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
montelukast 4 MG Oral Granules [Singulair]
montelukast
 2 0% T1 0% 3,063,882
montelukast 10 MG Oral Tablet [Singulair]
montelukast
 2 0% T1 0% 3,063,882
montelukast 5 MG Chewable Tablet [Singulair]
montelukast
 2 0% T1 0% 3,063,882
sertraline 20 MG/ML Oral Solution [Zoloft]
sertraline
 2 0% T1 0% 3,041,276
sertraline 50 MG Oral Tablet [Zoloft]
sertraline
 2 0% T1 0% 3,041,276
sertraline 100 MG Oral Tablet [Zoloft]
sertraline
 2 0% T1 0% 3,041,276
sertraline 25 MG Oral Tablet [Zoloft]
sertraline
 2 0% T1 0% 3,041,276
escitalopram 5 MG Oral Tablet [Lexapro]
escitalopram
 2 0% T1 0% 2,538,742
escitalopram 10 MG Oral Tablet [Lexapro]
escitalopram
 2 0% T1 0% 2,538,742
escitalopram 20 MG Oral Tablet [Lexapro]
escitalopram
 2 0% T1 0% 2,538,742
oxycodone hydrochloride 15 MG Oral Tablet [Roxicodone]
oxycodone hydrochloride
 2 0% T1 0% 2,133,988
oxycodone hydrochloride 30 MG Oral Tablet [Roxicodone]
oxycodone hydrochloride
 2 0% T1 0% 2,133,988
spironolactone 50 MG Oral Tablet [Aldactone]
spironolactone
 2 0% T1 0% 2,081,937
prednisolone acetate 10 MG/ML Ophthalmic Suspension [Pred Forte]
prednisolone acetate
 2 0% T1 0% 2,012,515
ezetimibe 10 MG / simvastatin 10 MG Oral Tablet [Vytorin]
ezetimibe
 2 0% T1 0% 1,921,217
ezetimibe 10 MG / simvastatin 20 MG Oral Tablet [Vytorin]
ezetimibe
 2 0% T1 0% 1,921,217
ezetimibe 10 MG / simvastatin 40 MG Oral Tablet [Vytorin]
ezetimibe
 2 0% T1 0% 1,921,217
ezetimibe 10 MG / simvastatin 80 MG Oral Tablet [Vytorin]
ezetimibe
 2 0% T1 0% 1,921,217
ezetimibe 10 MG Oral Tablet [Zetia]
ezetimibe
 2 0% T1 0% 1,921,217
finasteride 5 MG Oral Tablet [Proscar]
finasteride
 2 0% T1 0% 1,723,562
atenolol 25 MG Oral Tablet [Tenormin]
atenolol
 2 0% T1 0% 1,630,835
atenolol 50 MG Oral Tablet [Tenormin]
atenolol
 2 0% T1 0% 1,630,835
atenolol 100 MG Oral Tablet [Tenormin]
atenolol
 2 0% T1 0% 1,630,835
atenolol 50 MG / chlorthalidone 25 MG Oral Tablet [Tenoretic]
atenolol
 2 0% T1 0% 1,630,835
atenolol 100 MG / chlorthalidone 25 MG Oral Tablet [Tenoretic]
atenolol
 2 0% T1 0% 1,630,835
celecoxib 50 MG Oral Capsule [Celebrex]
celecoxib
 2 0% T1 0% 1,627,703
celecoxib 100 MG Oral Capsule [Celebrex]
celecoxib
 2 0% T1 0% 1,627,703
celecoxib 200 MG Oral Capsule [Celebrex]
celecoxib
 2 0% T1 0% 1,627,703
celecoxib 400 MG Oral Capsule [Celebrex]
celecoxib
 2 0% T1 0% 1,627,703
mirtazapine 15 MG Disintegrating Oral Tablet [Remeron]
mirtazapine
 2 0% T1 0% 1,551,607
mirtazapine 30 MG Disintegrating Oral Tablet [Remeron]
mirtazapine
 2 0% T1 0% 1,551,607
mirtazapine 45 MG Disintegrating Oral Tablet [Remeron]
mirtazapine
 2 0% T1 0% 1,551,607
mirtazapine 15 MG Oral Tablet [Remeron]
mirtazapine
 2 0% T1 0% 1,551,607
mirtazapine 30 MG Oral Tablet [Remeron]
mirtazapine
 2 0% T1 0% 1,551,607
