Quick answers
- Does Tanya C. Perez accept Medicare assignment?
- Yes. Medicare's clinician data says Tanya C. Perez 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 Tanya C. Perez see?
- In 2024, CMS data shows 23 Original Medicare patients and 27 services for Tanya C. Perez. This counts Original Medicare only and measures volume, not quality.
- What is Tanya C. Perez's NPI number?
- 1841596400. 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 Tanya C. Perez, 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 | 23 |
|---|---|
| Services billed to Medicare | 27 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)24 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 pressure61%
Practice locations
Addresses where Tanya C. Perez is enrolled with Medicare (CMS data updated October 2, 2026).
- 303 N Frio StSan Antonio, TX 78207 (210) 625‑7200
- 720 Pleasanton RdSan Antonio, TX 78214 (210) 921‑3800
Group practices
Medicare enrollment lists Tanya C. Perez as a member of these groups (CMS data updated October 2, 2026).
- GMG Health Systems Associates PA117 clinicians in the group
- Alamo Area Resource Center Inc5 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in GMG Health Systems Associates PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841596400 |
| 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
- 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