NPPES file of Aug 9, 2026

Pediatric Nephrology Physician in Pennsylvania

60 NPPES records list pediatric nephrology physician with a practice address in Pennsylvania, 0.5 per 100,000 residents, the 5th 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 2080P0210X · 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, 37

  1. Philadelphia37
  2. Pittsburgh8
  3. Hershey6
  4. Danville3
  5. Ambler1

Pediatric Nephrology Physician records in Pennsylvania

  1. Martin Polinsky, M.D.Philadelphia, PA 191281891037644
  2. Madhura Pradhan, M.D.Philadelphia, PA 191041285640367
  3. Ryan Raffaelli, M.D.Philadelphia, PA 191041477672079
  4. Seth Schulman, MDAmbler, PA 190021588826317
  5. Rebecca Scobell, M.D.Philadelphia, PA 191041801208228
  6. Sandi Mae See Tai, M.D.Philadelphia, PA 191341205969607
  7. Azra Sehic, MDKingston, PA 187041982670808
  8. Christine Sethna, M.D.Philadelphia, PA 191041043233083
  9. Steven Wassner, MDHershey, PA 170331447207907
  10. Keith Williams, PHDHershey, PA 170331770534885

Source: CMS NPPES, primary taxonomy 2080P0210X: records by practice city and the list of records, file of Aug 9, 2026.

Pennsylvania ranks 5 of 48 per resident

  1. Missouri0.5
  2. Connecticut0.5
  3. Vermont0.5
  4. Pennsylvania0.5
  5. Ohio0.5
  6. Massachusetts0.5
  7. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 2080P0210X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

55.0% of these records appear in a Medicare file, against 70.9% 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. Pennsylvania55.0%
  2. United States70.9%

Pediatric Nephrology Physician records in Pennsylvania, measured

  • In a Medicare file33 of 60 · 55.0% here, 70.9% nationally
  • In the CMS Doctors and Clinicians file26 · 43.3% here, 58.9% nationally
  • Not updated in five years or more37 · 61.7% here, 53.1% nationally
  • Median graduation year2004 · the 26 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0210X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

60 NPPES records list pediatric nephrology physician (2080P0210X) as their primary taxonomy with a practice address in Pennsylvania: 0.5 per 100,000 residents against 0.3 nationally (50 states and D.C.). Philadelphia has 37 of them (62%).

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. Florida61
  2. Ohio54
  3. Texas76
  4. Illinois42

States with a similar rate per 100,000

  1. Massachusetts0.5
  2. Connecticut0.5
  3. Missouri0.5
  4. New York0.4

The largest states

  1. California116
  2. New York86
  3. Texas76
  4. Florida61
  5. Ohio54

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.