Quick answers
- Does Thomas A. Mumpuni-Simes accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas A. Mumpuni-Simes 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 Thomas A. Mumpuni-Simes see?
- In 2024, CMS data shows 40 Original Medicare patients and 1,285 services for Thomas A. Mumpuni-Simes. This counts Original Medicare only and measures volume, not quality.
- What is Thomas A. Mumpuni-Simes's NPI number?
- 1952149627. 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 Thomas A. Mumpuni-Simes, 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 | 40 |
|---|---|
| Services billed to Medicare | 1,285 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes (99347)25 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)20 services
- Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes (99342)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%
- Diabetes58%
- Arthritis55%
- Heart failure53%
- Chronic kidney disease50%
Practice locations
Addresses where Thomas A. Mumpuni-Simes is enrolled with Medicare (CMS data updated October 2, 2026).
- 5900 Balcones Dr, Suite 100Austin, TX 78731 (480) 712‑8319
Group practices
Medicare enrollment lists Thomas A. Mumpuni-Simes as a member of this group (CMS data updated October 2, 2026).
- Athena Medical Group44 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Other clinicians in Athena Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952149627 |
| 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