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 142 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. Ameerah Wishahy, DOAbington, PA 190011104321157
  2. John Wisniewski, M.D.Conemaugh, PA 159091154472579
  3. Lucy Witchell, MDPhiladelphia, PA 191401780333534
  4. Lisa Witmer, MDHershey, PA 170331891498069
  5. Paul Witt, D.O.Plains, PA 187051457706996
  6. John Wohar, D.O.Pittsburgh, PA 152191578794244
  7. Jakub Wojcik, MDBradford, PA 167011942688510
  8. Matthew Wolcott, M.D.Sunbury, PA 178011467871459
  9. Andrew Woldow, MDPhiladelphia, PA 191281467453142
  10. Erica Wolf, MDPhiladelphia, PA 191071750350500
  11. Jaime Wolf, D.O.Richboro, PA 189541568704633
  12. Julie Wolf, DOEllwood City, PA 161171265015713
  13. Lloyd Wolf, DOWyomissing, PA 196101578561205
  14. Steven Wolf, DOPhiladelphia, PA 191151861402828
  15. Helen Wolfson, MD, LLC.Media, PA 190631033177357
  16. Tamar WolinskyPhiladelphia, PA 191071194344200
  17. Daniel Wolpaw, MDHershey, PA 170331871540351
  18. Erik WoltersWest Reading, PA 196111962133397
  19. Alfonso Wong, M.D.Pittsburgh, PA 152031467437632
  20. Deborah Wong, M.D.Hershey, PA 170331609224526
  21. James Wong, MDReading, PA 196081629183926
  22. Jeffrey Wong, MDState College, PA 168011558479402
  23. Ji Mei May Wong, MBCHBWynnewood, PA 190961881438711
  24. Lim Wong, MDPhiladelphia, PA 191071144264763
  25. Sandy Wong, MDPhiladelphia, PA 191071811562580
  26. Amanda Wonnacott, M.D.York, PA 174031801087754
  27. Ok Kyoung Woo, M.D.Norristown, PA 194011538365887
  28. Emily Wood, DOYork, PA 174021619362860
  29. Yavetta Wood, D.O.Chester, PA 190131588854863
  30. Timothy Woods, MDBala Cynwyd, PA 190041043229289
  31. Melanie Woodward, M.D.Philadelphia, PA 191041194188243
  32. William Woodward, D.O.West Reading, PA 196111730456245
  33. Ruth Woolcock, M.D.Indiana, PA 157011154386910
  34. Brian Work, MDPhiladelphia, PA 191401114105269
  35. Gari Worley, MDRittanning, PA 162011871694935
  36. William Worrilow, MDPhiladelphia, PA 191401114767357
  37. Cullen Worsh, MDPhiladelphia, PA 191041487114146
  38. Brittany Worthington, DOScranton, PA 185101114450939
  39. Julie Worthington, MDHarrisburg, PA 171011902224777
  40. David Woynarowski, MDReading, PA 196041104197656
  41. James Wright, DOSellersville, PA 189601255891677
  42. Jeffrey Wright, DO, MPHAllentown, PA 181031396366803
  43. Matthew Wright, DOBeaver, PA 150091770505174
  44. Maxwell Wright, MDAllentown, PA 181031548013493
  45. Robert Wright, MDScranton, PA 185101053305938
  46. Harold Wrigley, MDGrove City, PA 161271144280082
  47. Di Wu, MDBethlehem, PA 180181306274329
  48. Edward Wu, MDPhiladelphia, PA 191061851367155
  49. Evan Wu, MDDanville, PA 178221891149126
  50. Henry Wu, DOMechanicsburg, PA 170501467198531

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.