What is Hanna Chang's NPI number?

Hanna Chang's National Provider Identifier (NPI) is 1689232647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Hanna Chang's specialty?

Hanna Chang is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Hanna Chang located?

Hanna Chang's practice location on file with NPPES is 710 Lakeway Dr Ste 200, Sunnyvale, CA 94085-4052.

What is Hanna Chang's phone number?

The practice phone number listed in the NPPES registry for Hanna Chang is (408) 372-6205.

Is Hanna Chang's NPI active?

Yes — Hanna Chang's NPI (1689232647) is active in the NPPES registry as of the last update on 2023-02-17.

IndividualActive

Hanna Chang, PHD

NPI 1689232647 · Psychologist · Sunnyvale, CA

Hanna Chang, PHD is a Psychologist provider in Sunnyvale, CA (NPI 1689232647).

Provider details

NPI number: 1689232647
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Female
Sole proprietor: No
License: 30943 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 30943 (CA)
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

710 Lakeway Dr Ste 200

Sunnyvale, CA 94085-4052

Phone: (408) 372-6205

Street-level locationGet directions

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Mailing address