Winnie Chau
NPI 1669030425 · Physician Assistant · Houston, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Winnie Chau is a Physician Assistant provider in Houston, TX (NPI 1669030425).
Provider details
- NPI number
- 1669030425
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
187 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 64 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $77 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 27 | $38 |
| Destruction of Skin Growth, 1-14 Growths17110 | 23 | $92 |
| Biopsy of Related Skin Growth, First Growth11102 | 17 | $68 |
Typical Medicare-allowed amounts for these services range $5–$92 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 64 | 33 |
| Triamcinolone Acetonide | 52 | 43 |
| Doxycycline Hyclate | 47 | 36 |
| Hydrocortisone | 41 | 30 |
| Fluocinonide | 29 | 27 |
| Clobetasol Propionate | 22 | 15 |
| Cephalexin | 19 | 17 |
| Mometasone Furoate | 13 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,704 across 53 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-05
- Last updated
- 2019-06-05
Frequently asked questions
- What is Winnie Chau's NPI number?
- Winnie Chau's National Provider Identifier (NPI) is 1669030425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winnie Chau's specialty?
- Winnie Chau is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Winnie Chau located?
- Winnie Chau's practice location on file with NPPES is 14910 Windsor Mnr, Houston, TX 77069-2142.
- What is Winnie Chau's phone number?
- The practice phone number listed in the NPPES registry for Winnie Chau is (832) 552-5802.
- Does Winnie Chau accept Medicare?
- Winnie Chau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Winnie Chau's NPI active?
- Yes — Winnie Chau's NPI (1669030425) is active in the NPPES registry as of the last update on 2019-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.