Quick answers
- Does Wagner Vaz Guimaraes accept Medicare assignment?
- Yes. Medicare's clinician data says Wagner Vaz Guimaraes 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 Wagner Vaz Guimaraes see?
- In 2024, CMS data shows 165 Original Medicare patients and 471 services for Wagner Vaz Guimaraes. This counts Original Medicare only and measures volume, not quality.
- What is Wagner Vaz Guimaraes's NPI number?
- 1659786044. 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 Wagner Vaz Guimaraes, 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 | 165 |
|---|---|
| Services billed to Medicare | 471 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)180 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)146 services
- Hospital discharge day management, more than 30 minutes (99239)77 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)38 services
- Emergency department visit with high level of medical decision making (99285)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 cholesterol75%
- Diabetes65%
- Chronic kidney disease64%
- Ischemic heart disease57%
- Heart failure55%
Hospitals where Wagner Vaz Guimaraes works
Medicare's Facility Affiliation Data lists Wagner Vaz Guimaraes 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.
- Harlingen Medical CenterHarlingen, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450855
- South Texas Health SystemEdinburg, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450119
- Valley Regional Medical CenterBrownsville, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450662
Practice locations
Addresses where Wagner Vaz Guimaraes is enrolled with Medicare (CMS data updated October 2, 2026).
- 3700 W Nolana AveMcAllen, TX 78504 (956) 213‑2700
- 435 W Ridge RdPharr, TX 78577 (956) 403‑5550
- 4702 S McColl RdEdinburg, TX 78539 (956) 213‑2600
- 512 Victoria Ln, Suite 12Harlingen, TX 78550 (956) 440‑6300
- 7700 Floyd Curl DrSan Antonio, TX 78229 (210) 575‑4000
Group practices
Medicare enrollment lists Wagner Vaz Guimaraes as a member of these groups (CMS data updated October 2, 2026).
- Hospital Medicine Services of TX, PLLC378 clinicians in the group
- McAllen Emergency Medicine Associates PA79 clinicians in the group
- Oak Creek Emergency Medicine Associates PA67 clinicians in the group
- Shavano Emergency Medicine Associates, PA46 clinicians in the group
- Hni Medical Services33 clinicians in the group
Specialties
- Hospitalistprimary
- Family Practicealso
Other hospitalists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in Hospital Medicine Services of TX, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659786044 |
| 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