Medicare Part D Prescribers in Nashville, Tennessee
52 flagged and high-volume prescribers across 12 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
52
Providers
$81.5M
Total Drug Cost
1
High Risk
16.6%
Avg Opioid Rate
High-Risk Providers in Nashville
Providers flagged by our multi-factor risk scoring model. Risk scores are statistical indicators, not allegations of wrongdoing. Learn about our methodology.
| Provider | Drug Cost | Opioid Rate |
|---|---|---|
| Lisa Diaz-Barriga | $390K | 54.9% |
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Marc Watkins | 261,409 | $70.3M |
| John Williams | 33,883 | $2.3M |
| Millard Collins | 64,957 | $1.9M |
| John Anderson | 12,201 | $1.5M |
| Ahmad Abu-Halimah | 8,921 | $1.4M |
| Wesley Ray | 15,473 | $1.2M |
| Newton Allen | 11,205 | $926K |
| John Guenst | 9,301 | $884K |
| Bobby White | 10,346 | $584K |
| Lisa Diaz-BarrigaHigh Risk | 6,125 | $390K |
| Lealani Acosta | 879 | $79K |
| Lynn Holliday | 539 | $17K |
| Robert Lentz | 69 | $16K |
| Robert Otto | 733 | $12K |
| Patrick Davis | 132 | $2,003 |
| James Rubright | 140 | $998 |
| Tammy Baxter | 51 | $397 |
| Jennabeth Fitch | N/A | N/A |
| Karen Hande | N/A | N/A |
| Karina Wilkerson | N/A | N/A |
Specialties in Nashville
Internal Medicine
6 providers
Nurse Practitioner
4 providers
Family Practice
2 providers
Preventive Medicine
1 provider
Cardiology
1 provider
Neurology
1 provider
Pulmonary Disease
1 provider
Orthopedic Surgery
1 provider
General Surgery
1 provider
Hand Surgery
1 provider
Explore More
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.