Margaret Hau, OT
NPI 1174504922 · Occupational Therapist · Appleton, WI
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Hau, OT is a Occupational Therapist provider in Appleton, WI (NPI 1174504922).
Provider details
- NPI number
- 1174504922
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OT
- Sex
- Female
- Sole proprietor
- No
- License
- 2160026 (WI)
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
20 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
642 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 Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 232 | $22 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 179 | $20 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 135 | $31 |
| Application of Ultrasound, Each 15 Minutes97035 | 38 | $10 |
| Evaluation for Occupational Therapy, Typically 45 Minutes97166 | 30 | $96 |
| Re-Evaluation for Occupational Therapy, Typically 30 Minutes97168 | 17 | $64 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-09
- Last updated
- 2008-07-18
Frequently asked questions
- What is Margaret Hau's NPI number?
- Margaret Hau's National Provider Identifier (NPI) is 1174504922, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Hau's specialty?
- Margaret Hau is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Margaret Hau located?
- Margaret Hau's practice location on file with NPPES is 2105 E Enterprise Ave, Appleton, WI 54913-7862.
- What is Margaret Hau's phone number?
- The practice phone number listed in the NPPES registry for Margaret Hau is (920) 991-2561.
- Does Margaret Hau accept Medicare?
- Margaret Hau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Hau's NPI active?
- Yes — Margaret Hau's NPI (1174504922) is active in the NPPES registry as of the last update on 2008-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.