Individual provider Active NPI

Anson Ka-Lik Sin, RN

  • Registered Nurse
  • Seattle, WA
National Provider Identifier
1588513170
Registry record updated Jan 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered NurseTaxonomy code 163W00000X
License
RN61648610 Issued in WA
Practice address
1701 18TH Ave S
Seattle, WA 98144-4317
Phone
(253) 833-7444
NPI assigned
Jan 26, 2026
Last updated
Jan 26, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN61648610 WA Primary

Addresses

Primary practice location

1701 18TH Ave S
Seattle, WA 98144-4317

Mailing address

1701 18TH Ave S
Seattle, WA 98144-4317
Phone (253) 833-7444

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
Registered Nurse

State licenses

LicenseStateTypeSpecialty
RN61648610WAMDRegistered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1769385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1588513170",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1701 18TH AVE S",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981444317",
            "telephone_number": "253-833-7444"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1701 18TH AVE S",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981444317",
            "telephone_number": "253-833-7444"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIN",
        "first_name": "ANSON",
        "middle_name": "KA-LIK",
        "name_prefix": "Mr.",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-01-26",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WA",
            "license": "RN61648610",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 2026; 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.