WILLIAM R THORNTON M.D.
NPI 1184666356
Ophthalmology - Ophthalmic Plastic and Reconstructive Surgery in San Antonio, TX
About William R Thornton M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM R THORNTON M.D. (NPI 1184666356) is an individual ophthalmic plastic and reconstructive surgery provider in San Antonio, Texas, licensed in Texas (D8914) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Antonio.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William R Thornton M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Thornton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 2,397 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78213 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78213
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 Thornton's NPI number?
The NPI number for William Thornton is 1184666356. It was assigned to this individual provider in the NPPES registry on June 12, 2006.
Where is William Thornton located?
William Thornton practices at 2191 NW Military Hwy, San Antonio, TX 78213. The listed phone number is (210) 348-8788.
What is William Thornton's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Ophthalmic Plastic and Reconstructive Surgery, with taxonomy code 207WX0200X.
Is William Thornton enrolled in Medicare?
Yes. William Thornton is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Thornton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Thornton reassigns Medicare benefits to The University Of Texas Health Science Center At San Antonio (San Antonio, TX). The 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 Thornton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Thornton accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 2 other insurers list William Thornton 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.
When was this NPI record last updated?
The NPPES record for William Thornton was last updated on February 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.