NPPES file of Aug 9, 2026

Christopher Walton Brennig, M.D.

Vascular Surgery Physician · Austin, TX

Christopher Walton Brennig, M.D. is a vascular surgery physician with a practice address in Austin, Texas, and NPI 1922103159, issued on Sep 13, 2006. Check the license (Texas L5999, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922103159
Name
Christopher Walton Brennig
Credential
M.D.
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License number
L5999 TX
Self-reported in NPPES; status is on the state search
Practice location
7000 North Mopac Expressway, Austin, TX 78731
Phone
(512) 346-8346
Enumerated
Sep 13, 2006
Record last updated
Mar 4, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(512) 346-8343
Medicare enrollment
Enrolled (PECOS I20070302000426); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7000 North Mopac Expressway

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zainab Abdulla, M.D.Internal Medicine Physician1861622979

Verify Christopher Walton Brennig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L5999
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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Christopher Walton Brennig among 368 vascular surgery physician records in Texas

Christopher Walton Brennig, M.D. is one of 368 vascular surgery physician records with a practice address in Texas. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 59% newer
  • In a Medicare fileNo · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated1999 · median 2004 among the 290 with a school on file
  • Record last updated2009 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular Surgery Physician providers in Texas

There are 368 vascular surgery physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 vascular surgery physician records with the nearest ZIP codes

  1. James Harrison, M.D.Austin, TX 787351245232735
  2. Neal Foley, M.D.Austin, TX 787381720076094
  3. Lili Sadri, M.D.Austin, TX 787121356877484
  4. Robert Bridges, M.D.Austin, TX 787561174536817
  5. Phillip Church, M.D.Austin, TX 787561386651206
  6. Mazin Foteh, MDAustin, TX 787561811191794
  7. Jeffrey Jobe, M.D.Austin, TX 787561124042411
  8. David Nation, MDAustin, TX 787561518126234

Common questions

What is Christopher Walton Brennig, M.D.'s NPI number?

Christopher Walton Brennig, M.D.'s National Provider Identifier (NPI) is 1922103159, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Walton Brennig, M.D. located?

The NPPES record lists a practice address at 7000 North Mopac Expressway, Austin, TX, 78731. Phone: (512) 346-8346. Providers update this record themselves, so call before visiting.

How can I verify Christopher Walton Brennig, M.D.'s license?

NPPES lists Texas license number L5999, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.