Antoinette Washington
NPI 1841335890 · Clinical Social Worker · Gardena, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Antoinette Washington is a Clinical Social Worker provider in Gardena, CA (NPI 1841335890).
Provider details
- NPI number
- 1841335890
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
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
Mailing address
Registry dates
- Enumerated
- 2007-02-20
- Last updated
- 2022-11-10
- Certified
- 2022-11-10
Frequently asked questions
- What is Antoinette Washington's NPI number?
- Antoinette Washington's National Provider Identifier (NPI) is 1841335890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Antoinette Washington's specialty?
- Antoinette Washington is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Antoinette Washington located?
- Antoinette Washington's practice location on file with NPPES is 1045 W Redondo Beach Blvd Ste 300, Gardena, CA 90247-4175.
- What is Antoinette Washington's phone number?
- The practice phone number listed in the NPPES registry for Antoinette Washington is (323) 241-6730.
- Does Antoinette Washington accept Medicare?
- Antoinette Washington is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Antoinette Washington's NPI active?
- Yes — Antoinette Washington's NPI (1841335890) is active in the NPPES registry as of the last update on 2022-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.