IndividualActive
Nancy Chang
NPI 1457689861 · Clinical Social Worker · Oakland, CA
Nancy Chang is a Clinical Social Worker provider in Oakland, CA (NPI 1457689861).
Provider details
- NPI number
- 1457689861
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 26387 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(84/100 index)
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
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
3505 Broadway Fl 4
Oakland, CA 94611-5714
Phone: (510) 752-1000
Street-level locationGet directions
Mailing address
280 W Macarthur Blvd
Oakland, CA 94611-5642
Registry dates
- Enumerated
- 2009-11-23
- Last updated
- 2012-12-02
Frequently asked questions
- What is Nancy Chang's NPI number?
- Nancy Chang's National Provider Identifier (NPI) is 1457689861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Chang's specialty?
- Nancy Chang is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Chang located?
- Nancy Chang's practice location on file with NPPES is 3505 Broadway Fl 4, Oakland, CA 94611-5714.
- What is Nancy Chang's phone number?
- The practice phone number listed in the NPPES registry for Nancy Chang is (510) 752-1000.
- Is Nancy Chang's NPI active?
- Yes — Nancy Chang's NPI (1457689861) is active in the NPPES registry as of the last update on 2012-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.