Ryan Michael Holthaus, M.D.
NPI 1609822873ActiveIndividual· Radiology, Diagnostic Radiology· Mason City, IA
Radiology, Diagnostic Radiology (M.D.) in Mason City, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2001). Medicare paid $108,793 for services to 1,647 patients in 2024. W. L. Gore & Associates, Inc. reported $72.30 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1609822873 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Mar 11, 2025 |
| Certified by provider | Mar 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 36598 | 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 - Diagnostic Radiology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,647 |
|---|---|
| Services billed | 2,594 across 193 procedure codes |
| Paid by Medicare | $108,793 |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Allen Memorial Hospital CorporationWaterloo, IA · 157 clinicians
- Radiologists of North Iowa PCMason City, IA · 13 clinicians
Hospital affiliations
- Allen HospitalWaterloo, IA
- Hancock County Health SystemBritt, IA
- Kossuth Regional Health CenterAlgona, IA
- Mercyone North Iowa Medical CenterMason City, IA
- Mitchell County Regional HealthOsage, IA
Industry payments (Open Payments)
- 2025$72.30 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $72.30 | 1 |
What the 2025 payments were for
- Food and Beverage$72.30 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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