Joanne Chao, PSY.D.
NPI 1588979702 · Psychologist · San Francisco, CA
Joanne Chao, PSY.D. is a Psychologist provider in San Francisco, CA (NPI 1588979702).
Provider details
- NPI number
- 1588979702
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PSY18532 (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
15 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)
- 2020 Hayes StSan Francisco, CA 94117-1128Phone: (415) 750-5125Fax: (415) 386-2048
Registry dates
- Enumerated
- 2010-08-12
- Last updated
- 2018-06-04
Frequently asked questions
- What is Joanne Chao's NPI number?
- Joanne Chao's National Provider Identifier (NPI) is 1588979702, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Chao's specialty?
- Joanne Chao is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Joanne Chao located?
- Joanne Chao's practice location on file with NPPES is 1735 Mission St, San Francisco, CA 94103.
- What is Joanne Chao's phone number?
- The practice phone number listed in the NPPES registry for Joanne Chao is (415) 776-1001.
- Is Joanne Chao's NPI active?
- Yes — Joanne Chao's NPI (1588979702) is active in the NPPES registry as of the last update on 2018-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.