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
imatinib 80 MG/ML Oral Solution [Imkeldi] imatinib	5,067	100%	T4	99.4%	14,613
phenytoin 25 MG/ML Oral Suspension phenytoin	5,067	100%	T2	0%	14,557
phenytoin 50 MG Chewable Tablet phenytoin	5,067	100%	T2	0%	14,557
nicotine 0.5 MG/ACTUAT Metered Dose Nasal Spray [Nicotrol] nicotine	5,067	100%	T3	0.9%	14,410
ruxolitinib 5 MG Oral Tablet [Jakafi] ruxolitinib	5,067	100%	T4	99.4%	14,085
ruxolitinib 10 MG Oral Tablet [Jakafi] ruxolitinib	5,067	100%	T4	99.4%	14,085
ruxolitinib 15 MG Oral Tablet [Jakafi] ruxolitinib	5,067	100%	T4	99.4%	14,085
ruxolitinib 20 MG Oral Tablet [Jakafi] ruxolitinib	5,067	100%	T4	99.4%	14,085
ruxolitinib 25 MG Oral Tablet [Jakafi] ruxolitinib	5,067	100%	T4	99.4%	14,085
heparin sodium, porcine 5000 UNT/ML Injectable Solution heparin sodium, porcine	5,067	100%	T2	25.2%	13,864
sumatriptan 25 MG Oral Tablet sumatriptan	5,067	100%	T2	0%	13,833
sumatriptan 50 MG Oral Tablet sumatriptan	5,067	100%	T2	0%	13,833
sumatriptan 100 MG Oral Tablet sumatriptan	5,067	100%	T2	0%	13,833
levobunolol hydrochloride 5 MG/ML Ophthalmic Solution levobunolol hydrochloride	5,067	100%	T2	0%	13,542
itraconazole 100 MG Oral Capsule itraconazole	5,067	100%	T3	18.2%	13,522
midazolam 50 MG/ML Nasal Spray [Nayzilam] midazolam	5,067	100%	T3	27%	13,209
pioglitazone 15 MG Oral Tablet pioglitazone	5,067	100%	T2	0.3%	12,971
pioglitazone 30 MG Oral Tablet pioglitazone	5,067	100%	T2	0.3%	12,971
pioglitazone 45 MG Oral Tablet pioglitazone	5,067	100%	T2	0.3%	12,971
brivaracetam 10 MG Oral Tablet [Briviact] brivaracetam	5,067	100%	T4	46.7%	12,831
brivaracetam 25 MG Oral Tablet [Briviact] brivaracetam	5,067	100%	T4	46.7%	12,831
brivaracetam 50 MG Oral Tablet [Briviact] brivaracetam	5,067	100%	T4	46.7%	12,831
brivaracetam 75 MG Oral Tablet [Briviact] brivaracetam	5,067	100%	T4	46.7%	12,831
brivaracetam 100 MG Oral Tablet [Briviact] brivaracetam	5,067	100%	T4	46.7%	12,831
brivaracetam 10 MG/ML Oral Solution [Briviact] brivaracetam	5,067	100%	T4	46.7%	12,831
pomalidomide 1 MG Oral Capsule [Pomalyst] pomalidomide	5,067	100%	T4	99.4%	12,739
pomalidomide 2 MG Oral Capsule [Pomalyst] pomalidomide	5,067	100%	T4	99.4%	12,739
pomalidomide 3 MG Oral Capsule [Pomalyst] pomalidomide	5,067	100%	T4	99.4%	12,739
pomalidomide 4 MG Oral Capsule [Pomalyst] pomalidomide	5,067	100%	T4	99.4%	12,739
desipramine hydrochloride 10 MG Oral Tablet desipramine hydrochloride	5,067	100%	T3	23.3%	12,471
desipramine hydrochloride 25 MG Oral Tablet desipramine hydrochloride	5,067	100%	T3	23.3%	12,471
desipramine hydrochloride 50 MG Oral Tablet desipramine hydrochloride	5,067	100%	T3	23.3%	12,471
desipramine hydrochloride 75 MG Oral Tablet desipramine hydrochloride	5,067	100%	T3	23.3%	12,471
desipramine hydrochloride 100 MG Oral Tablet desipramine hydrochloride	5,067	100%	T3	23.3%	12,471
desipramine hydrochloride 150 MG Oral Tablet desipramine hydrochloride	5,067	100%	T3	23.3%	12,471
ivabradine 5 MG Oral Tablet ivabradine	5,067	100%	T3	44.5%	12,415
ivabradine 7.5 MG Oral Tablet ivabradine	5,067	100%	T3	44.5%	12,415
mefloquine hydrochloride 250 MG Oral Tablet mefloquine hydrochloride	5,067	100%	T2	0%	11,922
fluphenazine hydrochloride 5 MG/ML Oral Solution fluphenazine hydrochloride	5,067	100%	T3	13.6%	11,896
fluphenazine hydrochloride 0.5 MG/ML Oral Solution fluphenazine hydrochloride	5,067	100%	T3	13.6%	11,896
fluphenazine hydrochloride 1 MG Oral Tablet fluphenazine hydrochloride	5,067	100%	T3	13.6%	11,896
fluphenazine hydrochloride 2.5 MG Oral Tablet fluphenazine hydrochloride	5,067	100%	T3	13.6%	11,896
fluphenazine hydrochloride 5 MG Oral Tablet fluphenazine hydrochloride	5,067	100%	T3	13.6%	11,896
fluphenazine hydrochloride 10 MG Oral Tablet fluphenazine hydrochloride	5,067	100%	T3	13.6%	11,896
fluphenazine hydrochloride 2.5 MG/ML Injectable Solution fluphenazine hydrochloride	5,067	100%	T3	15.8%	11,896
fluphenazine decanoate 25 MG/ML Injectable Solution fluphenazine decanoate	5,067	100%	T3	15.5%	11,896
isoniazid 100 MG Oral Tablet isoniazid	5,067	100%	T1	0%	11,875
isoniazid 300 MG Oral Tablet isoniazid	5,067	100%	T1	0%	11,875
voriconazole 200 MG Oral Tablet voriconazole	5,067	100%	T3	43.3%	11,795
voriconazole 200 MG Injection voriconazole	5,067	100%	T4	98.5%	11,795
cefixime 400 MG Oral Capsule cefixime	5,067	100%	T3	0%	11,613
apalutamide 60 MG Oral Tablet [Erleada] apalutamide	5,067	100%	T4	99.4%	11,077
apalutamide 240 MG Oral Tablet [Erleada] apalutamide	5,067	100%	T4	99.4%	11,077
0.5 ML etanercept 50 MG/ML Prefilled Syringe [Enbrel] etanercept	5,067	100%	T4	98.5%	10,678
1 ML etanercept 50 MG/ML Prefilled Syringe [Enbrel] etanercept	5,067	100%	T4	98.5%	10,678
1 ML etanercept 50 MG/ML Auto-Injector [Enbrel] etanercept	5,067	100%	T4	98.5%	10,678
1 ML etanercept 50 MG/ML Cartridge [Enbrel] etanercept	5,067	100%	T4	98.5%	10,678
0.5 ML etanercept 50 MG/ML Injection [Enbrel] etanercept	5,067	100%	T4	98.5%	10,678
mercaptopurine 20 MG/ML Oral Suspension mercaptopurine	5,067	100%	T4	20.6%	10,603
mercaptopurine 50 MG Oral Tablet mercaptopurine	5,067	100%	T2	0%	10,603
0.5 ML hepatitis A virus strain CR 326F antigen, inactivated 50 UNT/ML Prefilled Syringe [Vaqta] hepatitis A virus strain CR	5,067	100%	T2	0%	10,556
1 ML hepatitis A virus strain CR 326F antigen, inactivated 50 UNT/ML Prefilled Syringe [Vaqta] hepatitis A virus strain CR	5,067	100%	T2	0%	10,556
0.5 ML hepatitis A virus strain CR 326F antigen, inactivated 50 UNT/ML Injection [Vaqta] hepatitis A virus strain CR	5,067	100%	T2	0%	10,556
1 ML hepatitis A virus strain CR 326F antigen, inactivated 50 UNT/ML Injection [Vaqta] hepatitis A virus strain CR	5,067	100%	T2	0%	10,556
cenobamate 25 MG Oral Tablet [Xcopri] cenobamate	5,067	100%	T4	32.7%	9,630
cenobamate 50 MG Oral Tablet [Xcopri] cenobamate	5,067	100%	T4	32.7%	9,630
cenobamate 100 MG Oral Tablet [Xcopri] cenobamate	5,067	100%	T4	32.7%	9,630
{28 (cenobamate 150 MG Oral Tablet [Xcopri]) / 28 (cenobamate 200 MG Oral Tablet) } Pack [Xcopri 350 MG Maintenance Pack] cenobamate	5,067	100%	T4	32.7%	9,630
{28 (cenobamate 100 MG Oral Tablet [Xcopri]) / 28 (cenobamate 150 MG Oral Tablet [Xcopri]) } Pack [Xcopri 250 MG Maintenance Pack - 100 MG (28), 150 MG (28) 56 Count] cenobamate	5,067	100%	T4	32.7%	9,630
