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

Individual provider Clinical Psychologist · NPI 1770273617

Dr. Marissa Sia, PSYD, MA is a Clinical Psychologist in Honolulu, Hawaii. Practices as a sole proprietor. Licensed in Colorado and Hawaii.

Licensed in
CO, HI
In the registry since
2023
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

459 Patterson Rd
Honolulu, HI 96819-1522
Phone: (808) 433-0600
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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-2221 (HI)
Clinical Psychologist Taxonomy 103TC0700X · Licence PSY.0006363 (CO)

Record details

NPI number1770273617
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD , MA
Sole proprietorYes
NPI enumeratedMay 12, 2023
Last updated in NPPESDecember 13, 2024
Certification dateDecember 13, 2024

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