WILLIAM RADO LEIGHTON JR. MD
NPI 1902958598
Anesthesiology in Houston, TX
About William Rado Leighton Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM RADO LEIGHTON JR. MD (NPI 1902958598) is an individual anesthesiology provider in Houston, Texas, licensed in Texas (L1643) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and maintains a secondary practice location in Oak Lawn.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
William Rado Leighton Jr. Md 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 Leighton 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 77004
- Reassigned Medicare billing, Texas enrollment
- 19 clinicians in this Medicare group
Webster, TX 77598
- Reassigned Medicare billing, Texas enrollment
- 543 clinicians in this Medicare group
Bryan, TX 77802
- Reassigned Medicare billing, Texas enrollment
- 840 clinicians in this Medicare group
San Antonio, TX 78258
- Reassigned Medicare billing, Texas enrollment
- 144 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Texas enrollment
- 1,164 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
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.
Memorial Hermann Hospital System
Acute Care Hospitals · Houston, TXMedicare 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
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 Leighton's NPI number?
The NPI number for William Leighton is 1902958598. It was assigned to this individual provider in the NPPES registry on January 17, 2007.
Where is William Leighton located?
William Leighton practices at 1500 Citywest Blvd Ste. 300, Houston, TX 77042. The listed phone number is (713) 620-4000.
What is William Leighton's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Leighton enrolled in Medicare?
Yes. William Leighton 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 Leighton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Leighton reassigns Medicare benefits to 6 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Aipm Of Houston, PLLC (Houston, TX), Texans Anesthesia Associates PLLC (Webster, TX), Austin Anesthesiology Group PLLC (Bryan, TX), Lone Star Anesthesia Partners PLLC (San Antonio, 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 Leighton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Leighton accept?
Health plans from Blue Cross and Blue Shield of Texas, Community First, Mountain Health CO-OP and Oscar Insurance Company list William Leighton 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 Leighton affiliated with any hospitals?
According to CMS data, William Leighton is affiliated with Memorial Hermann Hospital System.
When was this NPI record last updated?
The NPPES record for William Leighton was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.
# William Rado Leighton Jr., MD · NPI 1902958598
Anesthesiology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since January 17, 2007.
## Identity
- **NPI:** 1902958598 (Entity type: Individual)
- **Enumerated:** January 17, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** L1643 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 CITYWEST BLVD, STE. 300, Houston, TX 77042
- **Phone:** (713) 620-4000 · **Fax:** (713) 458-4229
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); Aipm Of Houston, PLLC (NPI 1073997581, Houston, TX); Texans Anesthesia Associates PLLC (NPI 1275733982, Webster, TX); Austin Anesthesiology Group PLLC (NPI 1528326154, Bryan, TX); Lone Star Anesthesia Partners PLLC (NPI 1124760996, San Antonio, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** June 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1902958598) · Data from the CMS NPPES public registry.