Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Royce Gabrielle B Castronuevo, FNP

Individual provider Nurse Practitioner · NPI 1134023351

Royce Gabrielle B Castronuevo, FNP is a Nurse Practitioner in Roseville, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2026
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

3033 Blue Opal Cir
Roseville, CA 95747-6698
Phone: (667) 378-1857
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 95041807 (CA)

Record details

NPI number1134023351
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorYes
NPI enumeratedOctober 3, 2026
Last updated in NPPESOctober 3, 2026
Certification dateOctober 3, 2026

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