Timothy C. Ryken, MD
NPI 1235122359ActiveIndividual· Neurological Surgery· Des Moines, IA
Neurological Surgery (MD) in Des Moines, Iowa, licensed in NH and IA, with an NPI issued in August 2005. Mostly services rather than prescriptions: Medicare paid $33,031 for 52 patients in 2024, with only 27 Part D claims. Medtronic, Inc. was the largest of 2 companies reporting payments in 2024, $9,737 in all, mostly consulting fees.
Overview
| NPI | 1235122359 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 24, 2005 |
| Last updated in NPPES | Mar 19, 2023 |
| Certified by provider | Mar 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 18138 | NH |
| Neurological Surgery | 207T00000X | MD-28456 | 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 (CO); Practitioner - Neurosurgery (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 115 across 31 procedure codes |
| Paid by Medicare | $33,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 29 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $205.15 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2024$9,737 · 19 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $9,628 | 17 |
| Gt Medical Technologies, Inc | $108.23 | 2 |
What the 2024 payments were for
- Consulting Fee$8,250 · 1 payment
- Travel and Lodging$904.48 · 6 payments
- Food and Beverage$582.15 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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