Medicare Part D Prescribers in Columbia, Tennessee
9 flagged and high-volume prescribers across 4 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
9
Providers
$10.5M
Total Drug Cost
0
High Risk
2.2%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Richard Kennedy | 29,457 | $2.5M |
| Gibran Naddy | 22,290 | $2.5M |
| John Roberts | 20,476 | $2.3M |
| Andrew Nielsen | 14,761 | $1.4M |
| Thomas Farmer | 12,433 | $955K |
| Charles Ball | 18,209 | $796K |
| Courtney Hollis | N/A | N/A |
| Carmen Muehlbauer | N/A | N/A |
| Katherine Harris | N/A | N/A |
Specialties in Columbia
Family Practice
4 providers
Internal Medicine
2 providers
Nurse Practitioner
2 providers
Physician Assistant
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.