Medicare Part D Drug Coverage List
According to the Centers for Medicare & Medicaid Services (CMS) 2026 Part D formulary data, this list covers 6,046 drugs across Medicare Part D plans, sorted by how broadly each is covered. Under the Inflation Reduction Act, Part D out-of-pocket costs are capped at $2,000 a year in 2026; see our methodology for how coverage breadth is calculated.
Coverage varies by plan and geography. Verify drug coverage with your specific plan before making decisions.
| Drug Name | Plans Covering | Coverage % | Avg Tier | PA % | 2023 Benes |
|---|---|---|---|---|---|
| atorvastatin 10 MG Oral Tablet atorvastatin | 5,067 | 100% | T2 | 0% | 16,778,185 |
| atorvastatin 20 MG Oral Tablet atorvastatin | 5,067 | 100% | T2 | 0% | 16,778,185 |
| atorvastatin 40 MG Oral Tablet atorvastatin | 5,067 | 100% | T2 | 0% | 16,778,185 |
| atorvastatin 80 MG Oral Tablet atorvastatin | 5,067 | 100% | T2 | 0% | 16,778,185 |
| amlodipine 2.5 MG Oral Tablet amlodipine | 5,067 | 100% | T1 | 0% | 11,575,402 |
| amlodipine 5 MG / benazepril hydrochloride 40 MG Oral Capsule amlodipine | 5,067 | 100% | T2 | 0% | 11,575,402 |
| amlodipine 5 MG / benazepril hydrochloride 20 MG Oral Capsule amlodipine | 5,067 | 100% | T2 | 0% | 11,575,402 |
| amlodipine 10 MG / benazepril hydrochloride 20 MG Oral Capsule amlodipine | 5,067 | 100% | T2 | 0% | 11,575,402 |
| amlodipine 10 MG / benazepril hydrochloride 40 MG Oral Capsule amlodipine | 5,067 | 100% | T2 | 0% | 11,575,402 |
| amlodipine 10 MG Oral Tablet amlodipine | 5,067 | 100% | T1 | 0% | 11,575,402 |
| amlodipine 2.5 MG / benazepril hydrochloride 10 MG Oral Capsule amlodipine | 5,067 | 100% | T2 | 0% | 11,575,402 |
| amlodipine 5 MG / benazepril hydrochloride 10 MG Oral Capsule amlodipine | 5,067 | 100% | T2 | 0% | 11,575,402 |
| amlodipine 5 MG Oral Tablet amlodipine | 5,067 | 100% | T1 | 0% | 11,575,402 |
| lisinopril 40 MG Oral Tablet lisinopril | 5,067 | 100% | T2 | 0% | 8,750,470 |
| lisinopril 2.5 MG Oral Tablet lisinopril | 5,067 | 100% | T2 | 0% | 8,750,470 |
| lisinopril 5 MG Oral Tablet lisinopril | 5,067 | 100% | T2 | 0% | 8,750,470 |
| lisinopril 10 MG Oral Tablet lisinopril | 5,067 | 100% | T2 | 0% | 8,750,470 |
| lisinopril 20 MG Oral Tablet lisinopril | 5,067 | 100% | T2 | 0% | 8,750,470 |
| lisinopril 30 MG Oral Tablet lisinopril | 5,067 | 100% | T2 | 0% | 8,750,470 |
| levothyroxine sodium 0.025 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.05 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.075 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.088 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.1 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.112 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.125 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.15 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.175 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.137 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.2 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| levothyroxine sodium 0.3 MG Oral Tablet levothyroxine sodium | 5,067 | 100% | T1 | 0% | 8,687,969 |
| losartan potassium 25 MG Oral Tablet losartan potassium | 5,067 | 100% | T2 | 0% | 8,190,862 |
| losartan potassium 50 MG Oral Tablet losartan potassium | 5,067 | 100% | T2 | 0% | 8,190,862 |
| losartan potassium 100 MG Oral Tablet losartan potassium | 5,067 | 100% | T2 | 0% | 8,190,862 |
