Individual provider Active NPI

Gavin Hayashi, MD

  • Family Medicine Physician
  • Honolulu, HI
National Provider Identifier
1023747409
Registry record updated Aug 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
94-11015 Issued in KS
Practice address
1710 E West Rd
Honolulu, HI 96822-2317
Phone
(808) 956-8965
NPI assigned
Jun 9, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 31, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 94-11015 KS Primary

Addresses

Primary practice location

1710 E West Rd
Honolulu, HI 96822-2317

Mailing address

1710 E West Rd
Honolulu, HI 96822-2317
Phone (808) 956-8965

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Interoperability endpoints

  • Direct secure messaging: gavin.hayashi@hca3.eclinicaldirectplus.com

NPI Registry JSON

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

{
    "created_epoch": "1654732800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1023747409",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1710 E WEST RD",
            "city": "HONOLULU",
            "state": "HI",
            "postal_code": "968222317",
            "telephone_number": "808-956-8965"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1710 E WEST RD",
            "city": "HONOLULU",
            "state": "HI",
            "postal_code": "968222317",
            "telephone_number": "808-956-8965"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAYASHI",
        "first_name": "GAVIN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-06-09",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "KS",
            "license": "94-11015",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Honolulu, HI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.