California recorded 8 NPI deactivations for nurses during the week of March 23-29, 2026. This figure represents 11% of all national nurse NPI deactivations for the period. All 8 deactivations were for individual providers, with no organizational NPIs affected in the state.
Deactivation Details
The most frequent taxonomy code among the deactivated NPIs was 163W00000X, which designates a Registered Nurse. This specific taxonomy accounted for 4 deactivations, or 50% of the total for the week. Other taxonomies observed included 163WA0400X (Registered Nurse, Home Health), 363L00000X (Nurse Practitioner), 163WP0808X (Registered Nurse, Public Health), and 363LF0000X (Nurse Practitioner, Family). Each of these additional specific taxonomies saw 1 deactivation during the reporting period.
Geographically, the deactivations were broadly distributed across California. Cities such as Santa Ana, Fontana, San Diego, Chatsworth, and Stockton each recorded 1 deactivation. This distribution indicates that no single urban center or specific region experienced a concentrated number of these administrative changes within the nursing profession this week.
NPI deactivations are administrative updates within the federal NPPES registry. They reflect changes in a provider's NPI status and do not automatically signify a cessation of practice or a license action.
