Sylvia Gribbell, LCSW
NPI 1841501913 · Clinical Social Worker · Los Angeles, CA
Sylvia Gribbell, LCSW is a Clinical Social Worker provider in Los Angeles, CA (NPI 1841501913).
Provider details
- NPI number
- 1841501913
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- ASW 32016 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 3580 Wilshire BlvdSuite 800Los Angeles, CA 90010-2501Phone: (213) 637-5000Fax: (213) 637-5001
- 236 W Mountain St Ste 103Pasadena, CA 91103-2968Phone: (213) 394-5889
Registry dates
- Enumerated
- 2010-06-23
- Last updated
- 2023-01-26
- Certified
- 2023-01-21
Frequently asked questions
- What is Sylvia Gribbell's NPI number?
- Sylvia Gribbell's National Provider Identifier (NPI) is 1841501913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Gribbell's specialty?
- Sylvia Gribbell is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sylvia Gribbell located?
- Sylvia Gribbell's practice location on file with NPPES is E-15 Olvera Street, Los Angeles, CA 90012.
- What is Sylvia Gribbell's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Gribbell is (310) 963-5295.
- Is Sylvia Gribbell's NPI active?
- Yes — Sylvia Gribbell's NPI (1841501913) is active in the NPPES registry as of the last update on 2023-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.