Medicare Part D in Puerto Rico
Prescribing data for 11,379 providers in Puerto Rico, totaling $2.90B in drug costs.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
11,379
Prescribers
$2.90B
Drug Cost
30,152,695
Claims
$1,148
Cost/Patient
2,558
Opioid Prescribers
208
High Opioid Rate
5.3%
Avg Opioid Rate
8
Flagged Providers
🔎 Data Overview
Average opioid prescribing rate of 5.3% is well below the national average (14.5%), suggesting more conservative opioid prescribing practices.
8 providers flagged for unusual prescribing patterns. These are statistical outliers, not accusations — many flagged providers have legitimate clinical reasons for their patterns.
Drug costs have grown 61% over the past 5 years, outpacing the national average. Rising costs are primarily driven by specialty drugs and brand-name biologics.
Insights generated from CMS data analysis. Statistical patterns are not accusations — always consider clinical context.
Drug Cost Trends (2019–2023)
Opioid Prescribing Trends
Top Specialties in Puerto Rico
| # | Specialty | Providers |
|---|---|---|
| 1 | General Practice | 156 |
| 2 | Internal Medicine | 132 |
| 3 | Psychiatry | 44 |
| 4 | Cardiology | 34 |
| 5 | Family Practice | 33 |
| 6 | Endocrinology | 15 |
| 7 | Psychiatry & Neurology | 9 |
| 8 | Ophthalmology | 6 |
| 9 | Neurology | 6 |
| 10 | Rheumatology | 4 |
Flagged Providers in Puerto Rico
| Provider | Drug Cost | Risk Score |
|---|---|---|
| Carlos Muniz Molinero Aguada | $5.3M | 49 |
| Jorge De Jesus Mayaguez | $323K | 47 |
| Antonio Castillo Trujillo Alto | $221K | 40 |
| Kimberly Ramos-Ramos Yabucoa | $18K | 40 |
| Boris Guzman-Hernandez Bayamon | $57K | 35 |
| Cesar Cubano Hatillo | $420K | 35 |
| Laura Rodriguez Rivera Ponce | $951 | 31 |
| Milagros Torres Vega Baja | $21K | 30 |
Top Opioid Prescribers in Puerto Rico
| Provider | Opioid Rate | Opioid Claims |
|---|---|---|
| Diego Gallardo Guaynabo | 8.2% | N/A |
| Joyce Castro Gonzalez Guaynabo | 5.1% | N/A |
| Carmen Flecha Melendez Yabucoa | 1.5% | N/A |