. Fan Di XiaBoston, MA 021141992294706
  12. Michelle XiongBoston, MA 021111881397925
  13. Haoming XuWatertown, MA 024721134623549
  14. Mina Yaar, MDNorwood, MA 020621457342495
  15. Daisy Yan, MDBoston, MA 021181134798572
  16. Arianna Yanes, MDBoston, MA 021141225402100
  17. Catherine Yang, MDBoston, MA 021151265794796
  18. Chao Yang, MDBoston, MA 021151245640705
  19. Fei-Shiuann Yang, M.D.C.M.Boston, MA 021141942273016
  20. Shelley Yang, M.D.Concord, MA 017421033559646
  21. Xiao Yang, MDBoston, MA 022151891010773
  22. Joseph Yardman-Frank, MD, MPHBoston, MA 022151942887591
  23. Mariko Yasuda, M.D.Worcester, MA 016051073741385
  24. Lawrence Yellen, MDFramingham, MA 017011386737195
  25. Peter Young, MDQuincy, MA 021691043229768
  26. Zizi Yu, MDWellesley, MA 024811760060107
  27. Omid Zahedi Niaki, MDBoston, MA 021151326691908

Source: CMS NPPES, primary taxonomy 207N00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 51 per resident

  1. District of Columbia10.9
  2. Massachusetts9.0
  3. Connecticut7.0
  4. Rhode Island6.7
  5. 50 states and D.C.4.7

Source: CMS NPPES, primary taxonomy 207N00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

82.9% of these records appear in a Medicare file, against 84.6% 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. Massachusetts82.9%
  2. United States84.6%

Dermatology Physician records in Massachusetts, measured

  • In a Medicare file520 of 627 · 82.9% here, 84.6% nationally
  • In the CMS Doctors and Clinicians file445 · 71.0% here, 72.6% nationally
  • Not updated in five years or more363 · 57.9% here, 54.0% nationally
  • Median graduation year2008 · the 445 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207N00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

627 NPPES records list dermatology physician (207N00000X) as their primary taxonomy with a practice address in Massachusetts: 9 per 100,000 residents against 4.7 nationally (50 states and D.C.). Boston has 266 of them (42%).

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. Illinois647
  2. Pennsylvania681
  3. North Carolina507
  4. Ohio507

States with a similar rate per 100,000

  1. District of Columbia10.9
  2. Connecticut7.0
  3. Rhode Island6.7
  4. New Hampshire6.3

The largest states

  1. California2,083
  2. Florida1,213
  3. New York1,211
  4. Texas1,172
  5. Pennsylvania681

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.