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 77 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. Benjamin Lloyd, M.D.West Reading, PA 196111386694610
  2. Francis Lo, M.D.Philadelphia, PA 191041366551236
  3. Shih Lo, M.D.Clairton, PA 150251740397231
  4. Paul Lobur, M.D.Pittsburgh, PA 152431245236975
  5. Heather Lockner, DOBerwyn, PA 193121295774503
  6. Adam Loeser, MDPhiladelphia, PA 191401265271266
  7. Caitlin LoganPhiladelphia, PA 191021801455571
  8. Martha Logan, M.D.Broomall, PA 190081568576494
  9. Daniel Logatto, DOAllentown, PA 181031255187316
  10. Lia Logio, MDPhiladelphia, PA 191021508824517
  11. Judith Long, M.D.Philadelphia, PA 191041952312225
  12. Richard Long, MDBelle Vernon, PA 150121619955911
  13. Stephen LongJermyn, PA 184331285261875
  14. William Long, MDPhiladelphia, PA 191041639183304
  15. Nicole Longo, D.O.Flourtown, PA 190311275860108
  16. Sean LongsonPhiladelphia, PA 191311902482037
  17. Marina Lopes Machado, M.D.Erie, PA 165501083308712
  18. Antonio Lopez, MDAllentown, PA 181021558922567
  19. Juliana Lopez, DOBethlehem, PA 180151669174538
  20. Juan Lopez Tiboni, MDPhiladelphia, PA 191071689247546
  21. William Loretan, DOEphrata, PA 175221245244565
  22. Richard Lorraine, M.D.Harleysville, PA 194381528052347
  23. Miles Lota, DOPhiladelphia, PA 191431174695225
  24. Pradeep Lothe, M.D.Wynnewood, PA 190961891733721
  25. William LoughneyScranton, PA 185031447719257
  26. Justin Lounder, DOHarrisburg, PA 171091417417775
  27. William Love, M.D.Lancaster, PA 176021831358498
  28. Richard Loynd, D.O.West Reading, PA 196111023495173
  29. Jason Lu, MDPittsburgh, PA 152121255370722
  30. Jinyu Lu, M.D.East Norriton, PA 194031679834428
  31. Kevin Lu, M.D.Willow Grove, PA 190901457701831
  32. Paul Lu, MDPhiladelphia, PA 191041790027654
  33. Zhexi Lu, MDPittsburgh, PA 152401962131813
  34. Maryanne Lubas, DOPhiladelphia, PA 191411164090379
  35. Sarah Luber, DOWest Reading, PA 196111861751315
  36. Christine Lubimir, CRNPPittsburgh, PA 152241700850963
  37. Christopher Lucas, DOPaoli, PA 193011538136387
  38. Mark LuceyPhiladelphia, PA 191311780115329
  39. Nicole Luche, MDPittsburgh, PA 152131982229662
  40. Halina Luckiewicz, MDPittsburgh, PA 152371497761399
  41. John Ludden, M.D.Pittsburgh, PA 152401316908593
  42. Steven Ludwin, M.D.Philadelphia, PA 191071013196609
  43. Yadhira Lugo Jose, MDBethlehem, PA 180151164984100
  44. Pankaj Luitel, MDWest Reading, PA 196111578177614
  45. Wilfredo Lukban, M.D.Drexel Hill, PA 190261215010251
  46. Claudia Lum, D.O.East Norriton, PA 194031972733988
  47. Dane Lundgren, M.D.Sewickley, PA 151431962765206
  48. Chrysanthi Lundstedt, DOYork, PA 174031831939776
  49. Eugenia Luo, MDYork, PA 174031851897615
  50. Peter Luo, MDHarrisburg, PA 171011366762973

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.