NPI age
19 years
Enumerated 2006-08-31
● Active
Type 1 · Individual
Barry Joseph Mills, M.D.
Mills is 1 of 10 psychiatry & neurology providers in San Marcos and 1 of 4391 in Texas.
Primary specialty
Psychiatry & Neurology
Plus 2 subspecialties
Licensed in
TX, MA, CA
3 states
Status
Active
No deactivations on record
Last NPPES update
2026-01-09
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 4391 active psychiatry & neurology providers in Texas.
NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
3 states
Top 87% — 12% 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
151 Stagecoach Trl Ste 220
San Marcos, TX 786663863
Mailing address
200 S Oakridge Dr Ste 101-601
Hudson Oaks, TX 760871794
Additional practice locations
3 secondary locations on file with NPPES.
Location 2
1332 De La Vina St
Santa Barbara, CA 931013121
Location 3
200 S Oakridge Dr Ste 101-601
Hudson Oaks, TX 760871794
Location 4
5901 Encina Rd Ste A
Goleta, CA 931172270
Specialties
-
Psychiatry & Neurology PrimaryA Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 124990608 | |
| 05 (TX) | 124990609 |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 11 other active providers share this practice address in NPPES.
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