Elizabeth Sierra, LCSW, PPSC
NPI 1770412926 · Clinical Social Worker · Santa Ana, CA
Elizabeth Sierra, LCSW, PPSC is a Clinical Social Worker provider in Santa Ana, CA (NPI 1770412926).
Provider details
- NPI number
- 1770412926
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, PPSC
- Sex
- Female
- Sole proprietor
- No
- License
- 136156 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-05-14
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Elizabeth Sierra's NPI number?
- Elizabeth Sierra's National Provider Identifier (NPI) is 1770412926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Sierra's specialty?
- Elizabeth Sierra is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Elizabeth Sierra located?
- Elizabeth Sierra's practice location on file with NPPES is 4218 W Hazard Ave, Santa Ana, CA 92703-2610.
- What is Elizabeth Sierra's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Sierra is (714) 663-6403.
- Is Elizabeth Sierra's NPI active?
- Yes — Elizabeth Sierra's NPI (1770412926) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.