Grace Tiffany Hsieh Christianson

Primary specialty

DentistTaxonomy code 122300000X

License

DN10000265 Issued in MA

Practice address

63 Main St
Brockton, MA 02301-4042

Phone

(508) 559-6699

NPI assigned

Mar 6, 2023

Last updated

Nov 25, 2025By the provider in NPPES

Sex

Female

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

Medicare enrollment (NPD)

Not enrolled

State licenses

Interoperability endpoints

• Direct secure messaging: gchristianson51906@direct.ctc.masshiway.net

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

{
    "created_epoch": "1678060800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1861192163",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "90 S BORDER RD",
            "city": "MEDFORD",
            "state": "MA",
            "postal_code": "021551630"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "63 MAIN ST",
            "city": "BROCKTON",
            "state": "MA",
            "postal_code": "023014042",
            "telephone_number": "508-559-6699"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHRISTIANSON",
        "first_name": "GRACE",
        "middle_name": "TIFFANY HSIEH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-06",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "MA",
            "license": "DN10000265",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shreekant Chopra, M.D.
• Samar A Choubah, M.D.
• Mona Choukeir, PHARMD
• Christina J Chow
• Jonathan Robert Christiana, M.A.
• Erika Christon, MSW
• Christopher Shoes, Inc
• Voula Eleni Christopoulos, PA-C
• Elizabeth M Chu Hanson, MD
• Wan Fung Chui, MD

• Dentist in Brockton, MA
• Providers in Brockton, MA by specialty
• Dentist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 2025; 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.