William Yao, M.D.
NPI 1831429893 · Otolaryngology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Yao, M.D. is a Otolaryngology Physician provider in Houston, TX (NPI 1831429893).
Provider details
- NPI number
- 1831429893
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- Q3315 (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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
202 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) |
|---|---|---|
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 88 | $186 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $124 |
| Biopsy Or Removal of Nasal Polyp Or Tissue Using an Endoscope31237 | 35 | $319 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 26 | $169 |
| Computer-Assisted Procedure Outside Membrane Covering Brain61782 | 14 | $176 |
Typical Medicare-allowed amounts for these services range $124–$319 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 115 | 53 |
| Ipratropium Bromide | 85 | 33 |
| Methylprednisolone | 61 | 53 |
| Azelastine Hcl | 49 | 22 |
| Prednisone | 49 | 40 |
| Diclofenac Sodium | 44 | 33 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 39 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33,674 across 48 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
- 2010-01-13
- Last updated
- 2016-04-27
Frequently asked questions
- What is William Yao's NPI number?
- William Yao's National Provider Identifier (NPI) is 1831429893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Yao's specialty?
- William Yao is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is William Yao located?
- William Yao's practice location on file with NPPES is 6400 Fannin St, Houston, TX 77030-1521.
- What is William Yao's phone number?
- The practice phone number listed in the NPPES registry for William Yao is (713) 486-5000.
- Does William Yao accept Medicare?
- William Yao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Yao's NPI active?
- Yes — William Yao's NPI (1831429893) is active in the NPPES registry as of the last update on 2016-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.