Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Holly Diaz, RN

Individual provider Psychiatric/Mental Health Registered Nurse · NPI 1528772506

Holly Diaz, RN is a Psychiatric/Mental Health Registered Nurse in Eureka, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2023
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

720 Wood St
Eureka, CA 95501-4413
Phone: (707) 268-2990
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0808X · Licence RN95293770 (CA)

Record details

NPI number1528772506
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedJanuary 13, 2023
Last updated in NPPESJanuary 13, 2023
Certification dateJanuary 13, 2023
Mailing address720 Wood St, Eureka, CA 95501-4413

Other providers in Eureka