NPPES file of Aug 9, 2026

Hematology & Oncology Physician in Pennsylvania

784 NPPES records list hematology & oncology physician with a practice address in Pennsylvania, 6 per 100,000 residents, the 5th highest rate of 51. Philadelphia and Pittsburgh have the most; each record links to the provider's NPI and the Pennsylvania license search. Page 11 of 16.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0003X · 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, 190

  1. Philadelphia190
  2. Pittsburgh84
  3. Hershey48
  4. Allentown38
  5. Lancaster31

Hematology & Oncology Physician records in Pennsylvania

  1. Khanh Nguyen, MDMonroeville, PA 151461376867127
  2. Myles Nickolich, MDHershey, PA 170331538401880
  3. Anna Niewiarowska, M.D.Bethlehem, PA 180151003927559
  4. Noriko Nishimura, MD, PHD.Hershey, PA 170331104531821
  5. Teresa Nolan, M.D.Monroeville, PA 151461457322075
  6. Melanie Nordlinger, M.D.Abington, PA 190011437362548
  7. Gregory O'Conor, M.D.Lancaster, PA 176011285602680
  8. Sean O'Donnell, M.D.State College, PA 168031295056182
  9. Mark O'Hara, MDPhiladelphia, PA 191041225291933
  10. James Ohr, D.O.Erie, PA 165051306860085
  11. Grigori Okoev, M.D.York, PA 174031346635679
  12. Veronika Oleksyuk, PA-CHershey, PA 170331215793898
  13. Allen Oliff, MDGwynedd Valley, PA 194371194193656
  14. Gladys Onojobi, M.D.Muncy, PA 177561912944901
  15. Nick Onyemeke, M.D.Ephrata, PA 175221730410549
  16. Robert Orlowski, MDPhiladelphia, PA 191041417276379
  17. Jennifer Orzano-Birgani, M.D.Meadville, PA 163351932186517
  18. Jennifer Osborn, M.D.Pittsburgh, PA 152371356312805
  19. Alexander Ostrovsky, MDLanghorne, PA 190471548310238
  20. Zachary Otaibi, DOMonroeville, PA 151461326484262
  21. Randall Oyer, M.D.Lancaster, PA 176041457357899
  22. Rajen Oza, MDScranton, PA 185101770568834
  23. Joseph Padolick, M.D.Clearfield, PA 168301730125741
  24. Ann Palathingal, DOEaston, PA 180451023710423
  25. Paul Palyca, MDAllentown, PA 181031346545464
  26. Jonathan PanPhiladelphia, PA 191071326481565
  27. Manjari Pandey, MDDanville, PA 178221932339876
  28. Dhwani Pandya, M.D.Wilkes Barre, PA 187111750793949
  29. Madison Panell, DOPhiladelphia, PA 191401699425355
  30. Rajiv Panikkar, MDDanville, PA 178221194991208
  31. Ankur Parikh, D.O.Philadelphia, PA 191241245499144
  32. Don Park, M.D.Allentown, PA 181031285714352
  33. So Park, MDEphrata, PA 175221205974706
  34. Gurleen Pasricha, M.D.Meadville, PA 163351891041893
  35. Vida Passero, M.D.Pittsburgh, PA 152321467646513
  36. Anokhi PatelGettysburg, PA 173251609221076
  37. Evani Patel, MDPhiladelphia, PA 191041649972910
  38. Nilesh Patel, M.D.State College, PA 168011730144304
  39. Sheel Patel, MDAbington, PA 190011467743617
  40. Neeta Pathe, MDButler, PA 160011922384049
  41. Brian Patson, MDAllentown, PA 181031598916892
  42. James Patterson, MDWest Chester, PA 193801972600708
  43. Thomas Peacock, MDSellersville, PA 189601528063195
  44. Clifford PembertonWynnewood, PA 190961770592792
  45. Shannon Penland, MDSeneca, PA 163461275574121
  46. Sajid PerachaUniontown, PA 154011083686455
  47. Ruben Perez, MDLebanon, PA 170421629061452
  48. Nityanand Peri, D.O.Hershey, PA 170331588019749
  49. Stuthi Perimbeti, MDHershey, PA 170331124559661
  50. Rodolfo Perini, MDPhiladelphia, PA 191041558410084

Source: CMS NPPES, primary taxonomy 207RH0003X: records by practice city and the list of records, file of Aug 9, 2026.

Pennsylvania ranks 5 of 51 per resident

  1. Rhode Island8.0
  2. Massachusetts6.6
  3. Washington6.1
  4. Pennsylvania6.0
  5. New York5.9
  6. Maine5.5
  7. 50 states and D.C.4.2

Source: CMS NPPES, primary taxonomy 207RH0003X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

83.0% of these records appear in a Medicare file, against 82.9% 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. Pennsylvania83.0%
  2. United States82.9%

Hematology & Oncology Physician records in Pennsylvania, measured

  • In a Medicare file651 of 784 · 83.0% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file553 · 70.5% here, 71.3% nationally
  • Not updated in five years or more471 · 60.1% here, 54.3% nationally
  • Median graduation year2004 · the 553 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0003X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

784 NPPES records list hematology & oncology physician (207RH0003X) as their primary taxonomy with a practice address in Pennsylvania: 6 per 100,000 residents against 4.2 nationally (50 states and D.C.). Philadelphia has 190 of them (24%).

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. Florida818
  2. Illinois666
  3. Texas922
  4. Ohio513

States with a similar rate per 100,000

  1. Washington6.1
  2. New York5.9
  3. Maine5.5
  4. Massachusetts6.6

The largest states

  1. California1,583
  2. New York1,163
  3. Texas922
  4. Florida818
  5. Illinois666

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.