James Greenberg, LCSW
NPI 1619178704 · Social Worker · Oakland, CA
James Greenberg, LCSW is a Social Worker provider in Oakland, CA (NPI 1619178704).
Provider details
- NPI number
- 1619178704
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- LCS 21395 (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
- 2007-05-29
- Last updated
- 2025-04-17
- Certified
- 2025-04-17
Frequently asked questions
- What is James Greenberg's NPI number?
- James Greenberg's National Provider Identifier (NPI) is 1619178704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Greenberg's specialty?
- James Greenberg is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is James Greenberg located?
- James Greenberg's practice location on file with NPPES is 3301 E 12th St Ste 259, Oakland, CA 94601-2940.
- What is James Greenberg's phone number?
- The practice phone number listed in the NPPES registry for James Greenberg is (510) 269-9030.
- Is James Greenberg's NPI active?
- Yes — James Greenberg's NPI (1619178704) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.