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

Individual provider Behavior Technician · NPI 1811726110

Dr. Matthew Buan Messier, PSYD is a Clinical Psychologist in Waianae, Hawaii. Qualified in 2023, 3 years ago. Practices with Waianae District Comprehensive Health and Hospital Board Inc, a 161-clinician group and accepts Medicare assignment. Licensed in Hawaii.

Years since qualifying
3
Licensed in
HI
In the registry since
2024
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

86-260 Farrington Hwy
Waianae, HI 96792-3128
Phone: (808) 697-3469
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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-2210 (HI)
Behavior Technician Taxonomy 106S00000X (HI)

Record details

NPI number1811726110
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJuly 26, 2024
Last updated in NPPESJuly 1, 2026
Certification dateJuly 1, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Waianae District Comprehensive Health And Hospital Board Inc. — 161 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Waianae