Individual provider Active NPI

Fred Isamu Hasegawa, D.D.S.

  • General Practice Dentistry
  • Seattle, WA
National Provider Identifier
1003936733
Registry record updated Aug 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
DE00002856 Issued in WA
Practice address
4743 Rainier Ave S
Seattle, WA 98118-1657
Phone
(206) 723-3340
Fax
(206) 723-3348
NPI assigned
Mar 29, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Dentistry 1223G0001X DE00002856 WA Primary

Addresses

Primary practice location

4743 Rainier Ave S
Seattle, WA 98118-1657

Mailing address

4743 Rainier Ave S
Seattle, WA 98118-1657
Phone (206) 723-3340

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)
Not enrolled

State licenses

LicenseStateTypeSpecialty
DE00002856WAMDGeneral Practice Dentistry

NPI Registry JSON

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

{
    "created_epoch": "1175126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786838400000",
    "number": "1003936733",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4743 RAINIER AVE S",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981181657",
            "telephone_number": "206-723-3340",
            "fax_number": "206-723-3348"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4743 RAINIER AVE S",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981181657",
            "telephone_number": "206-723-3340",
            "fax_number": "206-723-3348"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HASEGAWA",
        "first_name": "FRED",
        "middle_name": "ISAMU",
        "credential": "D.D.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-29",
        "last_updated": "2026-08-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "WA",
            "license": "DE00002856",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 16, 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.