Nicholas Thomas Thielen, MD
NPI 1326627902ActiveIndividual· Hospitalist· Sioux Falls, SD
Hospitalist (MD) with Sanford Clinic, practicing in Sioux Falls, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $18,634 for 220 claims, against $11,288 paid for services in 2024. Lists Sanford Sheldon Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1326627902 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 2, 2021 |
| Last updated in NPPES | Dec 11, 2024 |
| Certified by provider | Dec 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 15504 | SD |
| Internal Medicine | 207R00000X | 0607 | SD |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | 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 - Hospitalist (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 159 across 6 procedure codes |
| Paid by Medicare | $11,288 |
Part D prescriptions in 2024
| Prescriptions (claims) | 220 · 441 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $18,634 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Sanford ClinicSioux Falls, SD · 268 clinicians
Hospital affiliations
- Sanford Sheldon Medical CenterSheldon, IA
- Sanford Usd Medical CenterSioux Falls, SD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 hospitalists in Sioux Falls · All hospitalists in South Dakota