Hsiao-Siu Chang, MS, OTR/L, CHT
NPI 1487616975 · Occupational Therapist · Lynnwood, WA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hsiao-Siu Chang, MS, OTR/L, CHT is a Occupational Therapist provider in Lynnwood, WA (NPI 1487616975).
Provider details
- NPI number
- 1487616975
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MS, OTR/L, CHT
- Sex
- Female
- Sole proprietor
- No
- License
- OT00003180 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
664 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 279 | $26 |
| Therapy Procedure Using Functional Activities97530 | 257 | $31 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 48 | $25 |
| Application of Electrical Stimulation With Therapist Present, Each 15 Minutes97032 | 44 | $11 |
| Evaluation for Occupational Therapy, Typically 30 Minutes97165 | 23 | $102 |
| Evaluation for Occupational Therapy, Typically 45 Minutes97166 | 13 | $101 |
Typical Medicare-allowed amounts for these services range $11–$102 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 7320 216th St Sw Ste 320Edmonds, WA 98026-8006Phone: (425) 673-3900Fax: (425) 673-3910
- 15808 Mill Creek Blvd Ste 120Mill Creek, WA 98012-1500Phone: (425) 225-6867Fax: (425) 332-2494
Registry dates
- Enumerated
- 2006-04-03
- Last updated
- 2024-03-28
- Certified
- 2024-03-28
Frequently asked questions
- What is Hsiao-Siu Chang's NPI number?
- Hsiao-Siu Chang's National Provider Identifier (NPI) is 1487616975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hsiao-Siu Chang's specialty?
- Hsiao-Siu Chang is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Hsiao-Siu Chang located?
- Hsiao-Siu Chang's practice location on file with NPPES is 19031 33rd Ave W Ste 102, Lynnwood, WA 98036-4731.
- What is Hsiao-Siu Chang's phone number?
- The practice phone number listed in the NPPES registry for Hsiao-Siu Chang is (425) 741-0056.
- Does Hsiao-Siu Chang accept Medicare?
- Hsiao-Siu Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hsiao-Siu Chang's NPI active?
- Yes — Hsiao-Siu Chang's NPI (1487616975) is active in the NPPES registry as of the last update on 2024-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.