MR. WILLIAM B EZELL CRNA
NPI 1710975941
Nurse Anesthetist, Certified Registered in Houston, TX
About Mr. William B Ezell Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM B EZELL CRNA (NPI 1710975941) is an individual nurse anesthetist, certified registered in Houston, Texas, licensed in Texas (AP110320) and active in the NPI registry since October 2005. He is affiliated with Houston Methodist The Woodlands Hospital, maintains a secondary practice location in Houston, and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. William B Ezell Crna 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.
Medicare Billing Reassignments
6Medicare enrollment records show William Ezell reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
Houston, TX 77069
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Bayou Anesthesia And Pain PA
- 151 clinicians in this Medicare group
Houston, TX 77069
- Reassigned Medicare billing, Texas enrollment
- 260 clinicians in this Medicare group
Conroe, TX 77304
- Reassigned Medicare billing, Texas enrollment
- 30 clinicians in this Medicare group
Conroe, TX 77304
- Reassigned Medicare billing, Texas enrollment
- 5 clinicians in this Medicare group
Bryan, TX 77802
- Reassigned Medicare billing, Texas enrollment
- 840 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist The Woodlands Hospital
Acute Care Hospitals · The Woodlands, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
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 Ezell's NPI number?
The NPI number for William Ezell is 1710975941. It was assigned to this individual provider in the NPPES registry on October 11, 2005.
Where is William Ezell located?
William Ezell practices at 1500 Citywest Blvd Ste 300, Houston, TX 77042. The listed phone number is (713) 620-4000.
What is William Ezell's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is William Ezell enrolled in Medicare?
Yes. William Ezell 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.
Which organizations bill Medicare for William Ezell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Ezell reassigns Medicare benefits to 6 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Bayou Anesthesia And Pain P.A. (Houston, TX), Northwest Anesthesiology & Pain Services, P.A. (Houston, TX), Usm Anesthesia Associates LLC (Conroe, TX), Poa Anesthesia PLLC (Conroe, TX) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Ezell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Ezell accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list William Ezell 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 Ezell affiliated with any hospitals?
According to CMS data, William Ezell is affiliated with Houston Methodist The Woodlands Hospital.
When was this NPI record last updated?
The NPPES record for William Ezell was last updated on April 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mr. William B Ezell, CRNA · NPI 1710975941
Nurse Anesthetist, Certified Registered physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since October 11, 2005.
## Identity
- **NPI:** 1710975941 (Entity type: Individual)
- **Enumerated:** October 11, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP110320 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 CITYWEST BLVD STE 300, Houston, TX 77042-2549
- **Phone:** (713) 620-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Bayou Anesthesia And Pain P.A. (NPI 1114977139, Houston, TX); Northwest Anesthesiology & Pain Services, P.A. (NPI 1629027511, Houston, TX); Usm Anesthesia Associates LLC (NPI 1255562021, Conroe, TX); Poa Anesthesia PLLC (NPI 1255040101, Conroe, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** April 28, 2020
- **Other identifiers:** Medicaid 002965402 (TX); Medicaid 002965407 (TX); Medicaid 002965408 (TX); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1710975941) · Data from the CMS NPPES public registry.