Tommy Tienchi Chiou, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

MD.MD.70097945 Issued in WA

Practice address

1959 NE Pacific St
Seattle, WA 98195-6422

Phone

(206) 685-1397

NPI assigned

May 25, 2023

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

Enrolled in IL

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 1

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": "1684972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1023700242",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1959 NE PACIFIC ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981956422",
            "telephone_number": "206-685-1397"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1959 NE PACIFIC ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981956422",
            "telephone_number": "206-685-1397"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHIOU",
        "first_name": "TOMMY",
        "middle_name": "TIENCHI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-05-25",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "WA",
            "license": "MD.MD.70097945",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tamara A Chinn, ARNP
• Robert B. Chinnapongse, MD
• Julie Anne Chinnock, CRNA, ND
• Chu-Lan Chiong, L.AC.
• Kenneth Chiou, MD
• Jacqueline Tanya Chipkin, MD
• Anne Katherine Chipman, M.D.
• Keith Chirgwin, MD
• Eva Chirinos, MSW
• Katie Chirkova, MD

• Cardiovascular Disease Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Cardiovascular Disease Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.