Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Hanna Yun-Han Chang, PHD

Individual provider Psychologist · NPI 1689232647

Dr. Hanna Yun-Han Chang, PHD is a Psychologist in Sunnyvale, California. Licensed in California. Registered with an NPI since 2019.

Licensed in
CA
In the registry since
2019
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

710 Lakeway Dr Ste 200
Sunnyvale, CA 94085-4052
Phone: (408) 372-6205
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 30943 (CA)

Record details

NPI number1689232647
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 4, 2019
Last updated in NPPESFebruary 17, 2023
Certification dateFebruary 1, 2023

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