DR. KEITH NEAL SUMNER M.D.
NPI 1013990977
Anesthesiology in San Antonio, TX
About Dr. Keith Neal Sumner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KEITH NEAL SUMNER M.D. (NPI 1013990977) is an individual anesthesiology provider in San Antonio, Texas, licensed in Texas (H6638) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains a secondary practice location in San Antonio.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Dr. Keith Neal Sumner 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.
Medicare Billing Reassignments
4Medicare enrollment records show Keith Sumner reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 2,397 clinicians in this Medicare group
San Antonio, TX 78207
- Reassigned Medicare billing, Texas enrollment
- 1,129 clinicians in this Medicare group
San Antonio, TX 78258
- Reassigned Medicare billing, Texas enrollment
- 226 clinicians in this Medicare group
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
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 7
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.
University Health System
Acute Care Hospitals · San Antonio, 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.
Reported Quality Measures
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.
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 Keith Sumner's NPI number?
The NPI number for Keith Sumner is 1013990977. It was assigned to this individual provider in the NPPES registry on November 23, 2005.
Where is Keith Sumner located?
Keith Sumner practices at 45 NE Loop 410 Suite 900, San Antonio, TX 78216. The listed phone number is (210) 375-7760.
What is Keith Sumner's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Keith Sumner enrolled in Medicare?
Yes. Keith Sumner 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 Keith Sumner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Sumner reassigns Medicare benefits to 4 organizations: University Of Texas Health Science Center At San Antonio (San Antonio, TX), Community Medicine Associates (San Antonio, TX), Tejas Anesthesia PLLC (San Antonio, TX) and U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX). 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 Keith Sumner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keith Sumner accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Community First, Imperial Insurance Companies, Inc. and Oscar Insurance Company list Keith Sumner 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 Keith Sumner affiliated with any hospitals?
According to CMS data, Keith Sumner is affiliated with University Health System.
When was this NPI record last updated?
The NPPES record for Keith Sumner was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 days 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.
# Dr. Keith Neal Sumner, M.D. · NPI 1013990977
Anesthesiology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since November 23, 2005.
## Identity
- **NPI:** 1013990977 (Entity type: Individual)
- **Enumerated:** November 23, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** H6638 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 45 NE LOOP 410, SUITE 900, San Antonio, TX 78216-5832
- **Phone:** (210) 375-7760
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Of Texas Health Science Center At San Antonio (NPI 1396717989, San Antonio, TX); Community Medicine Associates (NPI 1245313329, San Antonio, TX); Tejas Anesthesia PLLC (NPI 1659027910, San Antonio, TX); U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At San Antonio, class of 1988
## Record status
- **NPPES last updated:** September 23, 2026
- **Other identifiers:** Medicaid 1298614-03 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1013990977) · Data from the CMS NPPES public registry.