Hsiao-Siu Chang, MS, OTR/L, CHT
Occupational Therapist · Lynnwood, WA
Hsiao-Siu Chang, MS, OTR/L, CHT is an occupational therapist with a practice address in Lynnwood, Washington, and NPI 1487616975, issued on Apr 3, 2006. Check the license (Washington OT00003180, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hsiao-Siu Chang
- Credential
- MS, OTR/L, CHT
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- OT00003180 WA
Self-reported in NPPES; status is on the state search - Practice location
- 19031 33RD Ave W Ste 102, Lynnwood, WA 98036
- Phone
- (425) 741-0056
- Enumerated
- Apr 3, 2006
- Record last updated
- Mar 28, 2024
- Fax
- (425) 741-0057
- Medicaid ID
- 2126012 WA
- Medicare enrollment
- Enrolled (PECOS I20101202000508); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 3,083 in Washington → Look up another NPI →
Also registered at 19031 33RD Ave W Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Alquist, OTR/L, CHTOccupational Therapist1598955379
- Jessica Scott, OTR/LOccupational Therapist1962087965
- Christine Vande Vrede, OTR/L, CHTOccupational Therapist1669826814
Verify Hsiao-Siu Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license OT00003180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Proliance Surgeons Inc P SMill Creek, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hsiao-Siu Chang among 3,083 occupational therapist records in Washington
Hsiao-Siu Chang, MS, OTR/L, CHT is one of 3,083 occupational therapist records with a practice address in Washington. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated1992 · median 2017 among the 320 with a school on file
- Record last updated2024 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 occupational therapist records list a practice address in Lynnwood
They are 51 of the 2,501 NPPES records with a practice address in Lynnwood, and 3,083 occupational therapist records in Washington.
All 3,083 in Washington → Every provider in Lynnwood → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Julie Allen, OTLynnwood, WA 980361477657567
- Kimberly Alquist, OTR/L, CHTLynnwood, WA 980361598955379
- Margaret Blanchard, OTRLynnwood, WA 980361326174228
- Micayla Didilescu, MS, OTR/LLynnwood, WA 980361841577442
- Nancy Edwards, OTLynnwood, WA 980361629321963
- Elizabeth Ellis, OTR/LLynnwood, WA 980361891094413
- Timothy Garberich, OTLynnwood, WA 980361053457754
- Elizabeth Gardner, OTLynnwood, WA 980361639180441
Common questions
What is Hsiao-Siu Chang, MS, OTR/L, CHT's NPI number?
Hsiao-Siu Chang, MS, OTR/L, CHT's National Provider Identifier (NPI) is 1487616975, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hsiao-Siu Chang, MS, OTR/L, CHT located?
The NPPES record lists a practice address at 19031 33RD Ave W Ste 102, Lynnwood, WA, 98036. Phone: (425) 741-0056. Providers update this record themselves, so call before visiting.
How can I verify Hsiao-Siu Chang, MS, OTR/L, CHT's license?
NPPES lists Washington license number OT00003180, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.