NPPES file of Aug 9, 2026

Orthopaedic Surgery Physician in Pennsylvania

1,253 NPPES records list orthopaedic surgery physician with a practice address in Pennsylvania, 9.7 per 100,000 residents, the 10th highest rate of 51. Philadelphia and Pittsburgh have the most; each record links to the provider's NPI and the Pennsylvania license search. Page 26 of 26.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207X00000X · 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, 219

  1. Philadelphia219
  2. Pittsburgh140
  3. York58
  4. Lancaster48
  5. Bethlehem40

Orthopaedic Surgery Physician records in Pennsylvania

  1. Marc Zimmerman, MDPhiladelphia, PA 191451326038639
  2. Christoforos ZisisPittsburgh, PA 152371194547729
  3. James Zurbach, MDUpland, PA 190131225083256

Source: CMS NPPES, primary taxonomy 207X00000X: records by practice city and the list of records, file of Aug 9, 2026.

Pennsylvania ranks 10 of 51 per resident

  1. Minnesota11.3
  2. Wisconsin11.1
  3. Massachusetts9.9
  4. Pennsylvania9.7
  5. Connecticut9.6
  6. Michigan9.6
  7. 50 states and D.C.7.4

Source: CMS NPPES, primary taxonomy 207X00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

79.6% of these records appear in a Medicare file, against 76.5% 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. Pennsylvania79.6%
  2. United States76.5%

Orthopaedic Surgery Physician records in Pennsylvania, measured

  • In a Medicare file998 of 1,253 · 79.6% here, 76.5% nationally
  • In the CMS Doctors and Clinicians file779 · 62.2% here, 62.5% nationally
  • Not updated in five years or more700 · 55.9% here, 56.8% nationally
  • Median graduation year2003 · the 777 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207X00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,253 NPPES records list orthopaedic surgery physician (207X00000X) as their primary taxonomy with a practice address in Pennsylvania: 9.7 per 100,000 residents against 7.4 nationally (50 states and D.C.). Philadelphia has 219 of them (17%).

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. New York1,339
  2. Florida1,470
  3. Illinois995
  4. Texas1,514

States with a similar rate per 100,000

  1. Connecticut9.6
  2. Michigan9.6
  3. Massachusetts9.9
  4. North Dakota9.4

The largest states

  1. California2,276
  2. Texas1,514
  3. Florida1,470
  4. New York1,339
  5. Illinois995

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.