Quick answers
- Does Mackenzie R. Ponnapalli accept Medicare assignment?
- Yes. Medicare's clinician data says Mackenzie R. Ponnapalli 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 Mackenzie R. Ponnapalli's NPI number?
- 1396331302. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mackenzie R. Ponnapalli works
Medicare's Facility Affiliation Data lists Mackenzie R. Ponnapalli 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.
- St David's Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450431
Practice locations
Addresses where Mackenzie R. Ponnapalli is enrolled with Medicare (CMS data updated October 2, 2026).
- 20710 Westheimer PkwyKaty, TX 77450 (281) 646‑9000
- 900 W 38th St, Suite 400Austin, TX 78705 (512) 206‑3600
Group practices
Medicare enrollment lists Mackenzie R. Ponnapalli as a member of these groups (CMS data updated October 2, 2026).
- St Davids Heart and Vascular PLLC203 clinicians in the group
- Houston Cardiovascular Assoc PA82 clinicians in the group
- Memorial City Cardiology Associates PA28 clinicians in the group
Specialties
Find other clinicians: Certified Clinical Nurse Specialist (CNS), Texas →
Other clinical nurse specialists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in St Davids Heart and Vascular PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNS |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396331302 |
| 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