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Orthopedic Surgery

Robert U. Hartzler, MD

Works at hospitals in San Antonio, TX · Columbus, TX · Seguin, TX … · Texas

Summary

Robert U. Hartzler, MD (Orthopedic Surgery) is listed by Medicare at 5 hospitals in San Antonio, TX, Columbus, TX and Seguin, TX and other places. NPI 1780849372. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Robert U. Hartzler, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
18Years since medical school (graduated 2008)
University Of Texas Southwestern Medical School At DallasMedical school
MaleGender (as listed)
The San Antonio Orthopaedic Group LLPGroup practice

Quick answers

Which hospitals does Robert U. Hartzler work at?
Medicare's official clinician data lists Robert U. Hartzler at 5 hospitals: Baptist Medical Center, Columbus Community Hospital, Guadalupe Regional Medical Center, Peterson Regional Medical Center and Uvalde Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert U. Hartzler see patients?
Medicare's clinician data lists 2 practice locations, including San Antonio, TX. Call before your visit to confirm the address.
What is Robert U. Hartzler's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Robert U. Hartzler accept Medicare assignment?
Yes. Medicare's clinician data says Robert U. Hartzler accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Robert U. Hartzler offer telehealth?
Medicare's clinician data says Robert U. Hartzler offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Robert U. Hartzler?
(210) 804-5400, as listed in official Medicare / NPI Registry data.
What is Robert U. Hartzler's NPI number?
1780849372. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert U. Hartzler works

Medicare's Facility Affiliation Data lists Robert U. Hartzler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Robert U. Hartzler is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Robert U. Hartzler as a member of this group (CMS data updated 2026-10-02).

  • The San Antonio Orthopaedic Group LLP142 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Texas →

Other orthopedic surgeons in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All orthopedic surgeons in San Antonio →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780849372
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians