James Rosser, LCSW
NPI 1649303926 · Social Worker · Los Angeles, CA
James Rosser, LCSW is a Social Worker provider in Los Angeles, CA (NPI 1649303926).
Provider details
- NPI number
- 1649303926
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- LCS18468 (CA)
Specialties & taxonomies
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
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
Mailing address
Registry dates
- Enumerated
- 2007-03-14
- Last updated
- 2011-09-14
Frequently asked questions
- What is James Rosser's NPI number?
- James Rosser's National Provider Identifier (NPI) is 1649303926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Rosser's specialty?
- James Rosser is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is James Rosser located?
- James Rosser's practice location on file with NPPES is 300 Medical Plz, Los Angeles, CA 90095-0001.
- What is James Rosser's phone number?
- The practice phone number listed in the NPPES registry for James Rosser is (310) 825-9989.
- Is James Rosser's NPI active?
- Yes — James Rosser's NPI (1649303926) is active in the NPPES registry as of the last update on 2011-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.