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 31 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. Ashim Dayalan, MDPittsburgh, PA 152371376508028
  2. Sulagna De, M.D.Stroudsburg, PA 183601568515161
  3. Sean De Boer, MDDoylestown, PA 189011265961486
  4. Harry De Butts, D.O.Horsham, PA 190441225267891
  5. Gerson De Freitas, M.D.Bethlehem, PA 180151073052387
  6. Ernesto De Las Alas, MDEverett, PA 155371558524587
  7. Joseph De Leon, MDWynnewood, PA 190961821380551
  8. Luigi De Santis, MDLevittown, PA 190551619973674
  9. Nicholas De Vito, M.D.Philadelphia, PA 191481407051741
  10. Sheila De Young, DOPhiladelphia, PA 191071528621653
  11. Andrew Deak, MDPhiladelphia, PA 191401861121568
  12. Susan Deakin, DOGibsonia, PA 150441174596423
  13. Kelly Dean, MDPhiladelphia, PA 191041780240093
  14. Luke Deangelis, DOWynnewood, PA 190961336932581
  15. Thomas Deberardinis, MDWyomissing, PA 196101992747893
  16. Jacob Deberry, M.D.Pittsburgh, PA 152131114584141
  17. Ramendra Debnath, MDEaston, PA 180421871915942
  18. Jeffery Debuque, DOCenter Valley, PA 180341861445157
  19. Charles Deck, M.D.Scranton, PA 185051982698866
  20. Lawrence Deckelbaum, M.D.Gladwyne, PA 190351295064897
  21. Brooke Decker, M.D.Pittsburgh, PA 152401851581482
  22. Ryan Decort, DOChambersburg, PA 172011043531551
  23. Nishi Dedania, MDBethlehem, PA 180181952728966
  24. Vinesh Dedhia, MDLancaster, PA 176021487747614
  25. Lydia DeekolluLancaster, PA 176021962853184
  26. Sanjay DeelWynnewood, PA 190961770418675
  27. Fnu DeepaliPhiladelphia, PA 191411386321750
  28. Lewis Deeugenio, M.D.Philadelphia, PA 191071780664847
  29. Anthony Defail, D.OPittsburgh, PA 152121649467929
  30. Carly Defaria, MDPhiladelphia, PA 191411013533124
  31. Dominick DefrancesNatrona Heights, PA 150651255301123
  32. Giuliana Defrancesch, MDPhila, PA 191401154307783
  33. Lesley Degiovanni, MDPittsburgh, PA 152281760422794
  34. Douglas Degler, MDEast Stroudsburg, PA 183011760432520
  35. Nicholas Degregorio, M.D.Pittsburgh, PA 152281962509257
  36. John Dehoff, MDAllentown, PA 181031811083132
  37. Matthew Deicke, DOPittsburgh, PA 152121578191664
  38. Maria Dejoseph, M.D.Bethlehem, PA 180181326108259
  39. Robert Dejoy, DOPhiladelphia, PA 191411962063008
  40. George Dekki, M.D.Philadelphia, PA 191021295023273
  41. Allison DekoskyPhiladelphia, PA 191041275799488
  42. Joseph Del Castillo, M.D.Lancaster, PA 176021760600605
  43. J. Anne Nicole Del Rosario, MDJermyn, PA 184331386388536
  44. Carlos Delafuente, M.D.Mechanicsburg, PA 170551801810684
  45. Tyler Delaney, DOButler, PA 160011306373998
  46. Caesar Deleo, MDPittsburgh, PA 152191063629566
  47. Camila Delgado, MD/PHDPhiladelphia, PA 191341053997585
  48. Olivia Delia, MDPhiladelphia, PA 191041295295335
  49. Mateus Della Nina Serra O Franco, MDPhiladelphia, PA 191411215811559
  50. Raphaella Dellavalle, MDPhiladelphia, PA 191401356091086

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.