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.
Overview Browse Drugs Part D Plans Rankings
Drug Name Plans Covering Coverage % Avg Tier PA % 2023 Benes
aripiprazole 15 MG Oral Tablet [Abilify]
aripiprazole
 2 0% T1 100% 613,179
aripiprazole 20 MG Oral Tablet [Abilify]
aripiprazole
 2 0% T1 100% 613,179
aripiprazole 30 MG Oral Tablet [Abilify]
aripiprazole
 2 0% T1 100% 613,179
lamotrigine 5 MG Tablet for Oral Suspension [Lamictal]
lamotrigine
 2 0% T1 0% 611,083
lamotrigine 25 MG Tablet for Oral Suspension [Lamictal]
lamotrigine
 2 0% T1 0% 611,083
lamotrigine 25 MG Oral Tablet [Lamictal]
lamotrigine
 2 0% T1 0% 611,083
lamotrigine 100 MG Oral Tablet [Lamictal]
lamotrigine
 2 0% T1 0% 611,083
lamotrigine 150 MG Oral Tablet [Lamictal]
lamotrigine
 2 0% T1 0% 611,083
lamotrigine 200 MG Oral Tablet [Lamictal]
lamotrigine
 2 0% T1 0% 611,083
irbesartan 150 MG Oral Tablet [Avapro]
irbesartan
 2 0% T1 0% 600,969
irbesartan 300 MG Oral Tablet [Avapro]
irbesartan
 2 0% T1 0% 600,969
moxifloxacin 5 MG/ML Ophthalmic Solution [Vigamox]
moxifloxacin
 2 0% T1 0% 596,568
hydroxychloroquine sulfate 200 MG Oral Tablet [Plaquenil]
hydroxychloroquine sulfate
 2 0% T1 0% 583,911
brimonidine tartrate 1.5 MG/ML Ophthalmic Solution [Alphagan]
brimonidine tartrate
 2 0% T1 0% 573,214
benazepril hydrochloride 10 MG Oral Tablet [Lotensin]
benazepril hydrochloride
 2 0% T1 0% 540,761
benazepril hydrochloride 20 MG Oral Tablet [Lotensin]
benazepril hydrochloride
 2 0% T1 0% 540,761
benazepril hydrochloride 40 MG Oral Tablet [Lotensin]
benazepril hydrochloride
 2 0% T1 0% 540,761
doxazosin 2 MG Oral Tablet [Cardura]
doxazosin
 2 0% T1 0% 528,955
doxazosin 4 MG Oral Tablet [Cardura]
doxazosin
 2 0% T1 0% 528,955
doxazosin 8 MG Oral Tablet [Cardura]
doxazosin
 2 0% T1 0% 528,955
doxazosin 1 MG Oral Tablet [Cardura]
doxazosin
 2 0% T1 0% 528,955
olanzapine 2.5 MG Oral Tablet [Zyprexa]
olanzapine
 2 0% T1 100% 516,737
olanzapine 5 MG Oral Tablet [Zyprexa]
olanzapine
 2 0% T1 100% 516,737
olanzapine 20 MG Oral Tablet [Zyprexa]
olanzapine
 2 0% T1 100% 516,737
enalapril maleate 2.5 MG Oral Tablet [Vasotec]
enalapril maleate
 2 0% T1 0% 482,684
enalapril maleate 5 MG Oral Tablet [Vasotec]
enalapril maleate
 2 0% T1 0% 482,684
enalapril maleate 10 MG Oral Tablet [Vasotec]
enalapril maleate
 2 0% T1 0% 482,684
enalapril maleate 20 MG Oral Tablet [Vasotec]
enalapril maleate
 2 0% T1 0% 482,684
enalapril maleate 10 MG / hydrochlorothiazide 25 MG Oral Tablet [Vaseretic]
enalapril maleate
 2 0% T1 0% 482,684
risperidone 1 MG Oral Tablet [Risperdal]
risperidone
 2 0% T1 100% 478,904
risperidone 0.5 MG Oral Tablet [Risperdal]
risperidone
 2 0% T1 100% 478,904
risperidone 1 MG/ML Oral Solution [Risperdal]
risperidone
 2 0% T1 100% 478,904
risperidone 2 MG Oral Tablet [Risperdal]
risperidone
 2 0% T1 100% 478,904
