NPPES file of Aug 9, 2026

Hospitalist Physician in Colorado

806 NPPES records list hospitalist physician with a practice address in Colorado, 13.7 per 100,000 residents, the 6th highest rate of 51. Aurora and Denver have the most; each record links to the provider's NPI and the Colorado license search. Page 17 of 17.

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).

Aurora has the most, 269

  1. Aurora269
  2. Denver162
  3. Greenwood Village75
  4. Colorado Springs70
  5. Fort Collins33

Hospitalist Physician records in Colorado

  1. Jeffrey Zamarripa, M.D.Greenwood Village, CO 801111518072248
  2. Jason Zamkoff, MDAurora, CO 800451528080868
  3. Lucas Zarling, MDAurora, CO 800451063041713
  4. Jeffrey Zoucha, M.D.Denver, CO 802041215121504
  5. Meggan Zsemlye, MDAurora, CO 800451760497234
  6. Sophia Zwicker, M.D.Lone Tree, CO 801241871869446

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

Colorado ranks 6 of 51 per resident

  1. District of Columbia17.1
  2. Wisconsin15.1
  3. Missouri15.0
  4. Colorado13.7
  5. Illinois12.2
  6. Oregon11.1
  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.

85.2% 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. Colorado85.2%
  2. United States90.5%

Hospitalist Physician records in Colorado, measured

  • In a Medicare file687 of 806 · 85.2% here, 90.5% nationally
  • In the CMS Doctors and Clinicians file622 · 77.2% here, 83.1% nationally
  • Not updated in five years or more306 · 38.0% here, 39.1% nationally
  • Median graduation year2012 · the 622 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

806 NPPES records list hospitalist physician (208M00000X) as their primary taxonomy with a practice address in Colorado: 13.7 per 100,000 residents against 8.3 nationally (50 states and D.C.). Aurora has 269 of them (33%).

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. Washington793
  2. Arizona775
  3. Wisconsin894
  4. Missouri930

States with a similar rate per 100,000

  1. Illinois12.2
  2. Oregon11.1
  3. Hawaii11.1
  4. Connecticut11.1

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.