Medicare Part D Prescribers in Oshkosh, Wisconsin
6 flagged and high-volume prescribers across 2 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
6
Providers
$6.6M
Total Drug Cost
0
High Risk
2.2%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Mary Friess | 28,244 | $2.3M |
| Teresa Lee | 19,642 | $1.7M |
| Lars Swanson | 19,736 | $1.4M |
| Benjamin Heinzen | 14,394 | $1.2M |
| Yia Lor | N/A | N/A |
| Amy Maass | N/A | N/A |
Specialties in Oshkosh
Nurse Practitioner
3 providers
Internal Medicine
3 providers
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Data from CMS Medicare Part D Prescriber Public Use File, 2023. Only providers meeting CMS disclosure thresholds are included. Risk scores are statistical indicators based on prescribing pattern analysis — not allegations of fraud or wrongdoing.