NPPES file of Aug 9, 2026

Nephrology Specialist/Technologist in California

1 NPPES records list nephrology specialist/technologist with a practice address in California, 0 per 100,000 residents, the 12th highest rate of 12; each record links to the provider's NPI and the California license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 246ZN0300X · method

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

Upland has the most, 1

  1. Upland1

Nephrology Specialist/Technologist records in California

  1. Yun ShihUpland, CA 917861295216570

Source: CMS NPPES, primary taxonomy 246ZN0300X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 12 of 12 per resident

  1. Illinois0.0
  2. Pennsylvania0.0
  3. Texas0.0
  4. California0.0
  5. 50 states and D.C.0.0

Source: CMS NPPES, primary taxonomy 246ZN0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

What the count covers

1 NPPES records list nephrology specialist/technologist (246ZN0300X) as their primary taxonomy with a practice address in California: 0 per 100,000 residents against 0 nationally (50 states and D.C.). Upland has 1 of them (100%).

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.

The largest states

  1. New York3
  2. Ohio2
  3. Puerto Rico2
  4. Arkansas1
  5. Illinois1

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.