metronidazole 0.01 MG/MG Topical Gel [MetroGel]
metronidazole
 2 0% T1 0% 1,528,785
metronidazole 7.5 MG/ML Topical Cream [MetroCream]
metronidazole
 2 0% T1 0% 1,528,785
donepezil hydrochloride 5 MG Oral Tablet [Aricept]
donepezil hydrochloride
 2 0% T1 0% 1,468,151
donepezil hydrochloride 10 MG Oral Tablet [Aricept]
donepezil hydrochloride
 2 0% T1 0% 1,468,151
citalopram 10 MG Oral Tablet [Celexa]
citalopram
 2 0% T1 0% 1,454,397
citalopram 20 MG Oral Tablet [Celexa]
citalopram
 2 0% T1 0% 1,454,397
citalopram 40 MG Oral Tablet [Celexa]
citalopram
 2 0% T1 0% 1,454,397
fluoxetine 20 MG Oral Capsule [Prozac]
fluoxetine
 2 0% T1 0% 1,427,221
valacyclovir 1000 MG Oral Tablet [Valtrex]
valacyclovir
 2 0% T1 0% 1,382,297
valacyclovir 500 MG Oral Tablet [Valtrex]
valacyclovir
 2 0% T1 0% 1,382,297
quetiapine 100 MG Oral Tablet [Seroquel]
quetiapine
 2 0% T1 100% 1,335,528
quetiapine 200 MG Oral Tablet [Seroquel]
quetiapine
 2 0% T1 100% 1,335,528
quetiapine 300 MG Oral Tablet [Seroquel]
quetiapine
 2 0% T1 100% 1,335,528
quetiapine 25 MG Oral Tablet [Seroquel]
quetiapine
 2 0% T1 100% 1,335,528
quetiapine 50 MG Oral Tablet [Seroquel]
quetiapine
 2 0% T1 100% 1,335,528
quetiapine 400 MG Oral Tablet [Seroquel]
quetiapine
 2 0% T1 100% 1,335,528
pregabalin 75 MG Oral Capsule [Lyrica]
pregabalin
 2 0% T1 0% 1,328,626
pregabalin 100 MG Oral Capsule [Lyrica]
pregabalin
 2 0% T1 0% 1,328,626
pregabalin 200 MG Oral Capsule [Lyrica]
pregabalin
 2 0% T1 0% 1,328,626
pregabalin 300 MG Oral Capsule [Lyrica]
pregabalin
 2 0% T1 0% 1,328,626
pregabalin 225 MG Oral Capsule [Lyrica]
pregabalin
 2 0% T1 0% 1,328,626
pregabalin 25 MG Oral Capsule [Lyrica]
pregabalin
 2 0% T1 0% 1,328,626
pregabalin 50 MG Oral Capsule [Lyrica]
pregabalin
 2 0% T1 0% 1,328,626
pregabalin 150 MG Oral Capsule [Lyrica]
pregabalin
 2 0% T1 0% 1,328,626
pregabalin 20 MG/ML Oral Solution [Lyrica]
pregabalin
 2 0% T1 0% 1,328,626
estradiol 0.01 MG Vaginal Insert [Vagifem]
estradiol
 2 0% T1 0% 1,289,816
hydrocortisone 25 MG/ML Topical Cream [Anusol HC]
hydrocortisone
 2 0% T1 0% 1,257,661
hydrocortisone 5 MG Oral Tablet [Cortef]
hydrocortisone
 2 0% T1 0% 1,257,661
hydrocortisone 10 MG Oral Tablet [Cortef]
hydrocortisone
 2 0% T1 0% 1,257,661
hydrocortisone 20 MG Oral Tablet [Cortef]
hydrocortisone
 2 0% T1 0% 1,257,661
ofloxacin 3 MG/ML Ophthalmic Solution [Ocuflox]
ofloxacin
 2 0% T1 0% 1,021,068
valsartan 80 MG Oral Tablet [Diovan]
valsartan
 2 0% T1 0% 1,011,848
valsartan 160 MG Oral Tablet [Diovan]
valsartan
 2 0% T1 0% 1,011,848
valsartan 320 MG Oral Tablet [Diovan]
valsartan
 2 0% T1 0% 1,011,848
valsartan 40 MG Oral Tablet [Diovan]
valsartan
 2 0% T1 0% 1,011,848
diltiazem hydrochloride 30 MG Oral Tablet [Cardizem]
diltiazem hydrochloride
 2 0% T1 0% 965,356
