Sonoa Au, M.D.
NPI 1720374507 · Dermatology Physician · League City, TX
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonoa Au, M.D. is a Dermatology Physician provider in League City, TX (NPI 1720374507).
Provider details
- NPI number
- 1720374507
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- S7995 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,112 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 | 760 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 275 | $90 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 264 | $43 |
| Destruction of Skin Growth, 1-14 Growths17110 | 248 | $108 |
| Biopsy of Related Skin Growth, First Growth11102 | 170 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 132 | 76 |
| Triamcinolone Acetonide | 51 | 41 |
| Mupirocin | 41 | 40 |
| Hydrocortisone | 39 | 38 |
| Doxycycline Hyclate | 37 | 18 |
| Ciclopirox Olaminebrand: Ciclopirox | 34 | 17 |
| Fluocinonide | 19 | 14 |
| Clobetasol Propionate | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,230 across 78 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
Additional practice locations (3)
- 2051 Greenhouse Rd Ste 270Houston, TX 77084-7573Phone: (281) 665-4444Fax: (281) 392-6766
- 10905 Memorial Hermann Dr Ste 211Pearland, TX 77584-3490Phone: (281) 665-4444Fax: (281) 412-6740
- 1235 Lake Pointe Pkwy Ste 200Sugar Land, TX 77478-4077Phone: (281) 665-4444Fax: (281) 980-0177
Registry dates
- Enumerated
- 2011-06-21
- Last updated
- 2025-06-10
- Certified
- 2025-06-10
Frequently asked questions
- What is Sonoa Au's NPI number?
- Sonoa Au's National Provider Identifier (NPI) is 1720374507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonoa Au's specialty?
- Sonoa Au is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sonoa Au located?
- Sonoa Au's practice location on file with NPPES is 1615 W League City Pkwy Ste 300, League City, TX 77573-7458.
- What is Sonoa Au's phone number?
- The practice phone number listed in the NPPES registry for Sonoa Au is (281) 665-4444.
- Does Sonoa Au accept Medicare?
- Sonoa Au is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonoa Au's NPI active?
- Yes — Sonoa Au's NPI (1720374507) is active in the NPPES registry as of the last update on 2025-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.