Medicare Fraud Risk in District of Columbia
9 of 5,191 Medicare Part D prescribers in District of Columbia (0.17%) were flagged as high-risk by our multi-factor scoring model.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
9
High-Risk Providers
$2.1M
Flagged Provider Costs
0.17%
Of Providers Flagged
16.0%
State Avg Opioid Rate
Highest-Risk Prescribers in District of Columbia
Risk scores are statistical indicators, not allegations of wrongdoing. Learn about our methodology.
| Provider | Risk Score | Drug Cost |
|---|---|---|
| Ndubuisi Okafor | 54/100 | $5,430 |
| Sharmin Diaz | 44/100 | $614K |
| Wesley Adams | 43/100 | $26K |
| Kathleen Anderson | 43/100 | $31K |
| Stuart Horwitz | 38/100 | $758K |
| Arielle Brooks | 36/100 | $66K |
| Asmeret Tewolde | 34/100 | $7,188 |
| Delphine Nguasong | 31/100 | $8,562 |
| James Taylor | 30/100 | $534K |
By Specialty
Nurse Practitioner4
Internal Medicine2
Family Practice1
Gastroenterology1
Hematology-Oncology1
By City
Washington9
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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