Jon Mark Grudem, MD
NPI 1477649531ActiveIndividual· Psychiatry & Neurology, Neurology· North Sioux City, SD
Psychiatry & Neurology, Neurology (MD) in North Sioux City, South Dakota, trained at Oregon Health Sciences University School of Medicine (class of 2004). In 2024 Medicare paid $437,814 for 338 patients, and Part D covered 286 of their prescriptions, 63% of them generic. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $34,923 in all, mostly speaking and faculty fees.
Overview
| NPI | 1477649531 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Jan 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 7354 | SD |
| Psychiatry & Neurology, Neurology | 2084N0400X | 38576 | 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 - Neurology (IA); Practitioner - Neurology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 338 |
|---|---|
| Services billed | 69,451 across 45 procedure codes |
| Paid by Medicare | $437,814 |
Part D prescriptions in 2024
| Prescriptions (claims) | 286 · 400 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $163,740 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | Oregon Health Sciences University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Neurology |
Medical groups
- Sports Rehab and Professional Therapy Associates IncStorm Lake, IA · 132 clinicians
- Cnos PCSioux City, IA · 99 clinicians
Hospital affiliations
- Cherokee Regional Medical CenterCherokee, IA
- Orange City Area Health SystemOrange City, IA
- Pocahontas Community HospitalPocahontas, IA
- Sioux Center HealthSioux Center, IA
- St Lukes Regional Medical CenterSioux City, IA
Industry payments (Open Payments)
- 2025$34,923 · 80 payments from 11 companies
- 2024$40,523 · 63 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $23,677 | 52 |
| Pfizer Inc. | $10,855 | 12 |
| Argenx US, Inc. | $105.23 | 4 |
| Merz Pharmaceuticals, LLC | $97.80 | 3 |
| Lundbeck LLC | $50.10 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$29,044 · 11 payments
- Travel and Lodging$3,250 · 7 payments
- Consulting Fee$1,525 · 1 payment
- Food and Beverage$1,104 · 61 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records