NPPES file of Aug 9, 2026

Administrator Registered Nurse in California

303 NPPES records list administrator registered nurse with a practice address in California, 0.8 per 100,000 residents, the 22nd highest rate of 50. San Diego and Sacramento have the most; each record links to the provider's NPI and the California license search. Page 7 of 7.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 163WA2000X · method

San Diego has the most, 24

Administrator Registered Nurse records in California

  1. Debra Zamora, R.N.Fresno, CA 937031134399702
  2. Laura Zeitz, RNSanta Barbara, CA 931101710041140
  3. Suzanne ZimmermanIndio, CA 922011982812400

Source: CMS NPPES, primary taxonomy 163WA2000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 22 of 50 per resident

  1. Missouri0.8
  2. Kansas0.8
  3. Georgia0.8
  4. California0.8
  5. Delaware0.8
  6. Maryland0.8
  7. 50 states and D.C.0.7

Source: CMS NPPES, primary taxonomy 163WA2000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.3% of these records appear in a Medicare file, against 0.4% 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. California0.3%
  2. United States0.4%

Administrator Registered Nurse records in California, measured

  • In a Medicare file1 of 303 · 0.3% here, 0.4% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, 0.2% nationally
  • Not updated in five years or more160 · 52.8% here, 51.7% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 163WA2000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

303 NPPES records list administrator registered nurse (163WA2000X) as their primary taxonomy with a practice address in California: 0.8 per 100,000 residents against 0.7 nationally (50 states and D.C.). San Diego has 24 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. New York229
  2. Texas178
  3. Florida112
  4. Ohio105

States with a similar rate per 100,000

  1. Georgia0.8
  2. Maryland0.8
  3. Kansas0.8
  4. Missouri0.8

The largest states

  1. New York229
  2. Texas178
  3. Florida112
  4. Ohio105
  5. Michigan90

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.