Lily Diaz, RN
NPI 1912589136 · Critical Care Medicine Registered Nurse · Fountain Valley, CA
Lily Diaz, RN is a Critical Care Medicine Registered Nurse provider in Fountain Valley, CA (NPI 1912589136).
Provider details
- NPI number
- 1912589136
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 95113104 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2021-04-27
- Last updated
- 2021-04-27
- Certified
- 2021-04-27
Frequently asked questions
- What is Lily Diaz's NPI number?
- Lily Diaz's National Provider Identifier (NPI) is 1912589136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lily Diaz's specialty?
- Lily Diaz is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).
- Where is Lily Diaz located?
- Lily Diaz's practice location on file with NPPES is 18111 Brookhurst St, Fountain Valley, CA 92708-6728.
- What is Lily Diaz's phone number?
- The practice phone number listed in the NPPES registry for Lily Diaz is (714) 378-7000.
- Is Lily Diaz's NPI active?
- Yes — Lily Diaz's NPI (1912589136) is active in the NPPES registry as of the last update on 2021-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.