NPPES file of Aug 9, 2026

Critical Care Medicine Registered Nurse in California

405 NPPES records list critical care medicine registered nurse with a practice address in California, 1 per 100,000 residents, the 33rd highest rate of 51. Los Angeles and Fresno have the most; each record links to the provider's NPI and the California license search. Page 9 of 9.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 163WC0200X · method

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

Los Angeles has the most, 33

  1. Los Angeles33
  2. Fresno29
  3. Loma Linda26
  4. Oakland26
  5. San Diego25

Critical Care Medicine Registered Nurse records in California

  1. Merriam Young, RNPalo Alto, CA 943041578449096
  2. Xue Han Yu, RNHacienda Heights, CA 917451861380370
  3. Bing ZhaoOakland, CA 946091417793597
  4. Stephanie Zimmerman, RNOceanside, CA 920581134799331
  5. Blane ZinckPalo Alto, CA 943041073343596

Source: CMS NPPES, primary taxonomy 163WC0200X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 33 of 51 per resident

  1. Massachusetts1.1
  2. Utah1.1
  3. Minnesota1.1
  4. California1.0
  5. Arkansas1.0
  6. Virginia1.0
  7. 50 states and D.C.1.3

Source: CMS NPPES, primary taxonomy 163WC0200X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

5.9% of these records appear in a Medicare file, against 7.0% 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. California5.9%
  2. United States7.0%

Critical Care Medicine Registered Nurse records in California, measured

  • In a Medicare file24 of 405 · 5.9% here, 7.0% nationally
  • In the CMS Doctors and Clinicians file17 · 4.2% here, 6.0% nationally
  • Not updated in five years or more129 · 31.9% here, 28.9% nationally
  • Median graduation year2022 · the 17 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 163WC0200X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

405 NPPES records list critical care medicine registered nurse (163WC0200X) as their primary taxonomy with a practice address in California: 1 per 100,000 residents against 1.3 nationally (50 states and D.C.). Los Angeles has 33 of them (8%).

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. Florida307
  2. Tennessee302
  3. New York297
  4. Texas285

States with a similar rate per 100,000

  1. Minnesota1.1
  2. Utah1.1
  3. Massachusetts1.1
  4. Nevada1.1

The largest states

  1. Florida307
  2. Tennessee302
  3. New York297
  4. Texas285
  5. Ohio205

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.