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 |
|---|---|---|---|---|---|
| ramipril 1.25 MG Oral Capsule ramipril | 5,067 | 100% | T2 | 0% | 388,707 |
| penicillin V potassium 250 MG Oral Tablet penicillin V potassium | 5,067 | 100% | T1 | 0% | 384,413 |
| penicillin V potassium 500 MG Oral Tablet penicillin V potassium | 5,067 | 100% | T1 | 0% | 384,413 |
| oseltamivir 30 MG Oral Capsule oseltamivir | 5,067 | 100% | T2 | 0% | 380,069 |
| oseltamivir 75 MG Oral Capsule oseltamivir | 5,067 | 100% | T2 | 0% | 380,069 |
| oseltamivir 45 MG Oral Capsule oseltamivir | 5,067 | 100% | T2 | 0% | 380,069 |
| pramipexole dihydrochloride 0.125 MG Oral Tablet pramipexole dihydrochloride | 5,067 | 100% | T2 | 0% | 366,660 |
| pramipexole dihydrochloride 0.25 MG Oral Tablet pramipexole dihydrochloride | 5,067 | 100% | T2 | 0% | 366,660 |
| pramipexole dihydrochloride 0.5 MG Oral Tablet pramipexole dihydrochloride | 5,067 | 100% | T2 | 0% | 366,660 |
| pramipexole dihydrochloride 1 MG Oral Tablet pramipexole dihydrochloride | 5,067 | 100% | T2 | 0% | 366,660 |
| pramipexole dihydrochloride 1.5 MG Oral Tablet pramipexole dihydrochloride | 5,067 | 100% | T2 | 0% | 366,660 |
| pramipexole dihydrochloride 0.75 MG Oral Tablet pramipexole dihydrochloride | 5,067 | 100% | T2 | 0% | 366,660 |
| midodrine hydrochloride 2.5 MG Oral Tablet midodrine hydrochloride | 5,067 | 100% | T2 | 0% | 355,371 |
| midodrine hydrochloride 5 MG Oral Tablet midodrine hydrochloride | 5,067 | 100% | T2 | 0% | 355,371 |
| midodrine hydrochloride 10 MG Oral Tablet midodrine hydrochloride | 5,067 | 100% | T3 | 0% | 355,371 |
| terazosin 1 MG Oral Capsule terazosin | 5,067 | 100% | T1 | 0% | 339,977 |
| terazosin 2 MG Oral Capsule terazosin | 5,067 | 100% | T1 | 0% | 339,977 |
| terazosin 5 MG Oral Capsule terazosin | 5,067 | 100% | T1 | 0% | 339,977 |
| terazosin 10 MG Oral Capsule terazosin | 5,067 | 100% | T1 | 0% | 339,977 |
| polymyxin B 10000 UNT/ML / trimethoprim 1 MG/ML Ophthalmic Solution polymyxin B | 5,067 | 100% | T1 | 0% | 334,644 |
| cefpodoxime 100 MG Oral Tablet cefpodoxime | 5,067 | 100% | T3 | 0% | 330,545 |
| cefpodoxime 200 MG Oral Tablet cefpodoxime | 5,067 | 100% | T3 | 0% | 330,545 |
| cefadroxil 500 MG Oral Capsule cefadroxil | 5,067 | 100% | T2 | 0% | 315,336 |
| calcitriol 0.00025 MG Oral Capsule calcitriol | 5,067 | 100% | T2 | 19.4% | 310,587 |
| calcitriol 0.0005 MG Oral Capsule calcitriol | 5,067 | 100% | T2 | 19.4% | 310,587 |
| nortriptyline 50 MG Oral Capsule nortriptyline | 5,067 | 100% | T2 | 2.4% | 302,986 |
| nortriptyline 2 MG/ML Oral Solution nortriptyline | 5,067 | 100% | T3 | 2.4% | 302,986 |
| nortriptyline 10 MG Oral Capsule nortriptyline | 5,067 | 100% | T2 | 2.4% | 302,986 |
| nortriptyline 25 MG Oral Capsule nortriptyline | 5,067 | 100% | T2 | 2.4% | 302,986 |
| nortriptyline 75 MG Oral Capsule nortriptyline | 5,067 | 100% | T2 | 2.4% | 302,986 |
| flecainide acetate 50 MG Oral Tablet flecainide acetate | 5,067 | 100% | T2 | 0% | 300,093 |
| flecainide acetate 100 MG Oral Tablet flecainide acetate | 5,067 | 100% | T2 | 0% | 300,093 |
