Viviana Macias
NPI 1831885565 · Acute Care Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Viviana Macias is a Acute Care Nurse Practitioner provider in San Antonio, TX (NPI 1831885565).
Provider details
- NPI number
- 1831885565
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 739382 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 31 | 31 |
| Atorvastatin Calcium | 21 | 17 |
| Tamsulosin Hcl | 16 | 14 |
| Levofloxacin | 13 | 13 |
| Amlodipine Besylate | 12 | 12 |
| Metoprolol Tartrate | 12 | 12 |
| Carvedilol | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-04-14
- Last updated
- 2024-12-03
- Certified
- 2024-12-03
Frequently asked questions
- What is Viviana Macias's NPI number?
- Viviana Macias's National Provider Identifier (NPI) is 1831885565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Viviana Macias's specialty?
- Viviana Macias is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Viviana Macias located?
- Viviana Macias's practice location on file with NPPES is 444 Channing Ave, San Antonio, TX 78210-5408.
- What is Viviana Macias's phone number?
- The practice phone number listed in the NPPES registry for Viviana Macias is (210) 573-2721.
- Does Viviana Macias accept Medicare?
- Viviana Macias is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Viviana Macias's NPI active?
- Yes — Viviana Macias's NPI (1831885565) is active in the NPPES registry as of the last update on 2024-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.