Colleen Siu, PT, DPT, ATC
NPI 1437641974 · Physical Therapist · Seattle, WA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Siu, PT, DPT, ATC is a Physical Therapist provider in Seattle, WA (NPI 1437641974).
Provider details
- NPI number
- 1437641974
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT, DPT, ATC
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Athletic Trainer2255A2300X
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
8 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
883 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 | 446 | $34 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 315 | $27 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 61 | $23 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 40 | $22 |
| Evaluation for Physical Therapy, Typically 20 Minutes97161 | 21 | $106 |
Typical Medicare-allowed amounts for these services range $22–$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
Additional practice locations (1)
- 21078 Blossom WayDiamond Bar, CA 91765-3735Phone: (909) 282-2356
Registry dates
- Enumerated
- 2018-05-31
- Last updated
- 2023-08-17
- Certified
- 2023-08-17
Frequently asked questions
- What is Colleen Siu's NPI number?
- Colleen Siu's National Provider Identifier (NPI) is 1437641974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Siu's specialty?
- Colleen Siu is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Colleen Siu located?
- Colleen Siu's practice location on file with NPPES is 4700 42nd Ave Sw, Seattle, WA 98116-4591.
- What is Colleen Siu's phone number?
- The practice phone number listed in the NPPES registry for Colleen Siu is (206) 933-1030.
- Does Colleen Siu accept Medicare?
- Colleen Siu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Siu's NPI active?
- Yes — Colleen Siu's NPI (1437641974) is active in the NPPES registry as of the last update on 2023-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.