Medicare Part D Prescribers in Wilmington, Delaware
15 flagged and high-volume prescribers across 5 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
15
Providers
$17.5M
Total Drug Cost
0
High Risk
1.3%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Jill Mackey | 39,621 | $9.6M |
| Ritu Rastogi | 54,413 | $4.5M |
| Jose Marciano Castro | 12,316 | $2.3M |
| Oswaldo Nicastro | 9,265 | $782K |
| Geetanjali Chatterjee | 3,288 | $330K |
| Stephen Mccann | N/A | N/A |
| Ellen Brennan | N/A | N/A |
| Christopher Hover | N/A | N/A |
| Jessica Sebastian | N/A | N/A |
| Patricia Gibbons | N/A | N/A |
| Shannon Mohollen | N/A | N/A |
| Thomas Byrnes | N/A | N/A |
| Sonia Palermo | N/A | N/A |
| Linsey O'donnell | N/A | N/A |
| Carol Hasse-Jungkurth | N/A | N/A |
Specialties in Wilmington
Nurse Practitioner
7 providers
Physician Assistant
3 providers
Family Practice
2 providers
Internal Medicine
2 providers
Geriatric Medicine
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.