Mary Zahnle, MDI
NPI 1598517716ActiveIndividual· Internal Medicine· Mason City, IA
Internal Medicine (MDI) in Mason City, Iowa, licensed in IA, with an NPI issued in April 2024. Part D covered 66 prescriptions written in 2024, 92% of them generic. Bridgebio Pharma, Inc. reported $61.96 in payments in 2025, mostly food and beverage. Lists Mercyone North Iowa Medical Center as a hospital affiliation.
Overview
| NPI | 1598517716 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MDI |
| Sole proprietor | No |
| NPI issued | Apr 2, 2024 |
| Last updated in NPPES | Aug 28, 2026 |
| Certified by provider | Aug 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD-56357 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 66 · 115 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $4,676 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Mercyone North Iowa Medical CenterMason City, IA
Industry payments (Open Payments)
- 2025$61.96 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bridgebio Pharma, Inc. | $61.96 | 1 |
What the 2025 payments were for
- Food and Beverage$61.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 internal medicine physicians in Mason City · All internal medicine physicians in Iowa