| flecainide acetate 150 MG Oral Tablet flecainide acetate | 5,067 | 100% | T2 | 0% | 300,093 |
| primidone 50 MG Oral Tablet primidone | 5,067 | 100% | T2 | 0% | 279,909 |
| primidone 250 MG Oral Tablet primidone | 5,067 | 100% | T2 | 0% | 279,909 |
| doxepin 75 MG Oral Capsule doxepin | 5,067 | 100% | T3 | 27.3% | 276,316 |
| doxepin 150 MG Oral Capsule doxepin | 5,067 | 100% | T3 | 27.3% | 276,316 |
| doxepin 10 MG/ML Oral Solution doxepin | 5,067 | 100% | T3 | 27.3% | 276,316 |
| doxepin 10 MG Oral Capsule doxepin | 5,067 | 100% | T3 | 27.3% | 276,316 |
| doxepin 25 MG Oral Capsule doxepin | 5,067 | 100% | T3 | 27.3% | 276,316 |
| doxepin 50 MG Oral Capsule doxepin | 5,067 | 100% | T3 | 27.3% | 276,316 |
| doxepin 100 MG Oral Capsule doxepin | 5,067 | 100% | T3 | 27.3% | 276,316 |
| sotalol hydrochloride 80 MG Oral Tablet sotalol hydrochloride | 5,067 | 100% | T2 | 0% | 262,533 |
| sotalol hydrochloride 160 MG Oral Tablet sotalol hydrochloride | 5,067 | 100% | T2 | 0% | 262,533 |
| sotalol hydrochloride 240 MG Oral Tablet sotalol hydrochloride | 5,067 | 100% | T2 | 0% | 262,533 |
| sotalol hydrochloride 120 MG Oral Tablet sotalol hydrochloride | 5,067 | 100% | T2 | 0% | 262,533 |
| verapamil hydrochloride 80 MG Oral Tablet verapamil hydrochloride | 5,067 | 100% | T1 | 0% | 258,464 |
| verapamil hydrochloride 40 MG Oral Tablet verapamil hydrochloride | 5,067 | 100% | T1 | 0% | 258,464 |
| verapamil hydrochloride 120 MG Oral Tablet verapamil hydrochloride | 5,067 | 100% | T1 | 0% | 258,464 |
| verapamil hydrochloride 240 MG Extended Release Oral Tablet verapamil hydrochloride | 5,067 | 100% | T2 | 0% | 258,464 |
| verapamil hydrochloride 120 MG Extended Release Oral Tablet verapamil hydrochloride | 5,067 | 100% | T2 | 0% | 258,464 |
| verapamil hydrochloride 180 MG Extended Release Oral Tablet verapamil hydrochloride | 5,067 | 100% | T2 | 0% | 258,464 |
| benztropine mesylate 0.5 MG Oral Tablet benztropine mesylate | 5,067 | 100% | T2 | 35.2% | 256,301 |
| benztropine mesylate 1 MG Oral Tablet benztropine mesylate | 5,067 | 100% | T2 | 35.2% | 256,301 |
| benztropine mesylate 2 MG Oral Tablet benztropine mesylate | 5,067 | 100% | T2 | 35.2% | 256,301 |
| morphine sulfate 15 MG Oral Tablet morphine sulfate | 5,067 | 100% | T3 | 0.9% | 255,247 |
| morphine sulfate 30 MG Oral Tablet morphine sulfate | 5,067 | 100% | T3 | 0.9% | 255,247 |
| morphine sulfate 15 MG Extended Release Oral Tablet morphine sulfate | 5,067 | 100% | T2 | 45.2% | 255,247 |
| morphine sulfate 30 MG Extended Release Oral Tablet morphine sulfate | 5,067 | 100% | T2 | 45.2% | 255,247 |
| morphine sulfate 60 MG Extended Release Oral Tablet morphine sulfate | 5,067 | 100% | T2 | 45.8% | 255,247 |
| gentamicin 0.001 MG/MG Topical Ointment gentamicin | 5,067 | 100% | T2 | 0% | 255,052 |
| gentamicin 1 MG/ML Topical Cream gentamicin | 5,067 | 100% | T2 | 0% | 255,052 |
| sildenafil 20 MG Oral Tablet sildenafil | 5,067 | 100% | T2 | 100% | 253,277 |
| silver sulfadiazine 10 MG/ML Topical Cream silver sulfadiazine | 5,067 | 100% | T2 | 0% | 251,600 |
| labetalol hydrochloride 100 MG Oral Tablet labetalol hydrochloride | 5,067 | 100% | T2 | 0% | 242,891 |