| gabapentin 50 MG/ML Oral Solution gabapentin | 5,067 | 100% | T3 | 0% | 7,553,448 |
| gabapentin 300 MG Oral Capsule gabapentin | 5,067 | 100% | T2 | 0% | 7,553,448 |
| gabapentin 400 MG Oral Capsule gabapentin | 5,067 | 100% | T2 | 0% | 7,553,448 |
| gabapentin 600 MG Oral Tablet gabapentin | 5,067 | 100% | T2 | 0% | 7,553,448 |
| gabapentin 800 MG Oral Tablet gabapentin | 5,067 | 100% | T2 | 0% | 7,553,448 |
| gabapentin 100 MG Oral Capsule gabapentin | 5,067 | 100% | T2 | 0% | 7,553,448 |
| omeprazole 10 MG Delayed Release Oral Capsule omeprazole | 5,067 | 100% | T1 | 0% | 7,298,218 |
| omeprazole 20 MG Delayed Release Oral Capsule omeprazole | 5,067 | 100% | T1 | 0% | 7,298,218 |
| omeprazole 40 MG Delayed Release Oral Capsule omeprazole | 5,067 | 100% | T1 | 0% | 7,298,218 |
| prednisone 50 MG Oral Tablet prednisone | 5,067 | 100% | T1 | 45.8% | 7,163,637 |
| prednisone 5 MG Oral Tablet prednisone | 5,067 | 100% | T1 | 45.8% | 7,163,637 |
| prednisone 1 MG Oral Tablet prednisone | 5,067 | 100% | T1 | 45.8% | 7,163,637 |
| prednisone 2.5 MG Oral Tablet prednisone | 5,067 | 100% | T1 | 45.8% | 7,163,637 |
| prednisone 20 MG Oral Tablet prednisone | 5,067 | 100% | T1 | 45.8% | 7,163,637 |
| prednisone 10 MG Oral Tablet prednisone | 5,067 | 100% | T1 | 45.8% | 7,163,637 |
| rosuvastatin calcium 40 MG Oral Tablet rosuvastatin calcium | 5,067 | 100% | T2 | 0% | 6,945,233 |
| rosuvastatin calcium 10 MG Oral Tablet rosuvastatin calcium | 5,067 | 100% | T2 | 0% | 6,945,233 |
| rosuvastatin calcium 20 MG Oral Tablet rosuvastatin calcium | 5,067 | 100% | T2 | 0% | 6,945,233 |
| rosuvastatin calcium 5 MG Oral Tablet rosuvastatin calcium | 5,067 | 100% | T2 | 0% | 6,945,233 |
| amoxicillin 40 MG/ML Oral Suspension amoxicillin | 5,067 | 100% | T1 | 0% | 6,202,496 |
| amoxicillin 80 MG/ML Oral Suspension amoxicillin | 5,067 | 100% | T1 | 0% | 6,202,496 |
| amoxicillin 25 MG/ML Oral Suspension amoxicillin | 5,067 | 100% | T1 | 0% | 6,202,496 |
| amoxicillin 50 MG/ML Oral Suspension amoxicillin | 5,067 | 100% | T1 | 0% | 6,202,496 |
| amoxicillin 500 MG Oral Capsule amoxicillin | 5,067 | 100% | T1 | 0% | 6,202,496 |
| amoxicillin 40 MG/ML / clavulanate 5.7 MG/ML Oral Suspension amoxicillin | 5,067 | 100% | T2 | 0% | 6,202,496 |
| amoxicillin 120 MG/ML / clavulanate 8.58 MG/ML Oral Suspension amoxicillin | 5,067 | 100% | T2 | 0% | 6,202,496 |
| amoxicillin 875 MG Oral Tablet amoxicillin | 5,067 | 100% | T1 | 0% | 6,202,496 |
| amoxicillin 250 MG Oral Capsule amoxicillin | 5,067 | 100% | T1 | 0% | 6,202,496 |
| amoxicillin 500 MG / clavulanate 125 MG Oral Tablet amoxicillin | 5,067 | 100% | T2 | 0% | 6,202,496 |
| amoxicillin 875 MG / clavulanate 125 MG Oral Tablet amoxicillin | 5,067 | 100% | T2 | 0% | 6,202,496 |
| amoxicillin 80 MG/ML / clavulanate 11.4 MG/ML Oral Suspension amoxicillin | 5,067 | 100% | T2 | 0% | 6,202,496 |
| pantoprazole 40 MG Delayed Release Oral Tablet pantoprazole | 5,067 | 100% | T1 | 0% | 6,191,845 |
| pantoprazole 20 MG Delayed Release Oral Tablet pantoprazole | 5,067 | 100% | T1 | 0% | 6,191,845 |
| azithromycin 250 MG Oral Tablet azithromycin | 5,067 | 100% | T1 | 0% | 5,970,026 |
| azithromycin 500 MG Oral Tablet azithromycin | 5,067 | 100% | T1 | 0% | 5,970,026 |
| azithromycin 600 MG Oral Tablet azithromycin | 5,067 | 100% | T1 | 0.3% | 5,970,026 |
| azithromycin 500 MG Injection azithromycin | 5,067 | 100% | T3 | 9.7% | 5,970,026 |
