Karen Grieff, LCSW
NPI 1366820862 · Clinical Social Worker · Harbor City, CA
Karen Grieff, LCSW is a Clinical Social Worker provider in Harbor City, CA (NPI 1366820862).
Provider details
- NPI number
- 1366820862
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCS 13620 (CA)
Specialties & taxonomies
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
11 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
- 2015-05-15
- Last updated
- 2015-05-15
Frequently asked questions
- What is Karen Grieff's NPI number?
- Karen Grieff's National Provider Identifier (NPI) is 1366820862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Grieff's specialty?
- Karen Grieff is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Karen Grieff located?
- Karen Grieff's practice location on file with NPPES is 25975 Normandie Ave, Harbor City, CA 90710-3416.
- What is Karen Grieff's phone number?
- The practice phone number listed in the NPPES registry for Karen Grieff is (424) 251-7791.
- Is Karen Grieff's NPI active?
- Yes — Karen Grieff's NPI (1366820862) is active in the NPPES registry as of the last update on 2015-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.