Quick answers
- Does Viviana S. Ellis accept Medicare assignment?
- Yes. Medicare's clinician data says Viviana S. Ellis 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 Viviana S. Ellis see?
- In 2024, CMS data shows 59 Original Medicare patients and 145 services for Viviana S. Ellis. This counts Original Medicare only and measures volume, not quality.
- What is Viviana S. Ellis's NPI number?
- 1023463981. 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 Viviana S. Ellis, 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 | 59 |
|---|---|
| Services billed to Medicare | 145 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)39 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)21 services
- Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)21 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)19 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 pressure68%
- Arthritis37%
- Diabetes27%
- Ischemic heart disease27%
- Osteoporosis27%
Practice locations
Addresses where Viviana S. Ellis is enrolled with Medicare (CMS data updated October 2, 2026).
- 3903 Wiseman Blvd, Suite 200San Antonio, TX 78251 (210) 684‑4100
- 4458 Medical Dr, Suite 705San Antonio, TX 78229 (210) 614‑1000
Group practices
Medicare enrollment lists Viviana S. Ellis as a member of this group (CMS data updated October 2, 2026).
- Unified Womens Healthcare of Texas PLLC183 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in Unified Womens Healthcare of Texas PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023463981 |
| 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