| metformin hydrochloride 850 MG Oral Tablet metformin hydrochloride | 5,067 | 100% | T2 | 0% | 5,918,026 |
| metformin hydrochloride 500 MG Oral Tablet metformin hydrochloride | 5,067 | 100% | T2 | 0% | 5,918,026 |
| metformin hydrochloride 1000 MG Oral Tablet metformin hydrochloride | 5,067 | 100% | T2 | 0% | 5,918,026 |
| furosemide 80 MG Oral Tablet furosemide | 5,067 | 100% | T1 | 0% | 5,640,922 |
| furosemide 20 MG Oral Tablet furosemide | 5,067 | 100% | T1 | 0% | 5,640,922 |
| furosemide 40 MG Oral Tablet furosemide | 5,067 | 100% | T1 | 0% | 5,640,922 |
| tamsulosin hydrochloride 0.4 MG Oral Capsule tamsulosin hydrochloride | 5,067 | 100% | T1 | 0% | 5,074,519 |
| cephalexin 500 MG Oral Capsule cephalexin | 5,067 | 100% | T1 | 0% | 5,051,787 |
| cephalexin 250 MG Oral Capsule cephalexin | 5,067 | 100% | T1 | 0% | 5,051,787 |
| cephalexin 25 MG/ML Oral Suspension cephalexin | 5,067 | 100% | T2 | 0% | 5,051,787 |
| cephalexin 50 MG/ML Oral Suspension cephalexin | 5,067 | 100% | T2 | 0% | 5,051,787 |
| fluticasone propionate 0.05 MG/ACTUAT Metered Dose Nasal Spray fluticasone propionate | 5,067 | 100% | T2 | 0% | 4,902,813 |
| hydrochlorothiazide 50 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T1 | 0% | 4,902,174 |
| hydrochlorothiazide 25 MG / triamterene 37.5 MG Oral Capsule hydrochlorothiazide | 5,067 | 100% | T1 | 0% | 4,902,174 |
| hydrochlorothiazide 12.5 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T1 | 0% | 4,902,174 |
| hydrochlorothiazide 25 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T1 | 0% | 4,902,174 |
| hydrochlorothiazide 12.5 MG Oral Capsule hydrochlorothiazide | 5,067 | 100% | T1 | 0% | 4,902,174 |
| hydrochlorothiazide 25 MG / triamterene 37.5 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T1 | 0% | 4,902,174 |
| hydrochlorothiazide 50 MG / triamterene 75 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T1 | 0% | 4,902,174 |
| hydrochlorothiazide 12.5 MG / losartan potassium 50 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T2 | 0% | 4,902,174 |
| hydrochlorothiazide 12.5 MG / losartan potassium 100 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T2 | 0% | 4,902,174 |
| hydrochlorothiazide 25 MG / losartan potassium 100 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T2 | 0% | 4,902,174 |
| hydrochlorothiazide 12.5 MG / lisinopril 10 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T2 | 0% | 4,902,174 |
| hydrochlorothiazide 12.5 MG / lisinopril 20 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T2 | 0% | 4,902,174 |
| hydrochlorothiazide 25 MG / lisinopril 20 MG Oral Tablet hydrochlorothiazide | 5,067 | 100% | T2 | 0% | 4,902,174 |
| 0.5 ML respiratory syncytial virus pre-fusion F protein, recombinant 0.24 MG/ML Injection [Arexvy] respiratory syncytial virus pre-fusion F protein, recombinant | 5,067 | 100% | T2 | 21.2% | 4,390,151 |
| methylprednisolone 4 MG Oral Tablet methylprednisolone | 5,067 | 100% | T2 | 41.5% | 4,135,771 |
| methylprednisolone 8 MG Oral Tablet methylprednisolone | 5,067 | 100% | T2 | 41.5% | 4,135,771 |
| methylprednisolone 16 MG Oral Tablet methylprednisolone | 5,067 | 100% | T2 | 41.5% | 4,135,771 |
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Source: CMS Quarterly Prescription Drug Plan Formulary PUF 2026. 6,046 drugs with RXCUI identifiers from NLM RxNorm. Coverage percentages based on 0 active Part D plans.