Quick answers
- Does Tracy C. Villarreal accept Medicare assignment?
- Yes. Medicare's clinician data says Tracy C. Villarreal accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Tracy C. Villarreal see?
- In 2024, CMS data shows 513 Original Medicare patients and 517 services for Tracy C. Villarreal. This counts Original Medicare only and measures volume, not quality.
- What is Tracy C. Villarreal's NPI number?
- 1346596004. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tracy C. Villarreal, 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.
| Original Medicare patients | 513 |
|---|---|
| Services billed to Medicare | 517 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for other procedure on large bowel using an endoscope (00811)207 services
- Anesthesia for procedure on small and large bowel using an endoscope (00813)109 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)106 services
- Anesthesia for exam of colon using an endoscope (00812)90 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 cholesterol75%
- High blood pressure64%
- Arthritis44%
- Ischemic heart disease27%
- Diabetes26%
- Chronic kidney disease20%
Hospitals where Tracy C. Villarreal works
Medicare's Facility Affiliation Data lists Tracy C. Villarreal 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 Tracy C. Villarreal is enrolled with Medicare (CMS data updated October 2, 2026).
- 4411 Medical Dr, Suite 200San Antonio, TX 78229 (210) 575‑4584
- 4502 Medical DrSan Antonio, TX 78229 (210) 358‑2015
- 5223 Hamilton Wolfe RdSan Antonio, TX 78229 (210) 614‑1234
Group practices
Medicare enrollment lists Tracy C. Villarreal as a member of these groups (CMS data updated October 2, 2026).
- Community Medicine Associates605 clinicians in the group
- Orthomed Staffing LLC416 clinicians in the group
- Endo Sedation LLC293 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Texas →
Other nurse anesthetists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in Community Medicine Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346596004 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians