WEIHSUN HSU
NPI 1265287056
Occupational Therapist in Seattle, WA

Active since April 23, 2024
1630 43RD AVE E, SEATTLE, WA 98112(206) 329-0770 Get Directions Write a Review

NPPES record last updated: June 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 6, 2026, May 3, 2024, Apr 23, 2024 (3 updates tracked since 2024).

About Weihsun Hsu NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WEIHSUN HSU (NPI 1265287056) is an individual occupational therapist in Seattle, Washington and active in the NPI registry since April 2024. He is a graduate of Other (2018).

NPPES Registry Identity

NPI1265287056
Entity TypeIndividualMale
Primary Taxonomy225X00000X
Provider Legal NameWEIHSUN HSU
Location Address1630 43RD AVE ESeattle, WA 98112-6210
Mailing Address3246 24th Ave WSeattle, WA 98199-2808 · (505) 585-1780
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 23, 2024
Last NPPES UpdateJune 6, 20263 updates tracked since enumeration
NPPES CertifiedJune 6, 2026
✔ NPI 1265287056 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
1630 43RD AVE E, Seattle, WA 98112

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Weihsun Hsu is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133615685
PECOS Enrollment IDI20260105001735

Medicare Billing Reassignment

Medicare enrollment records show Weihsun Hsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinic/Center
5340 N BRISTOL ST
Tacoma, WA 98407
  • Reassigned Medicare billing, Washington enrollment
  • 13 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
1630 43RD AVE E
SEATTLE, WA 98112
Contractor
1630 43RD AVE E
SEATTLE, WA 98112
Physical Therapist
1630 43RD AVE E
SEATTLE, WA 98112
Occupational Therapist
1630 43RD AVE E
SEATTLE, WA 98112
Physical Therapist
1630 43RD AVE E
SEATTLE, WA 98112
Physical Therapy Assistant
1630 43RD AVE E
SEATTLE, WA 98112
Physical Therapist
1630 43RD AVE E
SEATTLE, WA 98112
Physical Therapist
1630 43RD AVE E
SEATTLE, WA 98112

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Weihsun Hsu's NPI number?

The NPI number for Weihsun Hsu is 1265287056. It was assigned to this individual provider in the NPPES registry on April 23, 2024.

Where is Weihsun Hsu located?

Weihsun Hsu practices at 1630 43rd Ave E, Seattle, WA 98112. The listed phone number is (206) 329-0770.

What is Weihsun Hsu's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Weihsun Hsu enrolled in Medicare?

Yes. Weihsun Hsu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Weihsun Hsu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Weihsun Hsu reassigns Medicare benefits to Rehab Specialists Outpatient, LLC (Tacoma, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Weihsun Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Weihsun Hsu was last updated on June 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.