Medicare Part D Prescribers in Sioux City, Iowa
7 flagged and high-volume prescribers across 5 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
7
Providers
$32.5M
Total Drug Cost
0
High Risk
1.7%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Scott Murray | 92,135 | $24.8M |
| Ashar Luqman | 32,659 | $2.7M |
| Kristi Walz | 9,883 | $1.9M |
| Sharon Fey | 12,444 | $1.4M |
| Michael Jung | 11,586 | $897K |
| Thomas Schryver | 9,077 | $792K |
| Ruth Uhl | N/A | N/A |
Specialties in Sioux City
Family Practice
3 providers
Emergency Medicine
1 provider
Nephrology
1 provider
Physician Assistant
1 provider
Nurse Practitioner
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.