NPPES file of Aug 9, 2026

Hospitalist Physician in Iowa

302 NPPES records list hospitalist physician with a practice address in Iowa, 9.4 per 100,000 residents, the 17th highest rate of 51. Iowa City and Des Moines have the most; each record links to the provider's NPI and the Iowa license search. Page 7 of 7.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208M00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Iowa City has the most, 104

  1. Iowa City104
  2. Des Moines84
  3. Council Bluffs22
  4. Ames19
  5. Cedar Rapids18

Hospitalist Physician records in Iowa

  1. Derek Zhorne, M.D.Iowa City, IA 522421134428451
  2. Roy Zhou, MDIowa City, IA 522421689068116

Source: CMS NPPES, primary taxonomy 208M00000X: records by practice city and the list of records, file of Aug 9, 2026.

Iowa ranks 17 of 51 per resident

  1. Arizona10.4
  2. Washington10.1
  3. Alaska10.0
  4. Iowa9.4
  5. New Hampshire9.4
  6. North Carolina9.1
  7. 50 states and D.C.8.3

Source: CMS NPPES, primary taxonomy 208M00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

87.1% of these records appear in a Medicare file, against 90.5% 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. Iowa87.1%
  2. United States90.5%

Hospitalist Physician records in Iowa, measured

  • In a Medicare file263 of 302 · 87.1% here, 90.5% nationally
  • In the CMS Doctors and Clinicians file243 · 80.5% here, 83.1% nationally
  • Not updated in five years or more78 · 25.8% here, 39.1% nationally
  • Median graduation year2014 · the 243 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208M00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

302 NPPES records list hospitalist physician (208M00000X) as their primary taxonomy with a practice address in Iowa: 9.4 per 100,000 residents against 8.3 nationally (50 states and D.C.). Iowa City has 104 of them (34%).

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. Kentucky302
  2. Utah285
  3. Michigan272
  4. Louisiana340

States with a similar rate per 100,000

  1. New Hampshire9.4
  2. North Carolina9.1
  3. Montana8.9
  4. Alaska10.0

The largest states

  1. California3,099
  2. New York2,067
  3. Florida1,817
  4. Texas1,587
  5. Illinois1,535

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.