NPI age
19 years
Enumerated 2007-04-03
● Active
Type 1 · Individual
Michael Piesman, M.D.
Piesman is 1 of 10 internal medicine providers in Live Oak and 1 of 1807 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX, IN
2 states
Status
Active
No deactivations on record
Last NPPES update
2018-03-17
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1807 active internal medicine providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
2 states
Top 83% — 17% of peers are multi-state
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-04Enumerated in NPPES
2007
2026
Where they practice
Practice location
12850 Toepperwein Rd
Live Oak, TX 782334115
Mailing address
8415 Datapoint Dr, Suite 1000
San Antonio, TX 782293298
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
855 Proton Rd
San Antonio, TX 782584203
Location 3
5223 Hamilton Wolfe Rd
San Antonio, TX 782294463
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) | 332834YKXJ | MEDICARE PIN |
| 05 (TX) | 331821401 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 12 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.