NPPES file of Aug 9, 2026

Dermatology Physician in New Hampshire

89 NPPES records list dermatology physician with a practice address in New Hampshire, 6.3 per 100,000 residents, the 5th highest rate of 51. Lebanon and Nashua have the most; each record links to the provider's NPI and the New Hampshire license search. Page 2 of 2.

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).

Lebanon has the most, 25

  1. Lebanon25
  2. Nashua12
  3. Manchester9
  4. Portsmouth9
  5. Concord8

Dermatology Physician records in New Hampshire

  1. Lynette Margesson, MDLebanon, NH 037661528057940
  2. Arthur Marka, MDPortsmouth, NH 038011538798541
  3. Elizabeth MarvinLebanon, NH 037561427581784
  4. Daniel McGinley-Smith, M.D.Hanover, NH 037551699827428
  5. Stephen Moyer, DONashua, NH 030621003896036
  6. Heidi Mullen, D.O.Exeter, NH 038331851827588
  7. Robert Murgia, D.O.Dover, NH 038201063804441
  8. Neera Nathan, MDLondonderry, NH 030531811343361
  9. Nicole Pace, M.D.Lebanon, NH 037661306879804
  10. Sarah Pace, M.D.Exeter, NH 038331811218704
  11. Andrea Pearson, MDNelson, NH 034571841440112
  12. Daniel Peraza, M.D.Claremont, NH 037431073635355
  13. Jose Peraza, M.D.Claremont, NH 037431033289020
  14. Molly Plovanich, MDDover, NH 038201134532187
  15. David Posnick, DONashua, NH 030601629333182
  16. Robert Posnick, M.D.Nashua, NH 030621497866388
  17. Warren Pringle, MDPortsmooth, NH 038011487745782
  18. Mark Quitadamo, MDLebanon, NH 037661891731022
  19. Jillian Rork, MDManchester, NH 031041750729307
  20. Yulianna Russak, M.D.Lebanon, NH 037561962553875
  21. Chenin Ryan, MD, MSLebanon, NH 037661295588465
  22. Peter Sands, MDConcord, NH 033011295753432
  23. Gregory Seymour, M.D.Keene, NH 034311851316152
  24. Emily Shaughnessy, M.D.Lebanon, NH 037661295155232
  25. Lisa Sherman, MDPortsmouth, NH 038011043245046
  26. Jeffrey Shornick, MDLebanon, NH 037661023089711
  27. Brian Simmons, MDLebanon, NH 037661013379262
  28. Murray Smith, MDNashua, NH 030631568570778
  29. Steven Spencer, MDLebanon, NH 037561801981576
  30. Jennifer Stead, D.O.Bedford, NH 031101831375872
  31. Margaret Stewart, M.D.Portsmouth, NH 038011649375072
  32. Katherine Su, MDManchester, NH 031041689063919
  33. Georgia Tuttle, M.D.Lebanon, NH 037661952301301
  34. Cheryl Waldman, M.D.Nashua, NH 030621962447854
  35. Jeanette Wat, MD, MSManchester, NH 031041952987646
  36. John Watson, M.D.Manchester, NH 031021972524437
  37. Andrew Werchniak, MDPortsmouth, NH 038011023075710
  38. Robert Willer, M.D.Manchester, NH 031041336180090
  39. Kathryn Zug, MDLebanon, NH 037661225126659

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

New Hampshire ranks 5 of 51 per resident

  1. Massachusetts9.0
  2. Connecticut7.0
  3. Rhode Island6.7
  4. New Hampshire6.3
  5. New York6.2
  6. South Dakota5.8
  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.

84.3% 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. New Hampshire84.3%
  2. United States84.6%

Dermatology Physician records in New Hampshire, measured

  • In a Medicare file75 of 89 · 84.3% here, 84.6% nationally
  • In the CMS Doctors and Clinicians file64 · 71.9% here, 72.6% nationally
  • Not updated in five years or more42 · 47.2% here, 54.0% nationally
  • Median graduation year2007 · the 64 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

89 NPPES records list dermatology physician (207N00000X) as their primary taxonomy with a practice address in New Hampshire: 6.3 per 100,000 residents against 4.7 nationally (50 states and D.C.). Lebanon has 25 of them (28%).

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. Mississippi89
  2. Nevada87
  3. Arkansas79
  4. Kansas101

States with a similar rate per 100,000

  1. New York6.2
  2. Rhode Island6.7
  3. South Dakota5.8
  4. Connecticut7.0

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.