NPI age
19 years
Enumerated 2007-03-23
● Active Type 2 · Organization
Southwest Gastoenterology PA
Southwest Gastoenterology PA is 1 of 1807 internal medicine organizations in Texas.
Primary specialty
Internal Medicine
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Tsen
President
Last NPPES update
2023-03-07
Source: monthly bulk 2026-05
How this organization compares
Across 1807 active internal medicine providers in Texas.
NPI age
19 years
≈ at median (19 yr)
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2007 → 2026
2007-03Enumerated in NPPES
2007
2026
Where they practice
Primary practice location
911 S State Hwy 123 Bypass
Seguin, TX 781559754
Mailing address
Po Box 2256
Seguin, TX 781562256
Authorized official
Tony N Tsen, MD
President
📞 8303729042
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | F58934 | UPIN |
| 05 (TX) | 131242306 | |
| 01 (TX) | J8152 | TEXAS MEDICAL LICENSE # |
| 01 (TX) | V0091792 | DPS |
Other names on file (1)
Doing-business-as, former, and alternate names recorded by NPPES.
-
Tony N Tsen MD
Practice context
Single-site organization. Only one practice location on file.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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