IndividualActive
Onna Alexander, LCSW
NPI 1235281486 · Clinical Social Worker · Richmond, CA
Onna Alexander, LCSW is a Clinical Social Worker provider in Richmond, CA (NPI 1235281486).
Provider details
- NPI number
- 1235281486
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 21617 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
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
84 Broadway
Richmond, CA 94804-1910
Phone: (510) 231-7812
Fax: (510) 231-7810
Street-level locationGet directions
Mailing address
84 Broadway
Richmond, CA 94804-1910
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2023-05-03
- Certified
- 2023-05-03
Frequently asked questions
- What is Onna Alexander's NPI number?
- Onna Alexander's National Provider Identifier (NPI) is 1235281486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Onna Alexander's specialty?
- Onna Alexander is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Onna Alexander located?
- Onna Alexander's practice location on file with NPPES is 84 Broadway, Richmond, CA 94804-1910.
- What is Onna Alexander's phone number?
- The practice phone number listed in the NPPES registry for Onna Alexander is (510) 231-7812.
- Is Onna Alexander's NPI active?
- Yes — Onna Alexander's NPI (1235281486) is active in the NPPES registry as of the last update on 2023-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.