IndividualActive
Joseph Chang
NPI 1235794470 · Marriage & Family Therapist · San Jose, CA
Joseph Chang is a Marriage & Family Therapist provider in San Jose, CA (NPI 1235794470).
Provider details
- NPI number
- 1235794470
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 140547 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
950 W Julian St
San Jose, CA 95126-2719
Phone: (408) 292-9353
Street-level locationGet directions
Mailing address
950 W Julian St
San Jose, CA 95126-2719
Registry dates
- Enumerated
- 2019-05-02
- Last updated
- 2023-07-20
- Certified
- 2023-07-20
Frequently asked questions
- What is Joseph Chang's NPI number?
- Joseph Chang's National Provider Identifier (NPI) is 1235794470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Chang's specialty?
- Joseph Chang is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Joseph Chang located?
- Joseph Chang's practice location on file with NPPES is 950 W Julian St, San Jose, CA 95126-2719.
- What is Joseph Chang's phone number?
- The practice phone number listed in the NPPES registry for Joseph Chang is (408) 292-9353.
- Is Joseph Chang's NPI active?
- Yes — Joseph Chang's NPI (1235794470) is active in the NPPES registry as of the last update on 2023-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.