MRS. HSIAO-SIU CHANG MS, OTR/L, CHT
NPI 1487616975
Occupational Therapist in Lynnwood, WA
About Mrs. Hsiao-siu Chang Ms, Otr/l, Cht NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. HSIAO-SIU CHANG MS, OTR/L, CHT (NPI 1487616975) is an individual occupational therapist in Lynnwood, Washington, licensed in Washington (OT00003180) and active in the NPI registry since April 2006. She maintains 2 additional practice locations and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Hsiao-siu Chang Ms, Otr/l, Cht is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Hsiao-siu Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mountlake Terrace, WA 98043
- Reassigned Medicare billing, Washington enrollment
- 589 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LYNNWOOD, WA 98036
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 Hsiao-siu Chang's NPI number?
The NPI number for Hsiao-siu Chang is 1487616975. It was assigned to this individual provider in the NPPES registry on April 3, 2006.
Where is Hsiao-siu Chang located?
Hsiao-siu Chang practices at 19031 33rd Ave W Ste 102, Lynnwood, WA 98036. The listed phone number is (425) 741-0056.
What is Hsiao-siu Chang's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Hsiao-siu Chang enrolled in Medicare?
Yes. Hsiao-siu Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Hsiao-siu Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hsiao-siu Chang reassigns Medicare benefits to Proliance Surgeons, Inc., P.S. (Mountlake Terrace, 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 Hsiao-siu Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hsiao-siu Chang accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Hsiao-siu Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Hsiao-siu Chang was last updated on March 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.