diltiazem hydrochloride 60 MG Oral Tablet [Cardizem]
diltiazem hydrochloride
 2 0% T1 0% 965,356
diltiazem hydrochloride 120 MG Oral Tablet [Cardizem]
diltiazem hydrochloride
 2 0% T1 0% 965,356
ketorolac tromethamine 5 MG/ML Ophthalmic Solution [Acular]
ketorolac tromethamine
 2 0% T1 0% 951,621
ketorolac tromethamine 4 MG/ML Ophthalmic Solution [Acular]
ketorolac tromethamine
 2 0% T1 0% 951,621
dexamethasone 0.001 MG/MG / neomycin 0.0035 MG/MG / polymyxin B 10 UNT/MG Ophthalmic Ointment [Maxitrol]
dexamethasone
 2 0% T1 0% 850,184
sucralfate 1000 MG Oral Tablet [Carafate]
sucralfate
 2 0% T1 0% 800,942
olmesartan medoxomil 5 MG Oral Tablet [Benicar]
olmesartan medoxomil
 2 0% T1 0% 773,533
olmesartan medoxomil 40 MG Oral Tablet [Benicar]
olmesartan medoxomil
 2 0% T1 0% 773,533
olmesartan medoxomil 20 MG Oral Tablet [Benicar]
olmesartan medoxomil
 2 0% T1 0% 773,533
levetiracetam 100 MG/ML Oral Solution [Keppra]
levetiracetam
 2 0% T1 0% 766,583
levetiracetam 250 MG Oral Tablet [Keppra]
levetiracetam
 2 0% T1 0% 766,583
levetiracetam 500 MG Oral Tablet [Keppra]
levetiracetam
 2 0% T1 0% 766,583
levetiracetam 750 MG Oral Tablet [Keppra]
levetiracetam
 2 0% T1 0% 766,583
levetiracetam 1000 MG Oral Tablet [Keppra]
levetiracetam
 2 0% T1 0% 766,583
dorzolamide 20 MG/ML / timolol 5 MG/ML Ophthalmic Solution [Cosopt]
dorzolamide
 2 0% T1 0% 710,453
paroxetine hydrochloride 10 MG Oral Tablet [Paxil]
paroxetine hydrochloride
 2 0% T1 0% 697,107
paroxetine hydrochloride 20 MG Oral Tablet [Paxil]
paroxetine hydrochloride
 2 0% T1 0% 697,107
paroxetine hydrochloride 30 MG Oral Tablet [Paxil]
paroxetine hydrochloride
 2 0% T1 0% 697,107
paroxetine hydrochloride 40 MG Oral Tablet [Paxil]
paroxetine hydrochloride
 2 0% T1 0% 697,107
esomeprazole 10 MG Granules for Oral Suspension [Nexium]
esomeprazole
 2 0% T1 0% 685,529
esomeprazole 20 MG Granules for Oral Suspension [Nexium]
esomeprazole
 2 0% T1 0% 685,529
esomeprazole 2.5 MG Granules for Oral Suspension [Nexium]
esomeprazole
 2 0% T1 0% 685,529
esomeprazole 40 MG Granules for Oral Suspension [Nexium]
esomeprazole
 2 0% T1 0% 685,529
esomeprazole 5 MG Granules for Oral Suspension [Nexium]
esomeprazole
 2 0% T1 0% 685,529
esomeprazole 20 MG Delayed Release Oral Capsule [Nexium]
esomeprazole
 2 0% T1 0% 685,529
esomeprazole 40 MG Delayed Release Oral Capsule [Nexium]
esomeprazole
 2 0% T1 0% 685,529
acyclovir 0.05 MG/MG Topical Ointment [Zovirax]
acyclovir
 2 0% T1 100% 670,065
aripiprazole 2 MG Oral Tablet [Abilify]
aripiprazole
 2 0% T1 100% 613,179
aripiprazole 5 MG Oral Tablet [Abilify]
aripiprazole
 2 0% T1 100% 613,179
aripiprazole 10 MG Oral Tablet [Abilify]
aripiprazole
 2 0% T1 100% 613,179
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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.