Koji Miwa, MD

Primary specialty

Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X

License

345050 Issued in NY

Practice address

300 Longwood Ave
Boston, MA 02115-5724

Phone

(617) 355-6000

NPI assigned

Oct 8, 2025

Last updated

Jul 14, 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 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Specialty

Cardiac Surgery

Education

Other, 2014

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1759881600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1457226599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MIWA",
        "first_name": "KOJI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-10-08",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "NY",
            "license": "345050",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Mittendorf, M.D.
• Murray Allan Mittleman, M.D.
• Julian A Mitton, MD
• Matthew Mitton
• Lyle D Mitzner, M.D.
• David T. Miyamoto, M.D., PH.D.
• Takuma Miyamoto, MD
• Santiago Jose Miyara, MD/PHD
• Alyssa Sui Geen Miyasato, DPM
• Dominie Lea Miyasato, MD

• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Boston, MA
• Providers in Boston, MA by specialty
• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 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.