Medicare Part D Prescribers in Fond Du Lac, Wisconsin
9 flagged and high-volume prescribers across 4 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
9
Providers
$4.0M
Total Drug Cost
0
High Risk
7.9%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Lisa Weber | 36,611 | $2.6M |
| Jay Muller | 11,898 | $956K |
| Adam Karewicz | 9,545 | $503K |
| Eddie Brotkowski | 244 | $1,580 |
| Jennifer Fryda | N/A | N/A |
| Sara Schierenbeck | N/A | N/A |
| Karen Williams | N/A | N/A |
| Michele Ellefson | N/A | N/A |
| Punit Kumar | N/A | N/A |
Specialties in Fond Du Lac
Nurse Practitioner
4 providers
Internal Medicine
3 providers
Family Practice
1 provider
Oral Surgery (Dentist only)
1 provider
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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.