WILLIAM C YAO M.D.
NPI 1831429893
Otolaryngology in Houston, TX

Q: What is William Yao's NPI number?

The NPI number for William Yao is 1831429893. It was assigned to this individual provider in the NPPES registry on January 13, 2010.

Q: What is William Yao's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Q: When was this NPI record last updated?

The NPPES record for William Yao was last updated on April 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 13, 2010PECOS EnrolledAccepts Medicare Assignment

82.38/100

CMS Quality Rating

6400 FANNIN ST, SUITE 2700, HOUSTON, TX 77030(713) 486-5000(713) 383-1411 Get Directions Write a Review

NPPES record last updated: April 27, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About William C Yao M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM C YAO M.D. (NPI 1831429893) is an individual otolaryngology provider in Houston, Texas, licensed in Texas (Q3315) and active in the NPI registry since January 2010. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of University Of Colorado School Of Medicine, Denver (2009).

NPPES Registry Identity

NPI1831429893

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameWILLIAM C YAOCredential: M.D.

Location Address6400 FANNIN ST, SUITE 2700Houston, TX 77030-1521

Mailing Address6431 Fannin St, Msb 5.036Houston, TX 77030-1501 · (713) 500-5410 · Fax (713) 383-3727

Phone(713) 486-5000

Fax(713) 383-1411

Sole ProprietorYes

Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 2009

Enumeration DateJanuary 13, 2010

Last NPPES UpdateApril 27, 2016

✔ NPI 1831429893 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in TX · Q3315

Definition

An 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 of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

6400 FANNIN ST, Houston, TX 77030

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William C Yao M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153546700

PECOS Enrollment IDI20150701002518

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Diagnostic exam of nasal passages using an endoscope 31231

A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.

88 services69 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

39 services35 patients

Biopsy or removal of nasal polyp or tissue using an endoscope 31237

A nasal biopsy or polyp removal is a procedure where an endoscope, a thin tube with a light and camera, is inserted into the nose. This allows the doctor to see and remove abnormal tissues or polyps, which are small growths. This procedure helps diagnose or treat nasal issues.

35 services20 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

26 services26 patients

Computer-assisted procedure outside membrane covering brain 61782

A computer-assisted procedure outside the brain's membrane involves using advanced technology to help doctors accurately navigate and perform operations near the brain. This method enhances precision, safety, and effectiveness, potentially reducing recovery time.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450068

Location6411 FanninHouston, TX 77030 · Harris County

Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450184

Location1635 North Loop WestHouston, TX 77008 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.38/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

79.23

Promoting Interoperability

100

Improvement Activities

Cost

58.5

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TEXAS MEDICAL CENTER DENTAL

Dentist (General Practice)

6400 FANNIN ST, SUITE 2040
HOUSTON, TX 77030

Harris County (713) 795-0608

SCOTT JAMES RYAN MD

Surgery (Vascular Surgery)

6400 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 486-5100

KRISTIN WHANGER PACINI PA

Physician Assistant (Surgical)

6400 FANNIN ST, 1700
HOUSTON, TX 77030

Harris County (713) 486-1800

DR. RANA OMAR AFIFI MD

Surgery (Vascular Surgery)

6400 FANNIN ST, SUITE NUMBER 2850
HOUSTON, TX 77030

Harris County (713) 486-5100

DR. MICHAEL S SWEENEY M.D.,

Thoracic Surgery (Cardiothoracic Vascular Surgery)

6400 FANNIN ST, STE 3000
HOUSTON, TX 77030

Harris County (713) 790-0841

BAYLOR COLLEGE OF MEDICINE, DEPARTMENT OF ORTHOPEDIC SURGERY

Orthopaedic Surgery

6400 FANNIN ST, SUITE 1620
HOUSTON, TX 77030

Harris County (713) 740-2200

TARA L WEGRYN MD PA

Specialist

6400 FANNIN ST, SUITE 2295
HOUSTON, TX 77030

Harris County (713) 791-9778

JORDANNA ESPANOLA MSN, RN, FNP-C

Nurse Practitioner (Family)

6400 FANNIN ST, SUITE 1400
HOUSTON, TX 77030

Harris County (281) 914-9756

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Yao's NPI number?

The NPI number for William Yao is 1831429893. It was assigned to this individual provider in the NPPES registry on January 13, 2010.

Where is William Yao located?

William Yao practices at 6400 Fannin St Suite 2700, Houston, TX 77030. The listed phone number is (713) 486-5000.

What is William Yao's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is William Yao enrolled in Medicare?

Yes. William Yao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Yao accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list William Yao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Yao affiliated with any hospitals?

According to CMS data, William Yao is affiliated with Memorial Hermann - Texas Medical Center and Memorial Hermann Hospital System.

When was this NPI record last updated?

The NPPES record for William Yao was last updated on April 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.