Per Oskar Ilja Von Schewelov Wallen, MD
NPI 1740973114ActiveIndividual· Hospitalist· Waterloo, IA
Hospitalist (MD) in Waterloo, Iowa, licensed in IA, with an NPI issued in May 2023. Part D covered 697 prescriptions written in 2024, 84% of them generic. Lists Allen Hospital as a hospital affiliation.
Overview
| NPI | 1740973114 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 31, 2023 |
| Last updated in NPPES | Aug 24, 2026 |
| Certified by provider | Aug 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | MD56168 | IA |
| Family Medicine | 207Q00000X | R-12713 | IA |
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 - Family Practice (IA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 697 · 1,205 30-day fills |
|---|---|
| Patients | 115 |
| Total drug cost | $83,188 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Family Practice |
Hospital affiliation
- Allen HospitalWaterloo, IA
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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