Quick answers
- Where does Hsiao-Siu Chang see patients?
- Medicare's clinician data lists 2 practice locations, including Mill Creek, WA and Edmonds, WA. Call before your visit to confirm the address.
- What is Hsiao-Siu Chang's specialty?
- Medicare lists Occupational Therapist in Private Practice as the primary specialty.
- Does Hsiao-Siu Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Hsiao-Siu Chang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Hsiao-Siu Chang?
- (425) 225-6867, as listed in official Medicare / NPI Registry data.
- What is Hsiao-Siu Chang's NPI number?
- 1487616975. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Hsiao-Siu Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 15808 Mill Creek Blvd, Suite 120Mill Creek, WA 98012 (425) 225‑6867
- 190 W Dayton St, Suite 202Edmonds, WA 98020 (425) 582‑8118
Group practices
Medicare enrollment lists Hsiao-Siu Chang as a member of this group (CMS data updated 2026-10-02).
- Proliance Surgeons Inc P S397 clinicians in the group
Specialties
Find other clinicians: Occupational Therapist in Private Practice, Washington →
Other occupational therapists in Mill Creek
Clinicians with the same Medicare primary specialty in Mill Creek, WA — not a recommendation.
Clinician information
| Credential | OT |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487616975 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians