Cristina Diaz, FNP
NPI 1326859612 · Family Nurse Practitioner · San Mateo, CA
Cristina Diaz, FNP is a Family Nurse Practitioner provider in San Mateo, CA (NPI 1326859612).
Provider details
- NPI number
- 1326859612
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95089824 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-01-15
- Last updated
- 2025-01-15
- Certified
- 2025-01-15
Frequently asked questions
- What is Cristina Diaz's NPI number?
- Cristina Diaz's National Provider Identifier (NPI) is 1326859612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cristina Diaz's specialty?
- Cristina Diaz is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cristina Diaz located?
- Cristina Diaz's practice location on file with NPPES is 210 Baldwin Ave, San Mateo, CA 94401-3915.
- What is Cristina Diaz's phone number?
- The practice phone number listed in the NPPES registry for Cristina Diaz is (650) 579-6581.
- Is Cristina Diaz's NPI active?
- Yes — Cristina Diaz's NPI (1326859612) is active in the NPPES registry as of the last update on 2025-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.