NPPES file of Aug 9, 2026

Hematology (Internal Medicine) Physician in Pennsylvania

67 NPPES records list hematology (internal medicine) physician with a practice address in Pennsylvania, 0.5 per 100,000 residents, the 14th highest rate of 48. Philadelphia and Pittsburgh have the most; each record links to the provider's NPI and the Pennsylvania license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0000X · 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, 36

  1. Philadelphia36
  2. Pittsburgh8
  3. Hershey7
  4. Mechanicsburg2
  5. State College2

Hematology (Internal Medicine) Physician records in Pennsylvania

  1. Susan Rokita, CRNPHershey, PA 170331235188970
  2. Ronald Rubin, MDPhiladelphia, PA 191401639167489
  3. Santhosh Sadashiv, MDPittsburgh, PA 152241982790200
  4. Farzana Sayani, M.D.Philadelphia, PA 191041497003487
  5. Craig Seaman, M.D.Pittsburgh, PA 152131366605826
  6. Valeriy Sedov, M.D.Warren, PA 163651770731556
  7. Natthapol Songdej, MDHershey, PA 170331558522565
  8. Neal SpadaPittsburgh, PA 152371639412539
  9. Panit Srivatana, MDSayre, PA 188401134194632
  10. Edward Stadtmauer, MDPhiladelphia, PA 191041457394744
  11. Srinivas Sunkara, M.D.Philadelphia, PA 191021851704415
  12. Ralph Vassallo, MDPhiladelphia, PA 191231518291905
  13. Dan Vogl, MDPhiladelphia, PA 191041992733448
  14. Junaid Wali, MDHershey, PA 170331740802990
  15. Le Wang, MDPhoenixville, PA 194601528277852
  16. David Wolfe, M.D.State College, PA 168011720030059
  17. Julia Xu, M.D.Pittsburgh, PA 152131639599558

Source: CMS NPPES, primary taxonomy 207RH0000X: records by practice city and the list of records, file of Aug 9, 2026.

Pennsylvania ranks 14 of 48 per resident

  1. New Hampshire0.6
  2. Michigan0.6
  3. Maryland0.5
  4. Pennsylvania0.5
  5. California0.4
  6. Washington0.4
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207RH0000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

80.6% of these records appear in a Medicare file, against 80.5% 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. Pennsylvania80.6%
  2. United States80.5%

Hematology (Internal Medicine) Physician records in Pennsylvania, measured

  • In a Medicare file54 of 67 · 80.6% here, 80.5% nationally
  • In the CMS Doctors and Clinicians file44 · 65.7% here, 70.8% nationally
  • Not updated in five years or more45 · 67.2% here, 46.9% nationally
  • Median graduation year2001 · the 44 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

67 NPPES records list hematology (internal medicine) physician (207RH0000X) as their primary taxonomy with a practice address in Pennsylvania: 0.5 per 100,000 residents against 0.4 nationally (50 states and D.C.). Philadelphia has 36 of them (54%).

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. Florida67
  2. North Carolina72
  3. Texas73
  4. Michigan57

States with a similar rate per 100,000

  1. Maryland0.5
  2. Connecticut0.6
  3. California0.4
  4. Washington0.4

The largest states

  1. California175
  2. New York161
  3. Minnesota128
  4. Massachusetts117
  5. Ohio89

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.