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 141 of 146.

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

Philadelphia has the most, 1,855

Internal Medicine Physician records in Pennsylvania

  1. William Whitmire, MDPhiladelphia, PA 191021881188027
  2. Jonathan Whitney, MDYork, PA 174031982637708
  3. Jabar Whittier, M.D.Philadelphia, PA 191021326335944
  4. Skylynn WhittingtonChambersburg, PA 172011427793983
  5. Andrew Wickerham, MD, MPH, MBAPittsburgh, PA 152131194253500
  6. Alexis Wickersham, M.D.Philadelphia, PA 191071720346919
  7. Max Widawski, DOAllentown, PA 181041619468733
  8. Laurel Wiegand, MDPalmyra, PA 170781225621949
  9. Wendy Wiese, D.O.Flourtown, PA 190311275546939
  10. Donald Wilfong, MDCheswick, PA 150241346230844
  11. Ann Wilfred, MDPhiladelphia, PA 191401154161719
  12. Monica Wilk-WeberMeadville, PA 163351649703604
  13. James Wilkens, M.D.Titusville, PA 163541104821396
  14. Rachel Wilkerson, D.O.Erie, PA 165441457796211
  15. Mary Wilkinson, MDPhiladelphia, PA 191401679402473
  16. Susan Wilkinson, MDPittsburgh, PA 152171982931044
  17. Adrienne Willard, M.D.Philadelphia, PA 191021942466396
  18. Cameron Williams, DOPlymouth Meeting, PA 194621902395957
  19. Chloe Williams, MDPittsburgh, PA 152121518464932
  20. Daniel Williams, MDTunkhannock, PA 186571609869072
  21. Edward Williams, MDWynnewood, PA 190961356350862
  22. Gregory Williams, M.D.Philadelphia, PA 191511083686216
  23. Jessica Williams, MDHarrisburg, PA 171091104903210
  24. Kendal Williams, MDPhiladelphia, PA 191041942232236
  25. Kevin Williams, MDPeckville, PA 184521750361168
  26. Lynne Williams, MDPittsburgh, PA 152101093805137
  27. Marcus Williams, M.D.Exton, PA 193411619057734
  28. Maura WilliamsPhiladelphia, PA 191041720519473
  29. Paul Williams, M.D.Hershey, PA 170331356662795
  30. Sankey Williams, MDPhiladelphia, PA 191041083645766
  31. Steven Williams, MDPittsburgh, PA 152121093797755
  32. Susan Williams, MDCrum Lynne, PA 190221538233275
  33. Elizabeth Williams-Drueding, DOKing Of Prussia, PA 194061639589351
  34. Brent Williamson, M.D.York, PA 174031457792392
  35. Frederick Wilson, DOFarrell, PA 161211093715179
  36. Jacqueline Wilson, MDPhiladelphia, PA 191041457678377
  37. Jasmine WilsonPittsburgh, PA 152201356824213
  38. Robert Wilson, M.D.Harrisburg, PA 171011609868942
  39. Maung Win, MDLancaster, PA 176031376543652
  40. Andrew Winand, MDRed Lion, PA 173561871526699
  41. Lewis Winans, MDWyomissing, PA 196101932177086
  42. Matthew Winas, D.O.Allentown, PA 181031194765230
  43. Mica Winchester, MDPhiladelphia, PA 191321982133195
  44. Charles Windon, M.D.Philadelphia, PA 191021720469638
  45. Larry Wingard, M.D.Kittanning, PA 162011275638025
  46. Jennifer Winn, M.D.Philadelphia, PA 191111063671766
  47. Kenneth Winokur, DOPhila, PA 191481295814598
  48. Maria Winte, MDPhiladelphia, PA 191071154901759
  49. Dylan Winters, DOPittsburgh, PA 152121528647054
  50. Timothy Wirth, M.D.Reading, PA 196051396741765

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.