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 76 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. Derek Lillestolen, DOAllentown, PA 181031245915917
  2. Timothy Lilly, D.O.Grove City, PA 161271649258765
  3. Audrey Lim, MDPittsburgh, PA 152131437772183
  4. Ho-Im Lim, M.D.East Stroudsburg, PA 183021194985580
  5. Nyok-Kheng Lim, MDNewtown Square, PA 190731952322356
  6. Sharon Lim, M.D.Philadelphia, PA 191451154579241
  7. Bolanle Limann, MDHarrisburg, PA 171041033361662
  8. Vladimir Limonnik, DOWynnewood, PA 190961932697505
  9. Brian Lin, DOPhiladelphia, PA 191021174051940
  10. Chien-Fu Lin, M.D.Philadelphia, PA 191401699155531
  11. Frank Lin, DOPhiladelphia, PA 191401427788728
  12. Karen Lin, MDPhiladelphia, PA 191401194713099
  13. Mark LinLanghorne, PA 190471861607863
  14. Melissa Lin, M.D.Wyomissing, PA 196101689698540
  15. Paul Linder, M.D.West Mifflin, PA 151221992709349
  16. Marie LindnerRadnor, PA 190871932730546
  17. Bruce Ling, MDNatrona Heights, PA 150651497729636
  18. Henry Ling, MD PHDWynnewood, PA 190961922191097
  19. Bhattarahally Linganna, MDNew Castle, PA 161011790718153
  20. Sanjay Linganna, M.D.Allentown, PA 181031740423771
  21. Kavitha Lingineni, M.D.Coatesville, PA 193201457399156
  22. Emily Link, MDHershey, PA 170331942457767
  23. Emma Link, MDKing Of Prussia, PA 194061528649381
  24. Arthur Lintgen, M.D.Jenkintown, PA 190461538167812
  25. Mitchell Lion, DONatrona Heights, PA 150651689175143
  26. Brett Lipetz, DOPhiladelphia, PA 191311396202875
  27. David Lipkin, M.D.Fort Washington, PA 190341215996988
  28. Catherine LippertPleasant Hills, PA 152361881475846
  29. Ariel Lippman, D.O.Media, PA 190631598115404
  30. Seth Lipshutz, DOPhiladelphia, PA 191141093382418
  31. Samuel Lipten, M.D.Philadelphia, PA 191071639528342
  32. Joseph Liput, DOPittsburgh, PA 152121518499169
  33. John Lisiak, D.O.Clarks Summit, PA 184111194868091
  34. Donald Liss, MDWyncote, PA 190951326891474
  35. Jacob LissEaston, PA 180451912838939
  36. Anne-Marie LiszkaErie, PA 165051023014032
  37. Stephen Litman, MDDresher, PA 190251033115134
  38. Daniel Litovsky, MDLanghorne, PA 190471275583403
  39. David Litt, MDMeadowbrook, PA 190461265403240
  40. Mario Littman, M.D.Philadelphia, PA 191511568400612
  41. Susan Littman, MDAmbler, PA 190021437349321
  42. Thomas Litz, DONew Kensington, PA 150681033181516
  43. Chengyu Liu, M.D.Philadelphia, PA 191401609086636
  44. Jennifer Liu, M.D.Plymouth Meeting, PA 194621245244318
  45. Lin LiuHavertown, PA 190831063809473
  46. Mandi Liu, MDPhiladelphia, PA 191401619652633
  47. Simone Liverpool, M.D.Philadelphia, PA 191021619325149
  48. Carissa LivingstonPhiladelphia, PA 191041376162131
  49. Jason LivingstoneDanville, PA 178221891374229
  50. Richard Lizak, DOLehighton, PA 182351972552370

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.