Individual provider Active NPI

Siuwai Elaine Siu, MS, RD, CNSC, CSO

  • Registered Dietitian
  • Arcadia, CA
National Provider Identifier
1275345779
Registry record updated Feb 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
License
968867 Issued in CA
Practice address
411 E. Hungtington Dr.,
Ste 107 #1209
Arcadia, CA 91006-8501
Phone
(626) 227-3848
NPI assigned
Jan 22, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 26, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Oncology Nutrition Registered Dietitian 133VN1301X
Registered Dietitian 133V00000X 968867 CA Primary

Addresses

Primary practice location

411 E. Hungtington Dr.,
Ste 107 #1209
Arcadia, CA 91006-8501

Mailing address

411 E. Hungtington Dr.,
Ste 107 #1209
Arcadia, CA 91006-8501
Phone (626) 227-3848

Other practice location 1

518 Diamond St Apt A
Monrovia, CA 91016-8501
Phone (626) 227-3848

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Master of Science

State licenses

LicenseStateTypeSpecialty
968867CAMDRegistered Dietitian

Practice roles

OrganizationSpecialtyStatusNew patients
Fay Nutrition Dietitian, Registered Past Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1737504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740528000000",
    "number": "1275345779",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "411 E. HUNGTINGTON DR.,",
            "address_2": "STE 107 #1209",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910068501",
            "telephone_number": "626-227-3848"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "411 E. HUNGTINGTON DR.,",
            "address_2": "STE 107 #1209",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910068501",
            "telephone_number": "626-227-3848"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "518 Diamond St Apt A",
            "address_purpose": "LOCATION",
            "city": "Monrovia",
            "state": "CA",
            "postal_code": "910168501",
            "country_code": "US",
            "telephone_number": "626-227-3848",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIU",
        "first_name": "SIUWAI",
        "middle_name": "ELAINE",
        "credential": "MS, RD, CNSC, CSO",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-01-22",
        "last_updated": "2025-02-26",
        "certification_date": "2025-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133VN1301X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Oncology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "CA",
            "license": "968867",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Arcadia, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 26, 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.