John G. Piper, M.D.
NPI 1740276773ActiveIndividual· Neurological Surgery· Des Moines, IA
Neurological Surgery (M.D.) in Des Moines, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1990). 324 Medicare patients in 2024, $190,879 paid; all of their 201 Part D prescriptions were generic. Medexus Pharma, Inc. was the largest of 3 companies reporting payments in 2025, $76.67 in all, mostly food and beverage.
Overview
| NPI | 1740276773 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 26, 2005 |
| Last updated in NPPES | Jan 11, 2024 |
| Certified by provider | Jan 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | MD-30705 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 324 |
|---|---|
| Services billed | 1,037 across 87 procedure codes |
| Paid by Medicare | $190,879 |
Part D prescriptions in 2024
| Prescriptions (claims) | 201 · 207 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $1,618 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Neurosurgery |
Medical group
- The Iowa Clinic PCAnkeny, IA · 310 clinicians
Hospital affiliations
- Dallas County HospitalPerry, IA
- Grinnell Regional Medical CenterGrinnell, IA
- Mercyone Des Moines Medical CenterDes Moines, IA
- Trinity Regional Medical CenterFort Dodge, IA
- Unitypoint Health - Des Moines Iowa Methodist MediDes Moines, IA
Industry payments (Open Payments)
- 2025$76.67 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medexus Pharma, Inc. | $30.97 | 1 |
| Integra Lifesciences Corporation | $30.68 | 2 |
| Orthofix Medical, Inc. | $15.02 | 1 |
What the 2025 payments were for
- Food and Beverage$76.67 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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