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Hui-Tsun Chang, PH.D.
NPI 1235291022 · Clinical Psychologist · Palo Alto, CA
Hui-Tsun Chang, PH.D. is a Clinical Psychologist provider in Palo Alto, CA (NPI 1235291022).
Provider details
- NPI number
- 1235291022
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY 20663 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
650 Clark Way
Palo Alto, CA 94304-2300
Phone: (650) 326-5530
Fax: (650) 688-3669
Approximate (ZIP-level) locationGet directions
Mailing address
650 Clark Way
Palo Alto, CA 94304-2300
Registry dates
- Enumerated
- 2006-12-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Hui-Tsun Chang's NPI number?
- Hui-Tsun Chang's National Provider Identifier (NPI) is 1235291022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hui-Tsun Chang's specialty?
- Hui-Tsun Chang is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Hui-Tsun Chang located?
- Hui-Tsun Chang's practice location on file with NPPES is 650 Clark Way, Palo Alto, CA 94304-2300.
- What is Hui-Tsun Chang's phone number?
- The practice phone number listed in the NPPES registry for Hui-Tsun Chang is (650) 326-5530.
- Is Hui-Tsun Chang's NPI active?
- Yes — Hui-Tsun Chang's NPI (1235291022) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.