Erika Mercier
NPI 1407404809 · Clinical Social Worker · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erika Mercier is a Clinical Social Worker provider in Los Angeles, CA (NPI 1407404809).
Provider details
- NPI number
- 1407404809
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 116221 (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
6 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
- 2019-08-28
- Last updated
- 2025-06-06
- Certified
- 2025-06-06
Frequently asked questions
- What is Erika Mercier's NPI number?
- Erika Mercier's National Provider Identifier (NPI) is 1407404809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erika Mercier's specialty?
- Erika Mercier is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Erika Mercier located?
- Erika Mercier's practice location on file with NPPES is 222 S Hill St, Los Angeles, CA 90012-3506.
- What is Erika Mercier's phone number?
- The practice phone number listed in the NPPES registry for Erika Mercier is (323) 544-3181.
- Does Erika Mercier accept Medicare?
- Erika Mercier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erika Mercier's NPI active?
- Yes — Erika Mercier's NPI (1407404809) is active in the NPPES registry as of the last update on 2025-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.