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 73 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. Benjamin Larson, M.D.Wynnewood, PA 190961649666223
  2. Steven Larson, MDPhiladelphia, PA 191041700822996
  3. Anna Laskova, MDWest Reading, PA 196111477162253
  4. Mark Lasorda, DOWest Chester, PA 193821871913954
  5. Mary Lathrop, MDHershey, PA 170331336107085
  6. Sherita Latimore-Collier, M.D.Philadelphia, PA 191321952346108
  7. Sandra Latona, M.D.Allentown, PA 181041548212608
  8. Leslie Latterman, DOPittsburgh, PA 152121952391070
  9. Ekaterina Latycheva, M.D.Sayre, PA 188401326301367
  10. Arthur Lau, MDPhiladelphia, PA 191401821473331
  11. Ho An LauPhiladelphia, PA 191411548944846
  12. Kenneth Lau, M.D.Philadelphia, PA 191071386081289
  13. Joelle Lauchner, DODouglassville, PA 195181922364710
  14. Susan Laurence, D.O.Paoli, PA 193011316109960
  15. Joseph Laureti, DOAllentown, PA 181041396059317
  16. William Laury, M.D.Philadelphia, PA 191191407802697
  17. Gillian Lautenbach, MDPhiladelphia, PA 191041568492684
  18. Otto Lauter, M.D.Lancaster, PA 176021174512230
  19. Linda-Marie Lavenburg, D.O.Philadelphia, PA 191041023428349
  20. David Lavin, M.D.Erie, PA 165041679513519
  21. Halimat Lawal, M.DHarrisburg, PA 171041245792803
  22. Salvatore Lawrence, MDDunmore, PA 185121114966728
  23. Thomas Lawrence, MDNewtown Square, PA 190731861463507
  24. Marjorie Lazoff, M.D.Philadelphia, PA 191061467655795
  25. Daniel Lazowick, DOWynnewood, PA 190961063483527
  26. Dianna Lazur, D.O.Pottsville, PA 179011144292764
  27. Dien Le, M.D.Russell, PA 163451386095131
  28. Ethan LePhiladelphia, PA 191071801780374
  29. Julie Le, DOButler, PA 160011770043358
  30. Kevin Le, MDTafton, PA 184641497100945
  31. Phuoc Le, MDCoatesville, PA 193201548221286
  32. Samuel Leather, M.D.Meadowbrook, PA 190461992814685
  33. Randi Leavitt, M.D.Dresher, PA 190251801292040
  34. Richard Leavitt, D,OJenkintown, PA 190461174505739
  35. Paul Leber, M.D.Muncy, PA 177561528179934
  36. Tanya Lechtev, M.D.Danville, PA 178221245498005
  37. Aaron Lee, M.D.Hershey, PA 170331376923946
  38. Al Lee, D.O.Scranton, PA 185101104266089
  39. Albert Lee, MDPhiladelphia, PA 191071033232434
  40. Anita Lee, MDPhiladelphia, PA 191041013948793
  41. Byeori LeePhiladelphia, PA 191411659867406
  42. Courtney LeeWyncote, PA 190951265964159
  43. Jaeyoung Lee, MDPittsburgh, PA 152371356650410
  44. Jessica LeePaoli, PA 193011912369620
  45. John Lee, MDPhiladelphia, PA 191141538188040
  46. Jooseob Lee, MDPittsburgh, PA 152131073008710
  47. Joshua Lee, MDYardley, PA 190671538727946
  48. Keith LeeWynnewood, PA 190961326740689
  49. Kristin Lee, DOPhiladelphia, PA 191401699398354
  50. Meichia LeePhiladelphia, PA 191251972035384

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.