| labetalol hydrochloride 200 MG Oral Tablet labetalol hydrochloride | 5,067 | 100% | T2 | 0% | 242,891 |
| labetalol hydrochloride 300 MG Oral Tablet labetalol hydrochloride | 5,067 | 100% | T2 | 0% | 242,891 |
| prazosin 1 MG Oral Capsule prazosin | 5,067 | 100% | T2 | 0% | 206,010 |
| prazosin 2 MG Oral Capsule prazosin | 5,067 | 100% | T2 | 0% | 206,010 |
| prazosin 5 MG Oral Capsule prazosin | 5,067 | 100% | T2 | 0% | 206,010 |
| tacrolimus 0.2 MG Granules for Oral Suspension [Prograf] tacrolimus | 5,067 | 100% | T3 | 100% | 204,385 |
| tacrolimus 1 MG Granules for Oral Suspension [Prograf] tacrolimus | 5,067 | 100% | T3 | 100% | 204,385 |
| tacrolimus 0.5 MG Oral Capsule tacrolimus | 5,067 | 100% | T3 | 100% | 204,385 |
| tacrolimus 1 MG Oral Capsule tacrolimus | 5,067 | 100% | T3 | 100% | 204,385 |
| tacrolimus 5 MG Oral Capsule tacrolimus | 5,067 | 100% | T3 | 100% | 204,385 |
| tacrolimus 0.0003 MG/MG Topical Ointment tacrolimus | 5,067 | 100% | T3 | 40.6% | 204,385 |
| tacrolimus 0.001 MG/MG Topical Ointment tacrolimus | 5,067 | 100% | T3 | 40.6% | 204,385 |
| methimazole 5 MG Oral Tablet methimazole | 5,067 | 100% | T1 | 0% | 202,878 |
| methimazole 10 MG Oral Tablet methimazole | 5,067 | 100% | T1 | 0% | 202,878 |
| cilostazol 100 MG Oral Tablet cilostazol | 5,067 | 100% | T2 | 0.3% | 199,211 |
| cilostazol 50 MG Oral Tablet cilostazol | 5,067 | 100% | T2 | 0.3% | 199,211 |
| gemfibrozil 600 MG Oral Tablet gemfibrozil | 5,067 | 100% | T1 | 0% | 199,172 |
| letrozole 2.5 MG Oral Tablet letrozole | 5,067 | 100% | T2 | 0% | 198,661 |
| varenicline 0.5 MG Oral Tablet varenicline | 5,067 | 100% | T3 | 0% | 197,586 |
| varenicline 1 MG Oral Tablet varenicline | 5,067 | 100% | T3 | 0% | 197,586 |
| oxcarbazepine 300 MG Oral Tablet oxcarbazepine | 5,067 | 100% | T2 | 0% | 195,822 |
| oxcarbazepine 600 MG Oral Tablet oxcarbazepine | 5,067 | 100% | T2 | 0% | 195,822 |
| oxcarbazepine 60 MG/ML Oral Suspension oxcarbazepine | 5,067 | 100% | T3 | 0% | 195,822 |
| oxcarbazepine 150 MG Oral Tablet oxcarbazepine | 5,067 | 100% | T2 | 0% | 195,822 |
| tobramycin 40 MG/ML Injectable Solution tobramycin | 5,067 | 100% | T3 | 10% | 195,319 |
| tobramycin 3 MG/ML Ophthalmic Solution tobramycin | 5,067 | 100% | T1 | 0% | 195,319 |
| raloxifene hydrochloride 60 MG Oral Tablet raloxifene hydrochloride | 5,067 | 100% | T2 | 0% | 169,339 |
| megestrol acetate 20 MG Oral Tablet megestrol acetate | 5,067 | 100% | T2 | 37.6% | 168,919 |
| megestrol acetate 40 MG Oral Tablet megestrol acetate | 5,067 | 100% | T2 | 37.6% | 168,919 |
| megestrol acetate 40 MG/ML Oral Suspension megestrol acetate | 5,067 | 100% | T3 | 40.9% | 168,919 |
| clarithromycin 250 MG Oral Tablet clarithromycin | 5,067 | 100% | T2 | 0% | 168,843 |
| clarithromycin 500 MG Oral Tablet clarithromycin | 5,067 | 100% | T2 | 0% | 168,843 |
| vancomycin 1000 MG Injection vancomycin | 5,067 | 100% | T3 | 0% | 161,077 |
| vancomycin 125 MG Oral Capsule vancomycin | 5,067 | 100% | T3 | 8.2% | 161,077 |
| minocycline 50 MG Oral Capsule minocycline | 5,067 | 100% | T2 | 0% | 158,316 |
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.