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Dr. Mark Bagg, MD

Orthopedic Surgery (Orthopaedic Surgery Physician)

  • Medicare participating

At a glance

Years since graduation
41
In the NPI registry since
2006
Medicare patients seen, 2024
576

Licensed in Texas since 2000, according to the Texas Medical Board. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 1985Medical school: Uniformed Services Uhs Fe Hebert School of Med
  • 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Orthopaedic Surgery Physician primary
    TX license K9221 (first issued 2000; active)
  • Orthopaedic Hand Surgery Physician
    TX license K9221 (first issued 2000; active)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Orthopedic Surgery per capita by county →

Where they work

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
576
Services billed
4,222
Patients’ average age
74
Most frequent Medicare services, 2023
ServiceTimesPatients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg1,738291
New patient office or other outpatient visit, 30-44 minutes199199
Established patient office or other outpatient visit, 20-29 minutes197148
Injection into tendon or ligament193143
X-ray of wrist, minimum of 3 views15585
Aspiration and/or injection of fluid from small joint143105
X-ray of finger, minimum of 2 views12693
New patient office or other outpatient visit, 45-59 minutes107107
X-ray of hand, minimum of 3 views6845
Aspiration and/or injection of fluid from medium joint5140

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 6 companies reported 7 payments worth $361 in total to this clinician.

By company
Arthrosurface Incorporated$119
Trice Medical, Inc.$92.27
Vertex Pharmaceuticals Incorporated$59.07
Mission Medical Distribution, LLC$38.11
Endo USA, Inc.$30.19
Axogen$22.42
By type
Food and Beverage$361

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Texas →

Other Orthopedic Surgery clinicians in San Antonio

Sources

NPI registry (CMS NPPES, November 2026; record last updated December 9, 2024), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1730167479. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.