NPI age
12 years
Enumerated 2014-05-13
● Active
Type 1 · Individual
Michael Anthony Herzik, M.D.
Herzik is 1 of 823 internal medicine providers in San Antonio and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX, MS
2 states
Status
Active
No deactivations on record
Last NPPES update
2019-02-25
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
12 years
↓ 5 yr below median (17 yr)
State licenses
2 states
Top 88% — 12% of peers are multi-state
Subspecialties
0
33% of peers hold subspecialties
NPI lifetime · 2014 → 2026
2014-05Enumerated in NPPES
2014
2026
Where they practice
Practice location
12446 West Ave Ste 200
San Antonio, TX 782162530
Mailing address
7330 San Pedro Ave
San Antonio, TX 782166235
Additional practice locations
1 secondary location on file with NPPES.
Location 2
8026 Floyd Curl Dr
San Antonio, TX 782293915
Specialties
-
Internal Medicine PrimaryA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 377321003 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 27 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new internal medicine providers have been added in San Antonio in the last 180 days.
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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.