Mark T. Muir, MD

Medicare activity in 2024

Official CMS public-use data for Mark T. Muir, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Critical care, first 30-74 minutes (99291)34 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)24 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)22 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)15 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol70%
• Arthritis51%
• Diabetes50%
• Chronic kidney disease46%
• Ischemic heart disease40%

Hospitals where Mark T. Muir works

Medicare's Facility Affiliation Data lists Mark T. Muir at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• University Health SystemSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450213

Practice locations

Addresses where Mark T. Muir is enrolled with Medicare (CMS data updated October 2, 2026).

• 7703 Floyd Curl DrSan Antonio, TX 78229 (210) 450‑9000

Group practices

Medicare enrollment lists Mark T. Muir as a member of this group (CMS data updated October 2, 2026).

• University of Texas Health Science Center at San Antonio1,297 clinicians in the group

Specialties

• General Surgeryprimary
• Critical Care (Intensivists)also

Find other General Surgery doctors in Texas →

Other general surgeons in San Antonio

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

• Peter J. Altshuler, MD
• Stephen E. Ranney, MD
• Rolando H. Saenz, MD
• Kristen C. Payne, DO
• Gerardo E. Carcamo, MD
• John G. Myers, MD
• Kari E. Smith, MD
• Sabas F. Abuabara, MD

All general surgeons in San Antonio →

Other clinicians in University of Texas Health Science Center at San Antonio

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Ruth C. Serrano Pinilla, MD
• Anna N. Herrera, NP
• Binya Liu, OT
• Peter J. Altshuler, MD
• Heather L. Ramirez, NP
• Elizabeth H. Diaz, PA

Clinician information

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 October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians