NPI age
16 years
Enumerated 2010-01-13
● Active
Type 1 · Individual
William C Yao, M.D.
Yao is 1 of 190 otolaryngology providers in Houston and 1 of 1024 in Texas.
Primary specialty
Otolaryngology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2016-04-27
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 1024 active otolaryngology providers in Texas.
NPI age
16 years
↓ 3 yr below median (19 yr)
State licenses
1 state
11% of peers hold multiple states
Subspecialties
0
30% of peers hold subspecialties
NPI lifetime · 2010 → 2026
2010-01Enumerated in NPPES
2010
2026
Where they practice
Practice location
6400 Fannin St, Suite 2700
Houston, TX 770301521
Mailing address
6431 Fannin St, Msb 5.036
Houston, TX 770301501
Specialties
-
Otolaryngology PrimaryAn otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures...
Practice context
Part of a multi-provider practice. 171 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new otolaryngology provider has been added in Houston in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.