Quick answers
- Does Viviana I. Macias accept Medicare assignment?
- Yes. Medicare's clinician data says Viviana I. Macias 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.
- What is Viviana I. Macias's NPI number?
- 1831885565. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Viviana I. Macias works
Medicare's Facility Affiliation Data lists Viviana I. Macias 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.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
- Westover Hills Baptist HospitalSan Antonio, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 670333
Practice locations
Addresses where Viviana I. Macias is enrolled with Medicare (CMS data updated October 2, 2026).
- 111 Dallas StSan Antonio, TX 78205 (408) 839‑5887
- 16620 San Pedro Ave, Suite 300San Antonio, TX 78232 (210) 871‑4701
- 3636 Medical DrSan Antonio, TX 78229 (408) 839‑5887
Group practices
Medicare enrollment lists Viviana I. Macias as a member of these groups (CMS data updated October 2, 2026).
- Inpatient Progressive Health of America, PLLC74 clinicians in the group
- Brett Helmonds DO PLLC10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in Inpatient Progressive Health of America, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831885565 |
| 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
- 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