Mary Chang, ASW
NPI 1942644174 · Clinical Social Worker · San Jose, CA
Mary Chang, ASW is a Clinical Social Worker provider in San Jose, CA (NPI 1942644174).
Provider details
- NPI number
- 1942644174
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- ASW
- Sex
- Female
- Sole proprietor
- No
- License
- 78701 (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
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 6120 Woodside AveWoodside, NY 11377-3577Phone: (718) 779-1234
Registry dates
- Enumerated
- 2013-04-18
- Last updated
- 2018-03-17
Frequently asked questions
- What is Mary Chang's NPI number?
- Mary Chang's National Provider Identifier (NPI) is 1942644174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Chang's specialty?
- Mary Chang is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Chang located?
- Mary Chang's practice location on file with NPPES is 2090 Evans Ln, San Jose, CA 95125-2072.
- What is Mary Chang's phone number?
- The practice phone number listed in the NPPES registry for Mary Chang is (408) 793-2400.
- Is Mary Chang's NPI active?
- Yes — Mary Chang's NPI (1942644174) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.