Robert U. Hartzler, M.D.

NPI 1780849372ActiveIndividual· Orthopaedic Surgery· San Antonio, TX

Orthopaedic Surgery (M.D.) in San Antonio, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2008). 510 Medicare patients in 2024, $254,254 paid; all of their 322 Part D prescriptions were generic. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $215,617 in all, mostly royalties and licenses.

Overview

NPI	1780849372
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jul 23, 2008
Last updated in NPPES	Oct 28, 2026
Certified by provider	Oct 28, 2026

Specialties and licenses

Taxonomy	Code	License	State
Orthopaedic Surgery Primary	207X00000X	P7925	TX
Orthopaedic Surgery	207X00000X	51930	MN
Student in an Organized Health Care Education/Training Program	390200000X	—	—
Orthopaedic Surgery	207X00000X	ME115054	FL

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Orthopedic Surgery (TX)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	510
Services billed	3,608 across 49 procedure codes
Paid by Medicare	$254,254

Part D prescriptions in 2024

Prescriptions (claims)	322 · 322 30-day fills
Patients	181
Total drug cost	$1,352
Generic share	100% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Texas Southwestern Medical School at Dallas
Graduation year	2008
Medicare specialty	Orthopedic Surgery
Telehealth	Offers telehealth