IndividualActive
Katherine Gruzdiv
NPI 1215888607 · Clinical Social Worker · Oakland, CA
Katherine Gruzdiv is a Clinical Social Worker provider in Oakland, CA (NPI 1215888607).
Provider details
- NPI number
- 1215888607
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
3901 Broadway
Oakland, CA 94611-5615
Phone: (510) 318-7528
Fax: (510) 625-1599
Street-level locationGet directions
Mailing address
3901 Broadway
Oakland, CA 94611-5615
Registry dates
- Enumerated
- 2026-02-03
- Last updated
- 2026-02-03
- Certified
- 2026-02-03
Frequently asked questions
- What is Katherine Gruzdiv's NPI number?
- Katherine Gruzdiv's National Provider Identifier (NPI) is 1215888607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Gruzdiv's specialty?
- Katherine Gruzdiv is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Gruzdiv located?
- Katherine Gruzdiv's practice location on file with NPPES is 3901 Broadway, Oakland, CA 94611-5615.
- What is Katherine Gruzdiv's phone number?
- The practice phone number listed in the NPPES registry for Katherine Gruzdiv is (510) 318-7528.
- Is Katherine Gruzdiv's NPI active?
- Yes — Katherine Gruzdiv's NPI (1215888607) is active in the NPPES registry as of the last update on 2026-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.