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

Nancy Castro Castillo, FNP

Individual provider Family Nurse Practitioner · NPI 1124404165

Nancy Castro Castillo, FNP is a Family Nurse Practitioner in Santa Rosa, California. Licensed in California. Registered with an NPI since 2015.

Licensed in
CA
In the registry since
2015
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

751 Lombardi Ct
Santa Rosa, CA 95407-6798
Phone: (707) 547-2222
Fax: (707) 547-2229
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95002773 (CA)

Record details

NPI number1124404165
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJuly 31, 2015
Last updated in NPPESJuly 31, 2015
Mailing address3569 Round Barn Cir, Santa Rosa, CA 95403-5781

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