NPPES file of Aug 9, 2026

Internal Medicine Physician in Pennsylvania

7,300 NPPES records list internal medicine physician with a practice address in Pennsylvania, 56 per 100,000 residents, the 11th highest rate of 51. Philadelphia and Pittsburgh have the most; each record links to the provider's NPI and the Pennsylvania license search. Page 35 of 146.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 1,855

  1. Philadelphia1,855
  2. Pittsburgh750
  3. Allentown218
  4. Harrisburg184
  5. York164

Internal Medicine Physician records in Pennsylvania

  1. Mary DoughertyHermitage, PA 161481194794453
  2. Renee Dougherty, D.O.Hazleton, PA 182021609260835
  3. Heather Dowd, D.O.Penn Valley, PA 190721225237480
  4. Sara Doyle, DOAllentown, PA 181031750518254
  5. Timothy Doyle, MDElysburg, PA 178241043281991
  6. Emily Drechsel, DOPhiladelphia, PA 191241720349160
  7. James Dreer, DOPittsburgh, PA 152131952938631
  8. Michael Dresser, M.D.Pittsburgh, PA 152401740383397
  9. Laura Driessen, MDAllentown, PA 181011821579434
  10. Scott Drobnis, MDPottstown, PA 194641063774917
  11. Charles Druffner, MDClarks Summit, PA 184111578691457
  12. Lei Du, MDHarrisburg, PA 171091790100659
  13. Monica Dua, MDNorth Versailles, PA 151371548224892
  14. Angelica Duarte, MDHarrisburg, PA 171091982898599
  15. Rafael Duarte, MDPhiladelphia, PA 191411922679653
  16. Abraham Dubb, MDPhiladelphia, PA 191041184637936
  17. Gary Dubin, M.D.West Chester, PA 193801285924589
  18. Mark Duca, MDPittsburgh, PA 152131023081445
  19. Nicholas Duca, M.D.Hershey, PA 170331356683684
  20. Joyce Duckett, M.D.Philadelphia, PA 191431376583831
  21. Gregor Dudiak, DOHershey, PA 170331669222667
  22. David Dudick, M.D.Harrisburg, PA 171011013107747
  23. Boguslawa Dudkowska, M.D.Southampton, PA 189661982643771
  24. Jenna Dudukovich, MDState College, PA 168031700383619
  25. Christopher Due, MDDover, PA 173151558464644
  26. William Duffy, MDConshohocken, PA 194281538108055
  27. Kelly DuganErie, PA 165501710170543
  28. Pamela Duke, M.D.Philadelphia, PA 191071285687855
  29. John Dulcey, MDLansdale, PA 194461720083595
  30. Komal Dumaswala, M.D.Easton, PA 180451255763827
  31. Pamela Dumpe, M.D.Aliquippa, PA 150011083671788
  32. Rebecca Dunbar, MDPittsburgh, PA 152061982718417
  33. Richard Dunbar, MDPhiladelphia, PA 191041124042825
  34. William Dunkman, M.D.Philadelphia, PA 191041427061399
  35. Elizabeth Dunmore, MDJohnstown, PA 159051548254816
  36. Colin Dunn, MDPhiladelphia, PA 191401194352997
  37. Lewis Dunn, M.D.Fairless Hills, PA 190301700832425
  38. Kathy Dunning, MDYork, PA 174031740771328
  39. David Duong, M.D.Philadelphia, PA 191201184883308
  40. Jayson Dupre, DOKing Of Prussia, PA 194061851500185
  41. Robert Durako, DOLehighton, PA 182351164491551
  42. Maria Duran-Guerraty, M.D.Philadelphia, PA 191041376656595
  43. Marie-Claudia Durkin, D.O.West Grove, PA 193901407218241
  44. Philip DurneyPhiladelphia, PA 191071205360369
  45. Anshul Dutta, M.D.Philadelphia, PA 191021689081879
  46. Sawan Dutta, MDPhiladelphia, PA 191071467193029
  47. Shahnaz Duymun, D.OPhiladelphia, PA 191401215469754
  48. Aanini Dwivedi, MDPhiladelphia, PA 191401861185217
  49. George Dy, M.D.Mansfield, PA 169331962415067
  50. Yevgeniy DyakovetskyRichboro, PA 189541215157987

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Pennsylvania ranks 11 of 51 per resident

  1. Delaware58
  2. Illinois58
  3. Michigan57
  4. Pennsylvania56
  5. Vermont50
  6. Oregon50
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

77.9% of these records appear in a Medicare file, against 78.7% 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. Pennsylvania77.9%
  2. United States78.7%

Internal Medicine Physician records in Pennsylvania, measured

  • In a Medicare file5,684 of 7,300 · 77.9% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file4,212 · 57.7% here, 61.4% nationally
  • Not updated in five years or more4,115 · 56.4% here, 55.4% nationally
  • Median graduation year2008 · the 4,208 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

7,300 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Pennsylvania: 56 per 100,000 residents against 44 nationally (50 states and D.C.). Philadelphia has 1,855 of them (25%).

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. Illinois7,238
  2. Massachusetts6,825
  3. Michigan5,735
  4. Texas9,175

States with a similar rate per 100,000

  1. Delaware58.1
  2. New York61.7
  3. Vermont50.4
  4. American Samoa50.1

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Illinois7,238

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.