Bryon N. Johnson, D.O.
NPI 1134339989ActiveIndividual· Internal Medicine, Pulmonary Disease· Des Moines, IA
Internal Medicine, Pulmonary Disease (D.O.) with Mercy Clinics Inc and 1 other group, practicing in Des Moines, Iowa. Their prescriptions cost Medicare Part D more than their services did: $430,206 for 1,182 claims, against $80,350 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $197.56 in all, mostly food and beverage. Lists Dallas County Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1134339989 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Nov 11, 2020 |
| Certified by provider | Nov 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | DO-03804 | IA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 3804 | IA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 3804 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 405 |
|---|---|
| Services billed | 981 across 38 procedure codes |
| Paid by Medicare | $80,350 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,182 · 1,434 30-day fills |
|---|---|
| Patients | 169 |
| Total drug cost | $430,206 |
| Generic share | 48% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Critical Care (Intensivists) |
Medical groups
- Mercy Clinics IncClive, IA · 443 clinicians
- Madison County Memorial HospitalWinterset, IA · 41 clinicians
Hospital affiliations
- Dallas County HospitalPerry, IA
- Knoxville Hospital & ClinicsKnoxville, IA
- Madison County Health Care SystemWinterset, IA
- Mercyone Des Moines Medical CenterDes Moines, IA
- Pella Regional Health CenterPella, IA
Industry payments (Open Payments)
- 2025$197.56 · 6 payments from 2 companies
- 2024$63.32 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $181.17 | 5 |
| Amgen Inc. | $16.39 | 1 |
What the 2025 payments were for
- Food and Beverage$197.56 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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