Medicare Fraud Risk in South Dakota
32 of 4,029 Medicare Part D prescribers in South Dakota (0.79%) were flagged as high-risk by our multi-factor scoring model.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
32
High-Risk Providers
$3.0M
Flagged Provider Costs
0.79%
Of Providers Flagged
15.4%
State Avg Opioid Rate
Highest-Risk Prescribers in South Dakota
Risk scores are statistical indicators, not allegations of wrongdoing. Learn about our methodology.
| Provider | Risk Score | Drug Cost |
|---|---|---|
| Meredith Hunhoff | 59/100 | $434K |
| Carey Baczwaski | 49/100 | $404K |
| Jane Kroese | 43/100 | $50K |
| David King | 41/100 | $676K |
| David Welch | 41/100 | $679K |
| Marie Merchant | 40/100 | $23K |
| Thomas Viereck | 40/100 | $8,698 |
| Justin Hargrave | 40/100 | $1,455 |
| Allison Tracy | 39/100 | $13K |
| Kristina Lewison | 39/100 | $9,536 |
| Michele Delzer | 38/100 | $192K |
| Sandra Gutierrez | 38/100 | $88K |
| Claudia Hougland | 35/100 | $15K |
| Wylie Barnes | 35/100 | $2,052 |
| Mary Lopour | 34/100 | $2,284 |
By Specialty
Nurse Practitioner12
Physician Assistant2
Family Practice1
By City
Sioux Falls4
Dakota Dunes3
Rapid City2
North Sioux City1
Yankton1
Watertown1
Sisseton1
Aberdeen1
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Data from CMS Medicare Part D Prescriber Public Use File, 2023. Risk scores are computed using our 10-component statistical model analyzing prescribing patterns relative to specialty peers. High risk scores indicate unusual patterns that may warrant review — they are not accusations of fraud. Dispute this data