Quick answers
- Which hospitals does Brian D. Vaillant work at?
- Medicare's official clinician data lists Brian D. Vaillant at 5 hospitals: Ascension Providence, Ascension Seton Medical Center Austin, Dell Seton Medical Center at the University of TX, North Austin Medical Center and St David's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian D. Vaillant see patients?
- Medicare's clinician data lists 2 practice locations, including Round Rock, TX and Austin, TX. Call before your visit to confirm the address.
- What is Brian D. Vaillant's specialty?
- Medicare lists Neurology as the primary specialty, and also Neuropsychiatry.
- Does Brian D. Vaillant accept Medicare assignment?
- Yes. Medicare's clinician data says Brian D. Vaillant accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Brian D. Vaillant offer telehealth?
- Medicare's clinician data says Brian D. Vaillant offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Brian D. Vaillant?
- (512) 341-8724, as listed in official Medicare / NPI Registry data.
- What is Brian D. Vaillant's NPI number?
- 1922119890. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian D. Vaillant works
Medicare's Facility Affiliation Data lists Brian D. Vaillant at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension ProvidenceWaco, TX · Acute Care Hospital · CCN 450042
- Ascension Seton Medical Center AustinAustin, TX · Acute Care Hospital · CCN 450056
- Dell Seton Medical Center at the University of TXAustin, TX · Acute Care Hospital · CCN 450124
- North Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450809
- St David's Medical CenterAustin, TX · Acute Care Hospital · CCN 450431
Practice locations
Addresses where Brian D. Vaillant is enrolled with Medicare (CMS data updated 2026-10-02).
- 2410 Round Rock Ave, Suite 150Round Rock, TX 78681 (512) 341‑8724
- 901 W 38th St, Suite 200Austin, TX 78705 (512) 421‑4100
Group practices
Medicare enrollment lists Brian D. Vaillant as a member of this group (CMS data updated 2026-10-02).
- Texas Oncology PA1,014 clinicians in the group
Specialties
- Neurologyprimary
- Neuropsychiatryalso
Other neurologists in Round Rock
Clinicians with the same Medicare primary specialty in Round Rock, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1922119890 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians