NPI age
14 years
Enumerated 2012-04-11
● Active
Type 1 · Individual
Alison Unzeitig Barron, MD
Barron is 1 of 22 surgery providers in San Antonio and 1 of 223 in Texas.
Primary specialty
Surgery
Plus 2 subspecialties
Licensed in
TX, MN
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-09-18
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 223 active surgery providers in Texas.
NPI age
14 years
↓ 4 yr below median (18 yr)
State licenses
2 states
Top 67% — 32% of peers are multi-state
Subspecialties
1
In the 61% of peers with subspecialties
NPI lifetime · 2012 → 2026
2012-04Enumerated in NPPES
2012
2026
Where they practice
Practice location
18707 Hardy Oak Blvd Ste 320
San Antonio, TX 782584890
Mailing address
Po Box 911230
Dallas, TX 753911230
Additional practice locations
3 secondary locations on file with NPPES.
Location 2
200 1st St Sw
Rochester, MN 559050001
Location 3
4352 N Josey Ln
Carrollton, TX 750104602
Location 4
3410 Worth St Ste 160
Dallas, TX 75246
Specialties
-
Surgery PrimaryA surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major...
-
SurgeryA general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 390718001 | |
| 05 (TX) | 390718002 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 3 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 →
- 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.