Robin Chang, OT
NPI 1881745057 · Occupational Therapist · Seattle, WA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robin Chang, OT is a Occupational Therapist provider in Seattle, WA (NPI 1881745057).
Provider details
- NPI number
- 1881745057
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OT
- Sex
- Female
- Sole proprietor
- No
- License
- OT00001937 (WA)
Specialties & taxonomies
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
370 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 Using Functional Activities97530 | 237 | $32 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 117 | $25 |
| Evaluation for Occupational Therapy, Typically 45 Minutes97166 | 16 | $106 |
Typical Medicare-allowed amounts for these services range $25–$106 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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
Registry dates
- Enumerated
- 2007-01-15
- Last updated
- 2008-04-07
Frequently asked questions
- What is Robin Chang's NPI number?
- Robin Chang's National Provider Identifier (NPI) is 1881745057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robin Chang's specialty?
- Robin Chang is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Robin Chang located?
- Robin Chang's practice location on file with NPPES is 1100 9th Ave, Seattle, WA 98101-2756.
- What is Robin Chang's phone number?
- The practice phone number listed in the NPPES registry for Robin Chang is (206) 223-6600.
- Does Robin Chang accept Medicare?
- Robin Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robin Chang's NPI active?
- Yes — Robin Chang's NPI (1881745057) is active in the NPPES registry as of the last update on 2008-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.