NPPES file of Aug 9, 2026

Dermatology Physician in Pennsylvania

681 NPPES records list dermatology physician with a practice address in Pennsylvania, 5.3 per 100,000 residents, the 13th highest rate of 51. Philadelphia and Pittsburgh have the most; each record links to the provider's NPI and the Pennsylvania license search. Page 14 of 14.

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).

Philadelphia has the most, 166

  1. Philadelphia166
  2. Pittsburgh58
  3. Danville24
  4. Hershey24
  5. Lancaster19

Dermatology Physician records in Pennsylvania

  1. Shannon Wiedersum, D.ODoylestown, PA 189011013396944
  2. John Wildemore, M.D.Wayne, PA 190871295712487
  3. Carolyn WillisMars, PA 160461376595215
  4. Dorota Wilson, MDLanghorne, PA 190471609821313
  5. Therese Wilson, MDIndiana, PA 157011972581858
  6. Christine Wolcott, M.D.Danville, PA 178221497191340
  7. Adam Woldow, M.D.Richboro, PA 189541750583316
  8. Jeffrey Wolff, M.D.Greensburg, PA 156011528008059
  9. Mia Woloszyn, MDEaston, PA 180451487343273
  10. Lance Wood, M.D.Camp Hill, PA 170111598923591
  11. Deirdre Wood Harper, M.D.Philadelphia, PA 191521720123789
  12. Richard Wortzel, MDPhiladelphia, PA 191041588645451
  13. Sandra Wortzel, MDPhiladelphia, PA 191041407837370
  14. Kara Yakish, MDPittsburgh, PA 152381427312248
  15. Albert Yan, M.D.Philadelphia, PA 191041780690875
  16. Sherry Yang, M.D.Philadelphia, PA 191071295024057
  17. Lusia Yi, DO, MS, FAOCDNewtown, PA 189401740424035
  18. Toby Zachian, MDBala Cynwyd, PA 190041740349778
  19. Andrea Zaenglein, MDHershey, PA 170331558324285
  20. Jennifer ZahniserNew Castle, PA 161051851566194
  21. Angela ZaladonisPhiladelphia, PA 191071144970310
  22. Daniel Zavadak, M.D.Lebanon, PA 170421598745747
  23. Michael Zaycosky, D.O.Fairview, PA 164151174789507
  24. Sharon Zellis, DOPhoenixville, PA 194601801877279
  25. Jing Zhang, M.D.Philadelphia, PA 191071396006508
  26. Junqian Zhang, MDPhiladelphia, PA 191041568996684
  27. Patricia ZhaoPhiladelphia, PA 191401235999616
  28. Linda Zhou, MDPhiladelphia, PA 191041265181457
  29. Jonathon Zieff, D.O.Hershey, PA 170331710197066
  30. Michele Ziskind, M.D.Wynnewood, PA 190961346203205
  31. Shannon Zullo, MDAllentown, PA 181041053936799

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

Pennsylvania ranks 13 of 51 per resident

  1. Wisconsin5.5
  2. Florida5.4
  3. California5.3
  4. Pennsylvania5.3
  5. Utah5.2
  6. Colorado5.2
  7. 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.

86.9% 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. Pennsylvania86.9%
  2. United States84.6%

Dermatology Physician records in Pennsylvania, measured

  • In a Medicare file592 of 681 · 86.9% here, 84.6% nationally
  • In the CMS Doctors and Clinicians file485 · 71.2% here, 72.6% nationally
  • Not updated in five years or more380 · 55.8% here, 54.0% nationally
  • Median graduation year2007 · the 485 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

681 NPPES records list dermatology physician (207N00000X) as their primary taxonomy with a practice address in Pennsylvania: 5.3 per 100,000 residents against 4.7 nationally (50 states and D.C.). Philadelphia has 166 of them (24%).

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. Massachusetts627
  3. North Carolina507
  4. Ohio507

States with a similar rate per 100,000

  1. Utah5.2
  2. Colorado5.2
  3. California5.3
  4. Florida5.4

The largest states

  1. California2,083
  2. Florida1,213
  3. New York1,211
  4. Texas1,172
  5. Illinois647

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.