risperidone 3 MG Oral Tablet [Risperdal]
risperidone
 2 0% T1 100% 478,904
risperidone 4 MG Oral Tablet [Risperdal]
risperidone
 2 0% T1 100% 478,904
divalproex sodium 125 MG Delayed Release Oral Capsule [Depakote]
divalproex sodium
 2 0% T1 0% 448,623
divalproex sodium 125 MG Delayed Release Oral Tablet [Depakote]
divalproex sodium
 2 0% T1 0% 448,623
divalproex sodium 250 MG Delayed Release Oral Tablet [Depakote]
divalproex sodium
 2 0% T1 0% 448,623
divalproex sodium 500 MG Delayed Release Oral Tablet [Depakote]
divalproex sodium
 2 0% T1 0% 448,623
anastrozole 1 MG Oral Tablet [Arimidex]
anastrozole
 2 0% T1 0% 409,158
metoclopramide 5 MG Oral Tablet [Reglan]
metoclopramide
 2 0% T1 0% 402,098
metoclopramide 10 MG Oral Tablet [Reglan]
metoclopramide
 2 0% T1 0% 402,098
oseltamivir 75 MG Oral Capsule [Tamiflu]
oseltamivir
 2 0% T1 0% 380,069
oseltamivir 45 MG Oral Capsule [Tamiflu]
oseltamivir
 2 0% T1 0% 380,069
oseltamivir 30 MG Oral Capsule [Tamiflu]
oseltamivir
 2 0% T1 0% 380,069
oseltamivir 6 MG/ML Oral Suspension [Tamiflu]
oseltamivir
 2 0% T1 0% 380,069
nebivolol 2.5 MG Oral Tablet [Bystolic]
nebivolol
 2 0% T1 0% 316,436
nebivolol 5 MG Oral Tablet [Bystolic]
nebivolol
 2 0% T1 0% 316,436
nebivolol 10 MG Oral Tablet [Bystolic]
nebivolol
 2 0% T1 0% 316,436
nebivolol 20 MG Oral Tablet [Bystolic]
nebivolol
 2 0% T1 0% 316,436
calcitriol 0.00025 MG Oral Capsule [Rocaltrol]
calcitriol
 2 0% T1 0% 310,587
calcitriol 0.0005 MG Oral Capsule [Rocaltrol]
calcitriol
 2 0% T1 0% 310,587
calcitriol 0.001 MG/ML Oral Solution [Rocaltrol]
calcitriol
 2 0% T1 0% 310,587
lansoprazole 30 MG Delayed Release Oral Capsule [Prevacid]
lansoprazole
 2 0% T1 0% 303,222
primidone 50 MG Oral Tablet [Mysoline]
primidone
 2 0% T1 0% 279,909
primidone 250 MG Oral Tablet [Mysoline]
primidone
 2 0% T1 0% 279,909
doxepin hydrochloride 50 MG/ML Topical Cream [Zonalon]
doxepin hydrochloride
 2 0% T1 100% 276,316
doxepin 3 MG Oral Tablet [Silenor]
doxepin
 2 0% T1 0% 276,316
doxepin 6 MG Oral Tablet [Silenor]
doxepin
 2 0% T1 0% 276,316
gemfibrozil 600 MG Oral Tablet [Lopid]
gemfibrozil
 2 0% T1 0% 199,172
letrozole 2.5 MG Oral Tablet [Femara]
letrozole
 2 0% T1 0% 198,661
rizatriptan 10 MG Oral Tablet [Maxalt]
rizatriptan
 2 0% T1 0% 180,679
rizatriptan 10 MG Disintegrating Oral Tablet [Maxalt]
rizatriptan
 2 0% T1 0% 180,679
raloxifene hydrochloride 60 MG Oral Tablet [Evista]
raloxifene hydrochloride
 2 0% T1 0% 169,339
fluorometholone 1 MG/ML Ophthalmic Suspension [FML]
fluorometholone
 2 0% T1 0% 168,211
colestipol hydrochloride 1000 MG Oral Tablet [Colestid]
colestipol hydrochloride
 2 0% T1 0% 141,803
isosorbide dinitrate 5 MG Oral Tablet [Isordil]
isosorbide dinitrate
 2 0% T1 0% 129,460
travoprost 0.04 MG/ML Ophthalmic Solution [Travatan]
travoprost
 2 0% T1 0% 123,672
sulfasalazine 500 MG Oral Tablet [Azulfidine]
