Wonseok William Choi

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

3013509 Issued in MA

Practice address

800 Washington St
Boston, MA 02111-1552

Phone

(617) 636-5000

NPI assigned

Apr 10, 2020

Sex

Male

Sole proprietor

Yes

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

Enrolled in MA

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

State licenses

Interoperability endpoints

• Direct secure messaging: wchoi19362@gwmfa.direct-ci.com

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

{
    "created_epoch": "1586476800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1687392000000",
    "number": "1801415781",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552",
            "telephone_number": "617-636-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552",
            "telephone_number": "617-636-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2150 Pennsylvania Ave NW",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "200373201",
            "country_code": "US",
            "telephone_number": "202-741-2222",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHOI",
        "first_name": "WONSEOK",
        "middle_name": "WILLIAM",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-04-10",
        "last_updated": "2023-06-22",
        "certification_date": "2023-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MA",
            "license": "3013509",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stephanie Choi
• Suin Choi
• Sung Hwan Choi, MD
• Una Choi
• William Tin-Shing Choi, MD, PHD
• Yoo Jin Choi
• Tanishia Desha Choice, M.D.
• Purav Rajesh Chokhani
• Sukarn Chokkara, MD
• Aalap Chokshi, M.D.

• Hematology & Oncology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Hematology & Oncology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 2023; 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.