Individual provider Active NPI

Koji Iizuka, M.D.

  • Psychiatry Physician
  • Honolulu, HI
National Provider Identifier
1811213523
Registry record updated Jun 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
16581 Issued in HI
Practice address
928 Nuuanu Ave Lowr Level
Honolulu, HI 96817-5193
Phone
(808) 728-6618
Fax
(808) 215-4255
NPI assigned
Apr 20, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X EMTL-2020-023 GU
Psychiatry Physician 2084P0800X 16581 HI Primary

Addresses

Primary practice location

928 Nuuanu Ave Lowr Level
Honolulu, HI 96817-5193

Mailing address

Attn: Abs
P.O. Box 60599
Ewa Beach, HI 96706
Phone (808) 664-1104

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in HI, GU2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20200813000723 HI Practitioner - Psychiatry 6103242706 Practice locations: Honolulu, HI
I20210604002662 GU Practitioner - PsychiatryPractitioner - Other (Physician) 6103242706 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Loma Linda University School of Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

928 Nuuanu Ave
Suite LL2
Honolulu, HI 96817-5171
Phone (808) 276-0092

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
16581HIMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
General Conference Corp of Sda CurrentSince Feb 2, 2021 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: koji.iizuka.1@31775.direct.athenahealth.com

Organizations & group practices 1

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

NPI Registry JSON

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

{
    "created_epoch": "1271721600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750723200000",
    "number": "1811213523",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "ATTN: ABS",
            "address_2": "P.O. BOX 60599",
            "city": "EWA BEACH",
            "state": "HI",
            "postal_code": "96706",
            "telephone_number": "808-664-1104",
            "fax_number": "866-592-3149"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "928 NUUANU AVE LOWR LEVEL",
            "city": "HONOLULU",
            "state": "HI",
            "postal_code": "968175193",
            "telephone_number": "808-728-6618",
            "fax_number": "808-215-4255"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "IIZUKA",
        "first_name": "KOJI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-04-20",
        "last_updated": "2025-06-24",
        "certification_date": "2025-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "GU",
            "license": "EMTL-2020-023",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "HI",
            "license": "16581",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Honolulu, HI

Sources for this page

Verify at the official NPI Registry.