NPI age
19 years
Enumerated 2006-08-31
● Active
Type 1 · Individual
DR. Brian D Vaillant, MD
Vaillant is 1 of 158 psychiatry & neurology providers in Austin and 1 of 1903 in Texas.
Primary specialty
Psychiatry & Neurology
Plus 1 subspecialty
Licensed in
TX, WA
2 states
Status
Active
No deactivations on record
Last NPPES update
2019-11-04
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1903 active psychiatry & neurology providers in Texas.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
2 states
Top 85% — 14% of peers are multi-state
Subspecialties
0
34% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
900 E 30th St, Ste 100
Austin, TX 787053326
Mailing address
900 E 30th St, Ste 100
Austin, TX 787053326
Specialties
-
Psychiatry & Neurology PrimaryA Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 280334806 | |
| 05 (TX) | 280334802 | |
| 05 (TX) | 280334804 | |
| 05 (TX) | 280334805 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 23 other active providers share this practice address in NPPES.
Recently enumerated nearby: 7 new psychiatry & neurology providers have been added in Austin in the last 180 days.
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.