Quick answers
- Does Erik S. Stubberud accept Medicare assignment?
- Yes. Medicare's clinician data says Erik S. Stubberud 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 Erik S. Stubberud see?
- In 2024, CMS data shows 113 Original Medicare patients and 179 services for Erik S. Stubberud. This counts Original Medicare only and measures volume, not quality.
- What is Erik S. Stubberud's NPI number?
- 1639585375. 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 Erik S. Stubberud, 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 | 113 |
|---|---|
| Services billed to Medicare | 179 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Relocation of arm vein with connection to arm artery for hemodialysis (36821)23 services
- Harvest of vein using an endoscope (33508)17 services
- Coronary artery bypass using artery graft, 1 graft (33533)16 services
- Creation of artery-vein connection using tube graft for hemodialysis (36830)13 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%
- Chronic kidney disease73%
- Ischemic heart disease63%
- Heart failure56%
- Diabetes55%
Hospitals where Erik S. Stubberud works
Medicare's Facility Affiliation Data lists Erik S. Stubberud 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.
- Round Rock Medical CenterRound Rock, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450718
- St David's Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450431
- St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450713
Practice locations
Addresses where Erik S. Stubberud is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1010 W, 40thAustin, TX 78756
- 1010 W 40th StAustin, TX 78756 (512) 459‑8753
- 12221 N Mopac Expressway, North Austin Med CtrAustin, TX 78758 (512) 901‑4001
- 12221 N Mopac ExpyAustin, TX 78758 (512) 901‑4001
- 1401 Medical PkwyCedar Park, TX 78613 (512) 528‑7000
Group practices
Medicare enrollment lists Erik S. Stubberud as a member of these groups (CMS data updated October 2, 2026).
- St Davids Heart and Vascular PLLC203 clinicians in the group
- Cardiothoracic and Vascular Surgeons, PA34 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — 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 | PA |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639585375 |
| 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
- 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