Matthew Messier, PSYD
NPI 1811726110 · Clinical Psychologist · Waianae, HI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Messier, PSYD is a Clinical Psychologist provider in Waianae, HI (NPI 1811726110).
Provider details
- NPI number
- 1811726110
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- No
- License
- PSY-2210 (HI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Behavior Technician106S00000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
Mailing address
Registry dates
- Enumerated
- 2024-07-26
- Last updated
- 2024-10-11
- Certified
- 2024-10-11
Frequently asked questions
- What is Matthew Messier's NPI number?
- Matthew Messier's National Provider Identifier (NPI) is 1811726110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Messier's specialty?
- Matthew Messier is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Messier located?
- Matthew Messier's practice location on file with NPPES is 86-260 Farrington Hwy, Waianae, HI 96792-3128.
- What is Matthew Messier's phone number?
- The practice phone number listed in the NPPES registry for Matthew Messier is (808) 697-3469.
- Does Matthew Messier accept Medicare?
- Matthew Messier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Messier's NPI active?
- Yes — Matthew Messier's NPI (1811726110) is active in the NPPES registry as of the last update on 2024-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.