sulfasalazine
 2 0% T1 0% 112,219
sulfasalazine 500 MG Delayed Release Oral Tablet [Azulfidine]
sulfasalazine
 2 0% T1 0% 112,219
candesartan cilexetil 4 MG Oral Tablet [Atacand]
candesartan cilexetil
 2 0% T1 0% 109,771
candesartan cilexetil 8 MG Oral Tablet [Atacand]
candesartan cilexetil
 2 0% T1 0% 109,771
candesartan cilexetil 16 MG Oral Tablet [Atacand]
candesartan cilexetil
 2 0% T1 0% 109,771
candesartan cilexetil 32 MG Oral Tablet [Atacand]
candesartan cilexetil
 2 0% T1 0% 109,771
candesartan cilexetil 16 MG / hydrochlorothiazide 12.5 MG Oral Tablet [Atacand HCT]
candesartan cilexetil
 2 0% T1 0% 109,771
candesartan cilexetil 32 MG / hydrochlorothiazide 12.5 MG Oral Tablet [Atacand HCT]
candesartan cilexetil
 2 0% T1 0% 109,771
candesartan cilexetil 32 MG / hydrochlorothiazide 25 MG Oral Tablet [Atacand HCT]
candesartan cilexetil
 2 0% T1 0% 109,771
medroxyprogesterone acetate 10 MG Oral Tablet [Provera]
medroxyprogesterone acetate
 2 0% T1 0% 108,623
medroxyprogesterone acetate 2.5 MG Oral Tablet [Provera]
medroxyprogesterone acetate
 2 0% T1 0% 108,623
medroxyprogesterone acetate 5 MG Oral Tablet [Provera]
medroxyprogesterone acetate
 2 0% T1 0% 108,623
lithium carbonate 300 MG Extended Release Oral Tablet [Lithobid]
lithium carbonate
 2 0% T1 0% 103,265
hydroxyurea 500 MG Oral Capsule [Hydrea]
hydroxyurea
 2 0% T1 0% 102,368
lacosamide 50 MG Oral Tablet [Vimpat]
lacosamide
 2 0% T1 0% 102,050
lacosamide 100 MG Oral Tablet [Vimpat]
lacosamide
 2 0% T1 0% 102,050
lacosamide 150 MG Oral Tablet [Vimpat]
lacosamide
 2 0% T1 0% 102,050
lacosamide 200 MG Oral Tablet [Vimpat]
lacosamide
 2 0% T1 0% 102,050
lacosamide 10 MG/ML Oral Solution [Vimpat]
lacosamide
 2 0% T1 0% 102,050
mesalamine 1200 MG Delayed Release Oral Tablet [Lialda]
mesalamine
 2 0% T1 0% 95,185
mesalamine 1000 MG Rectal Suppository [Canasa]
mesalamine
 2 0% T1 0% 95,185
pilocarpine hydrochloride 5 MG Oral Tablet [Salagen]
pilocarpine hydrochloride
 2 0% T1 0% 91,595
pilocarpine hydrochloride 7.5 MG Oral Tablet [Salagen]
pilocarpine hydrochloride
 2 0% T1 0% 91,595
ziprasidone 20 MG Oral Capsule [Geodon]
ziprasidone
 2 0% T1 100% 82,972
ziprasidone 40 MG Oral Capsule [Geodon]
ziprasidone
 2 0% T1 100% 82,972
ziprasidone 60 MG Oral Capsule [Geodon]
ziprasidone
 2 0% T1 100% 82,972
ziprasidone 80 MG Oral Capsule [Geodon]
ziprasidone
 2 0% T1 100% 82,972
ziprasidone 20 MG Injection [Geodon]
ziprasidone
 2 0% T1 100% 82,972
bicalutamide 50 MG Oral Tablet [Casodex]
bicalutamide
 2 0% T1 0% 73,843
zonisamide 100 MG Oral Capsule [Zonegran]
zonisamide
 2 0% T1 0% 69,343
zonisamide 25 MG Oral Capsule [Zonegran]
zonisamide
 2 0% T1 0% 69,343
eplerenone 25 MG Oral Tablet [Inspra]
eplerenone
 2 0% T1 0% 67,162
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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.