cenobamate 150 MG Oral Tablet [Xcopri] cenobamate	5,067	100%	T4	32.7%	9,630
cenobamate 200 MG Oral Tablet [Xcopri] cenobamate	5,067	100%	T4	32.7%	9,630
{14 (cenobamate 12.5 MG Oral Tablet [Xcopri]) / 14 (cenobamate 25 MG Oral Tablet [Xcopri]) } Pack [Xcopri Titration Pack - 12.5 MG (14), 25 MG (14) 28 Count] cenobamate	5,067	100%	T3	32.7%	9,630
{14 (cenobamate 100 MG Oral Tablet [Xcopri]) / 14 (cenobamate 50 MG Oral Tablet [Xcopri]) } Pack [Xcopri Titration Pack - 50 MG (14), 100 MG (14) 28 Count] cenobamate	5,067	100%	T4	32.7%	9,630
{14 (cenobamate 150 MG Oral Tablet [Xcopri]) / 14 (cenobamate 200 MG Oral Tablet [Xcopri]) } Pack [Xcopri Titration Pack - 150 MG (14), 200 MG (14) 28 Count] cenobamate	5,067	100%	T4	32.7%	9,630
riluzole 50 MG Oral Tablet riluzole	5,067	100%	T3	8.2%	9,582
zanubrutinib 160 MG Oral Tablet [Brukinsa] zanubrutinib	5,067	100%	T4	99.4%	9,470
osimertinib 40 MG Oral Tablet [Tagrisso] osimertinib	5,067	100%	T4	99.4%	9,387
osimertinib 80 MG Oral Tablet [Tagrisso] osimertinib	5,067	100%	T4	99.4%	9,387
acitretin 10 MG Oral Capsule acitretin	5,067	100%	T3	33.3%	9,207
acitretin 17.5 MG Oral Capsule acitretin	5,067	100%	T3	33.3%	9,207
acitretin 25 MG Oral Capsule acitretin	5,067	100%	T3	33.3%	9,207
0.5 ML omalizumab 150 MG/ML Prefilled Syringe [Xolair] omalizumab	5,067	100%	T4	100%	9,161
1 ML omalizumab 150 MG/ML Prefilled Syringe [Xolair] omalizumab	5,067	100%	T4	100%	9,161
propylthiouracil 50 MG Oral Tablet propylthiouracil	5,067	100%	T2	0%	8,753
disulfiram 250 MG Oral Tablet disulfiram	5,067	100%	T2	0%	8,729
clindamycin 20 MG/ML Vaginal Cream clindamycin	5,067	100%	T3	0%	8,722
clindamycin 150 MG Oral Capsule clindamycin	5,067	100%	T2	0%	8,722
clindamycin 300 MG Oral Capsule clindamycin	5,067	100%	T2	0%	8,722
posaconazole 100 MG Delayed Release Oral Tablet posaconazole	5,067	100%	T4	90.9%	8,353
eslicarbazepine acetate 200 MG Oral Tablet eslicarbazepine acetate	5,067	100%	T4	15.8%	8,348
eslicarbazepine acetate 400 MG Oral Tablet eslicarbazepine acetate	5,067	100%	T4	15.8%	8,348
eslicarbazepine acetate 600 MG Oral Tablet eslicarbazepine acetate	5,067	100%	T4	15.8%	8,348
eslicarbazepine acetate 800 MG Oral Tablet eslicarbazepine acetate	5,067	100%	T4	15.8%	8,348
poliovirus vaccine inactivated, type 1 (Mahoney) 80 UNT/ML / poliovirus vaccine inactivated, type 2 (MEF-1) 16 UNT/ML / poliovirus vaccine inactivated, type 3 (Saukett) 64 UNT/ML Injectable Suspension [Ipol] poliovirus vaccine inactivated, type	5,067	100%	T2	0%	8,305
vericiguat 10 MG Oral Tablet [Verquvo] vericiguat	5,067	100%	T3	67.6%	8,218
abemaciclib 50 MG Oral Tablet [Verzenio] abemaciclib	5,067	100%	T4	99.4%	8,217
abemaciclib 100 MG Oral Tablet [Verzenio] abemaciclib	5,067	100%	T4	99.4%	8,217
abemaciclib 150 MG Oral Tablet [Verzenio] abemaciclib	5,067	100%	T4	99.4%	8,217
abemaciclib 200 MG Oral Tablet [Verzenio] abemaciclib	5,067	100%	T4	99.4%	8,217
cabozantinib 60 MG Oral Tablet [Cabometyx] cabozantinib	5,067	100%	T4	99.4%	8,210

← Previous Page 10 of 61 Next →

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.

Compiled by Plainmedicare Editorial, Health Insurance Editorial Team