NPI age
20 years
Enumerated 2006-04-25
● Active
Type 1 · Individual
John F. Villacis, MD
Villacis is 1 of 11 allergy & immunology providers in Austin and 1 of 134 in Texas.
Primary specialty
Allergy & Immunology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-02-09
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 134 active allergy & immunology providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
1
In the 31% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-04Enumerated in NPPES
2006
2026
Where they practice
Practice location
12221 N Mopac Expy
Austin, TX 787582401
Mailing address
12221 N Mopac Expy
Austin, TX 787582401
Specialties
-
Allergy & Immunology PrimaryA physician who specializes in the diagnosis, treatment, and management of allergies.
-
Allergy & ImmunologyAn allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | P00157014 | RRMCR |
| 05 (TX) | 165659701 |
Practice context
Part of a multi-provider practice. 141 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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