Matthew Buan Messier, PSYD

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY-2210 Issued in HI

Practice address

86-260 Farrington Hwy
Waianae, HI 96792-3128

Phone

(808) 697-3469

NPI assigned

Jul 26, 2024

Last updated

Jul 1, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in HI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Waianae District Comprehensive Health and Hospital Board IncorporatedGroup PAC ID 9931008349, 162 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: matthew.messier.p1@direct.wcchc.nextgenshare.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Waianae District Comprehensive Health and Hospital Board, Inc

  dba Waianae Coast Comprehensive Health Center

  • Family Medicine Physician
  • Waianae, HI
  • NPI 1275566424
  Medicare reassignment Care Compare group NPD
• Waianae District Comprehensive Health and Hospital Board, Incorporated

  dba Nanaikapono Elementary School School-Based Health Center

  • Clinic/Center
  • Waianae, HI
  • NPI 1356115000
  NPD
• Waianae District Comprehensive Health and Hospital Board, Incorporated

  dba Waianae Elementary School

  • Federally Qualified Health Center (FQHC)
  • Waianae, HI
  • NPI 1710709365
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1721952000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782864000000",
    "number": "1811726110",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "86-260 FARRINGTON HWY",
            "city": "WAIANAE",
            "state": "HI",
            "postal_code": "967923128",
            "telephone_number": "808-697-3469"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "86-260 FARRINGTON HWY",
            "city": "WAIANAE",
            "state": "HI",
            "postal_code": "967923128",
            "telephone_number": "808-697-3469"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESSIER",
        "first_name": "MATTHEW",
        "middle_name": "BUAN",
        "name_prefix": "Dr.",
        "credential": "PSYD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-07-26",
        "last_updated": "2026-07-01",
        "certification_date": "2026-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "HI",
            "license": "PSY-2210",
            "primary": true
        },
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": "HI",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Patricia Kay McKenzie, APRN
• Joseph C McLary, PA-C
• Stacy Melton
• Mary Grace Mendoza, NP
• Jordan Messier, PSYD
• John Meteer
• Richanda Mikaele
• Erica Milikaa-Keo
• Waioli Rose Charlotte Misajon
• Jason Mitchell

• Clinical Psychologist in Waianae, HI
• Providers in Waianae, HI by specialty
• Clinical Psychologist in Hawaii

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.