John Oliver Oldenkamp, PA-C
NPI 1013740091ActiveIndividual· Physician Assistant· Sioux Falls, SD
Physician Assistant (PA-C) with Orthopedic Institute PC, practicing in Sioux Falls, South Dakota. 88 Medicare patients in 2024, $8,907 paid; nearly all of their 136 Part D prescriptions were generic (98%). Vertex Pharmaceuticals Incorporated reported $19.55 in payments in 2025, mostly food and beverage. Lists Avera McKennan Hospital & University Health Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1013740091 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 23, 2024 |
| Last updated in NPPES | Aug 23, 2024 |
| Certified by provider | Aug 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1554 | SD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 546 across 28 procedure codes |
| Paid by Medicare | $8,907 |
Part D prescriptions in 2024
| Prescriptions (claims) | 136 · 140 30-day fills |
|---|---|
| Patients | 83 |
| Total drug cost | $2,582 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Orthopedic Institute PCYankton, SD · 57 clinicians
Hospital affiliations
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Avera St Mary's HospitalPierre, SD
- Sanford Chamberlain Medical CenterChamberlain, SD
- Sanford Usd Medical CenterSioux Falls, SD
- Sioux Falls Specialty HospitalSioux Falls, SD
Industry payments (Open Payments)
- 2025$19.55 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $19.55 | 1 |
What the 2025 payments were for
- Food and Beverage$19.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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