Thomas Allen Viereck, CNP
NPI 1518526599ActiveIndividual· Nurse Practitioner· Yankton, SD
Nurse Practitioner (CNP) with Sacred Heart Health Services and 1 other group, practicing in Yankton, South Dakota. 285 Medicare patients in 2024, $46,922 paid; all of their 1,029 Part D prescriptions were generic. Convatec Inc. reported $21.13 in payments in 2025, mostly food and beverage. Lists Avera Sacred Heart Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1518526599 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Jun 12, 2019 |
| Last updated in NPPES | Jul 3, 2020 |
| Certified by provider | Jul 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | CP001582 | SD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 285 |
|---|---|
| Services billed | 8,264 across 76 procedure codes |
| Paid by Medicare | $46,922 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,029 · 1,183 30-day fills |
|---|---|
| Patients | 282 |
| Total drug cost | $5,212 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Sacred Heart Health ServicesYankton, SD · 153 clinicians
- Yankton Medical Clinic PCNorfolk, NE · 59 clinicians
Hospital affiliations
- Avera Sacred Heart HospitalYankton, SD
- Sanford Vermillion Medical CenterVermillion, SD
- St Michael's Hospital - CahTyndall, SD
Industry payments (Open Payments)
- 2025$21.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Convatec Inc. | $21.13 | 1 |
What the 2025 payments were for
- Food and Beverage$21.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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