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Arlene Diaz
NPI 1467571356 · Case Manager/Care Coordinator · Lancaster, CA
Arlene Diaz is a Case Manager/Care Coordinator provider in Lancaster, CA (NPI 1467571356).
Provider details
- NPI number
- 1467571356
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
45111 N Fern Ave
Lancaster, CA 93534
Phone: (661) 949-1206
Street-level locationGet directions
Mailing address
5535 W Avenue L14
Quartz Hill, CA 93536-3797
Registry dates
- Enumerated
- 2007-03-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Arlene Diaz's NPI number?
- Arlene Diaz's National Provider Identifier (NPI) is 1467571356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arlene Diaz's specialty?
- Arlene Diaz is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Arlene Diaz located?
- Arlene Diaz's practice location on file with NPPES is 45111 N Fern Ave, Lancaster, CA 93534.
- What is Arlene Diaz's phone number?
- The practice phone number listed in the NPPES registry for Arlene Diaz is (661) 949-1206.
- Is Arlene Diaz's NPI active?
- Yes — Arlene Diaz's NPI (1467571356) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.