Nancy Castillo, FNP
NPI 1124404165 · Family Nurse Practitioner · Santa Rosa, CA
Nancy Castillo, FNP is a Family Nurse Practitioner provider in Santa Rosa, CA (NPI 1124404165).
Provider details
- NPI number
- 1124404165
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95002773 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-07-31
- Last updated
- 2015-07-31
Frequently asked questions
- What is Nancy Castillo's NPI number?
- Nancy Castillo's National Provider Identifier (NPI) is 1124404165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Castillo's specialty?
- Nancy Castillo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Castillo located?
- Nancy Castillo's practice location on file with NPPES is 751 Lombardi Ct, Santa Rosa, CA 95407-6798.
- What is Nancy Castillo's phone number?
- The practice phone number listed in the NPPES registry for Nancy Castillo is (707) 547-2222.
- Is Nancy Castillo's NPI active?
- Yes — Nancy Castillo's NPI (1124404165) is active in the NPPES registry as of the last update on 2015-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.