Individual provider Active NPI

Weihsun Hsu

  • Occupational Therapist
  • Seattle, WA
National Provider Identifier
1265287056
Registry record updated Jun 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational TherapistTaxonomy code 225X00000X
Practice address
1630 43Rd Ave E
Seattle, WA 98112-6210
Phone
(206) 329-0770
NPI assigned
Apr 23, 2024
Last updated
Jun 6, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 6, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapist 225X00000X Primary

Addresses

Primary practice location

1630 43Rd Ave E
Seattle, WA 98112-6210

Mailing address

3246 24TH Ave W
Seattle, WA 98199-2808
Phone (505) 585-1780

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260105001735 WA Practitioner - Occupational Therapist in Private Practice 9133615685 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Occupational Therapist in Private Practice
Education
Other, 2018
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

3246 24TH Ave W
Seattle, WA 98199-2808

4560 SE International Way
Suite 100
Milwaukie, OR 97222-4628

6720 E Green Lake Way N
Seattle, WA 98103-5439

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Rehab Specialists Outpatient, LLC Occupational Therapist CurrentSince Jan 1, 2026 Accepting new patients
Rehab Specialists Outpatient, LLC Occupational Therapist CurrentSince Jan 1, 2026 Accepting new patients

Locations

4560 SE International Way
Ste 100
Portland, OR 97222
Phone (971) 206-5129

116 Fairview Ave N
Seattle, WA 98109
Phone (206) 254-1400

Organizations & group practices 2

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": "1713830400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780704000000",
    "number": "1265287056",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3246 24TH AVE W",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981992808",
            "telephone_number": "505-585-1780"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1630 43RD AVE E",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981126210",
            "telephone_number": "206-329-0770"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HSU",
        "first_name": "WEIHSUN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-04-23",
        "last_updated": "2026-06-06",
        "certification_date": "2026-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": null,
            "license": null,
            "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 Jun 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.