Colin Hayashi, DDS

Primary specialty

DentistTaxonomy code 122300000X

License

14229065-9926 Issued in UT

Practice address

401 Carpenter Rd
Fort Myer, VA 22211-1009

Phone

(833) 853-1392

NPI assigned

Jul 14, 2025

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1752451200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779840000000",
    "number": "1275424533",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2885 NORTHVIEW AVE",
            "city": "ARROYO GRANDE",
            "state": "CA",
            "postal_code": "934205560",
            "telephone_number": "805-709-8635"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 CARPENTER RD",
            "city": "FORT MYER",
            "state": "VA",
            "postal_code": "222111009",
            "telephone_number": "833-853-1392"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAYASHI",
        "first_name": "COLIN",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-07-14",
        "last_updated": "2026-05-27",
        "certification_date": "2026-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "UT",
            "license": "14229065-9926",
            "primary": true
        },
        {
            "code": "171000000X",
            "taxonomy_group": "",
            "desc": "Military Health Care Provider",
            "state": "MD",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lucy Duckworth
• Evonne T Fei, PSY.D.
• Ft Meade Meddac
• Saira Elisabeth Gardner
• David Bruce Gorski, O.D.
• CHI-Feng Hsieh, MD
• Aaron C Hull, DO
• Stephanie Lynn Johnson, LPN
• Kristine To-Han Khuc, PHARM.D.
• Kimbrough Acc Military MTF

• Dentist in Fort Myer, VA
• Providers in Fort Myer, VA by specialty
• Dentist in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 27, 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.