NPI age
13 years
Enumerated 2012-07-10
● Active
Type 1 · Individual
DR. Nathan S. Johnston
Johnston is 1 of 391 psychiatry & neurology providers in San Antonio and 1 of 4391 in Texas.
Primary specialty
Psychiatry & Neurology
Plus 1 subspecialty
Licensed in
TX, WA
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-02-03
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
13 years
↓ 3 yr below median (16 yr)
State licenses
2 states
Top 87% — 12% of peers are multi-state
Subspecialties
0
34% of peers hold subspecialties
NPI lifetime · 2012 → 2026
2012-07Enumerated in NPPES
2012
2026
Where they practice
Practice location
23119 W Interstate 10 Bldg 7
San Antonio, TX 782571767
Mailing address
23119 W Interstate 10 Bldg 7
San Antonio, TX 782571767
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...
Practice context
Part of a multi-provider practice. 3 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new psychiatry & neurology providers have been added in San Antonio in the last 180 days.
See all →
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- 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.