Medicare Part D Drug Coverage
Compare drug formulary coverage across Medicare Part D prescription drug plans. Based on CMS 2026 Quarterly Formulary data.
Important: Drug coverage and plan availability vary by location. Always verify coverage with your plan before making healthcare decisions. This data is for informational purposes only.
6,128
Covered Drugs
5,052
Part D Plans
328
Formularies
56.7%
Avg Drug Coverage
Most Widely Covered Drugs
View all drugs →Drugs covered by the most Part D plans, sorted by coverage breadth.
| # | Drug | Plans | Coverage | Avg Tier | PA Req'd |
|---|---|---|---|---|---|
| 1 | atorvastatin 10 MG Oral Tablet atorvastatin | 5,052 | 100% | Tier 2.26 | 0% |
| 2 | atorvastatin 20 MG Oral Tablet atorvastatin | 5,052 | 100% | Tier 2.26 | 0% |
| 3 | atorvastatin 40 MG Oral Tablet atorvastatin | 5,052 | 100% | Tier 2.26 | 0% |
| 4 | atorvastatin 80 MG Oral Tablet atorvastatin | 5,052 | 100% | Tier 2.26 | 0% |
| 5 | amlodipine 2.5 MG Oral Tablet amlodipine | 5,052 | 100% | Tier 1.08 | 0% |
| 6 | amlodipine 5 MG / benazepril hydrochloride 40 MG Oral Capsule amlodipine | 5,052 | 100% | Tier 2.13 | 0% |
| 7 | amlodipine 5 MG / benazepril hydrochloride 20 MG Oral Capsule amlodipine | 5,052 | 100% | Tier 2.13 | 0% |
| 8 | amlodipine 10 MG / benazepril hydrochloride 20 MG Oral Capsule amlodipine | 5,052 | 100% | Tier 2.13 | 0% |
| 9 | amlodipine 10 MG / benazepril hydrochloride 40 MG Oral Capsule amlodipine | 5,052 | 100% | Tier 2.13 | 0% |
| 10 | amlodipine 10 MG Oral Tablet amlodipine | 5,052 | 100% | Tier 1.08 | 0% |
| 11 | amlodipine 2.5 MG / benazepril hydrochloride 10 MG Oral Capsule amlodipine | 5,052 | 100% | Tier 2.13 | 0% |
| 12 | amlodipine 5 MG / benazepril hydrochloride 10 MG Oral Capsule amlodipine | 5,052 | 100% | Tier 2.13 | 0% |
| 13 | amlodipine 5 MG Oral Tablet amlodipine | 5,052 | 100% | Tier 1.08 | 0% |
| 14 | lisinopril 40 MG Oral Tablet lisinopril | 5,052 | 100% | Tier 2.26 | 0% |
| 15 | lisinopril 2.5 MG Oral Tablet lisinopril | 5,052 | 100% | Tier 2.26 | 0% |
| 16 | lisinopril 5 MG Oral Tablet lisinopril | 5,052 | 100% | Tier 2.26 | 0% |
| 17 | lisinopril 10 MG Oral Tablet lisinopril | 5,052 | 100% | Tier 2.26 | 0% |
| 18 | lisinopril 20 MG Oral Tablet lisinopril | 5,052 | 100% | Tier 2.26 | 0% |
| 19 | lisinopril 30 MG Oral Tablet lisinopril | 5,052 | 100% | Tier 2.26 | 0% |
| 20 | levothyroxine sodium 0.025 MG Oral Tablet levothyroxine sodium | 5,052 | 100% | Tier 1.13 | 0% |
Lowest-Premium Standalone Drug Plans (PDP)
View all PDPs →Standalone prescription drug plans with the lowest monthly premiums. Verify availability in your area.
| # | Plan | Insurer | Premium/mo | Deductible |
|---|---|---|---|---|
| 1 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
| 2 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
| 3 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
| 4 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
| 5 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
| 6 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
| 7 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
| 8 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
| 9 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
| 10 | Wellcare Classic (PDP) | Wellcare Prescription Insurance, Inc. | $0 | $615.00 |
Understanding Medicare Part D
Drug Tiers
- Tier 1: Preferred generic drugs (lowest copay)
- Tier 2: Generic drugs
- Tier 3: Preferred brand-name drugs
- Tier 4: Non-preferred drugs (higher copay)
- Tier 5: Specialty drugs (highest cost)
Coverage Restrictions
- Prior Authorization (PA): Plan approval required before filling
- Step Therapy (ST): Must try cheaper drug first
- Quantity Limits (QL): Limits on amount dispensed per fill
Source: CMS Quarterly Prescription Drug Plan Formulary, Pharmacy Network, and Pricing Information (SPUF) 2026 Drug coverage varies by plan and location. Always verify with your plan. Not medical advice