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

Dr. Oscar Hsin-Dar Yan, PHD

Individual provider Clinical Psychologist · NPI 1912478025

Dr. Oscar Hsin-Dar Yan, PHD is a Clinical Psychologist in Honolulu, Hawaii. Licensed in Hawaii. Registered with an NPI since 2018.

Licensed in
HI
In the registry since
2018
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

459 Patterson Rd
Honolulu, HI 96819-1522
Phone: (808) 433-0854
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY-1748 (HI)

Record details

NPI number1912478025
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 16, 2018
Last updated in NPPESDecember 16, 2018

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