NPI age
17 years
Enumerated 2008-07-23
● Active
Type 1 · Individual
Robert U Hartzler, M.D.
Hartzler is 1 of 215 orthopaedic surgery providers in San Antonio and 1 of 2473 in Texas.
Primary specialty
Orthopaedic Surgery
Plus 3 subspecialties
Licensed in
TX, FL, MN
3 states
Status
Active
No deactivations on record
Last NPPES update
2021-07-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 2473 active orthopaedic surgery providers in Texas.
NPI age
17 years
≈ at median (18 yr)
State licenses
3 states
Top 89% — 10% of peers are multi-state
Subspecialties
1
In the 33% of peers with subspecialties
NPI lifetime · 2008 → 2026
2008-07Enumerated in NPPES
2008
2026
Where they practice
Practice location
400 Concord Plaza Dr, Suite 300
San Antonio, TX 782166905
Mailing address
400 Concord Plaza Dr, Suite 300
San Antonio, TX 782166905
Specialties
-
Orthopaedic Surgery PrimaryAn orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (IA) | ENROLLED | |
| 05 (WI) | ENROLLED | |
| 05 (MN) | ENROLLED | |
| 01 (MN) | P01034518 | RAILROAD MEDICARE |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 20 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.