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
12 HR bupropion hydrochloride 100 MG Extended Release Oral Tablet [Wellbutrin] bupropion hydrochloride	2	0%	T1	0%	-
trientine hydrochloride 250 MG Oral Capsule [Syprine] trientine hydrochloride	2	0%	T1	100%	-
Preservative-Free timolol 2.5 MG/ML Ophthalmic Solution [Timoptic] Preservative-Free timolol	2	0%	T1	0%	-
Preservative-Free timolol 5 MG/ML Ophthalmic Solution [Timoptic] Preservative-Free timolol	2	0%	T1	0%	-
24 HR venlafaxine 37.5 MG Extended Release Oral Capsule [Effexor] venlafaxine	2	0%	T1	0%	-
24 HR venlafaxine 75 MG Extended Release Oral Capsule [Effexor] venlafaxine	2	0%	T1	0%	-
24 HR propranolol hydrochloride 60 MG Extended Release Oral Capsule [Inderal] propranolol hydrochloride	2	0%	T1	0%	-
24 HR propranolol hydrochloride 80 MG Extended Release Oral Capsule [Inderal] propranolol hydrochloride	2	0%	T1	0%	-
24 HR propranolol hydrochloride 120 MG Extended Release Oral Capsule [Inderal] propranolol hydrochloride	2	0%	T1	0%	-
24 HR propranolol hydrochloride 160 MG Extended Release Oral Capsule [Inderal] propranolol hydrochloride	2	0%	T1	0%	-
24 HR propranolol hydrochloride 80 MG Extended Release Oral Capsule [InnoPran] propranolol hydrochloride	2	0%	T1	0%	-
24 HR propranolol hydrochloride 120 MG Extended Release Oral Capsule [InnoPran] propranolol hydrochloride	2	0%	T1	0%	-
nitisinone 2 MG Oral Capsule [Orfadin] nitisinone	2	0%	T1	0%	-
nitisinone 5 MG Oral Capsule [Orfadin] nitisinone	2	0%	T1	0%	-
nitisinone 10 MG Oral Capsule [Orfadin] nitisinone	2	0%	T1	0%	-
24 HR metoprolol succinate 25 MG Extended Release Oral Tablet [Toprol] metoprolol succinate	2	0%	T1	0%	-
24 HR metoprolol succinate 50 MG Extended Release Oral Tablet [Toprol] metoprolol succinate	2	0%	T1	0%	-
24 HR metoprolol succinate 100 MG Extended Release Oral Tablet [Toprol] metoprolol succinate	2	0%	T1	0%	-
24 HR metoprolol succinate 200 MG Extended Release Oral Tablet [Toprol] metoprolol succinate	2	0%	T1	0%	-
levothyroxine sodium 0.03 MG/ML Oral Solution [Ermeza] levothyroxine sodium	1	0%	T2	0%	8,687,969
levothyroxine sodium 0.02 MG/ML Oral Solution [Thyquidity] levothyroxine sodium	1	0%	T2	0%	8,687,969
famotidine 20 MG Oral Tablet [Pepcid] famotidine	1	0%	T1	0%	3,593,191
metoclopramide 15 MG/ACTUAT Nasal Spray [Gimoti] metoclopramide	1	0%	T2	100%	402,098
omega-3 acid ethyl esters (USP) 1000 MG Oral Capsule [Lovaza] omega-3	1	0%	T1	0%	223,941
diclofenac potassium 25 MG Oral Tablet diclofenac potassium	1	0%	T1	0%	147,980
9 HR dextroamphetamine 0.5 MG/HR Transdermal System [Xelstrym] dextroamphetamine	1	0%	T2	0%	47
9 HR dextroamphetamine 1 MG/HR Transdermal System [Xelstrym] dextroamphetamine	1	0%	T2	0%	47
9 HR dextroamphetamine 1.5 MG/HR Transdermal System [Xelstrym] dextroamphetamine	1	0%	T2	0%	47
9 HR dextroamphetamine 2 MG/HR Transdermal System [Xelstrym] dextroamphetamine	1	0%	T2	0%	47
24 HR naproxen 500 MG Extended Release Oral Tablet naproxen	1	0%	T1	0%	-
tolmetin 600 MG Oral Tablet tolmetin	1	0%	T4	0%	-
24 HR minocycline 55 MG Extended Release Oral Tablet minocycline	1	0%	T1	0%	-
24 HR minocycline 80 MG Extended Release Oral Tablet minocycline	1	0%	T1	0%	-
24 HR minocycline 105 MG Extended Release Oral Tablet minocycline	1	0%	T1	0%	-
24 HR minocycline 65 MG Extended Release Oral Tablet minocycline	1	0%	T1	0%	-
24 HR minocycline 115 MG Extended Release Oral Tablet minocycline	1	0%	T1	0%	-
{1 (1 ML mirikizumab-mrkz 100 MG/ML Auto-Injector [Omvoh]) / 1 (2 ML mirikizumab-mrkz 100 MG/ML Auto-Injector [Omvoh]) } Pack [Omvoh Prefilled Pen 300 MG Dose Carton] mirikizumab-mrkz	1	0%	T2	100%	-
{1 (1 ML mirikizumab-mrkz 100 MG/ML Prefilled Syringe [Omvoh]) / 1 (2 ML mirikizumab-mrkz 100 MG/ML Prefilled Syringe [Omvoh]) } Pack [Omvoh Prefilled Syringe 300 MG Dose Carton] mirikizumab-mrkz	1	0%	T2	100%	-
1 ML mirikizumab-mrkz 100 MG/ML Auto-Injector [Omvoh] mirikizumab-mrkz	1	0%	T2	100%	-
1 ML mirikizumab-mrkz 100 MG/ML Prefilled Syringe [Omvoh] mirikizumab-mrkz	1	0%	T2	100%	-
{24 (drospirenone 3 MG / ethinyl estradiol 0.02 MG / levomefolate calcium 0.451 MG Oral Tablet) / 4 (levomefolate calcium 0.451 MG Oral Tablet) } Pack [Beyaz 28 Day] drospirenone	1	0%	T2	0%	-
{28 (estradiol 1 MG / norethindrone acetate 0.5 MG Oral Tablet) } Pack [Activella 1/0.5 28 Day] estradiol	1	0%	T1	0%	-
{21 (ethinyl estradiol 0.02 MG / levonorgestrel 0.1 MG Oral Tablet) / 7 (ferrous bisglycinate 36.5 MG Oral Tablet) } Pack [Balcoltra 28 Day] ethinyl estradiol	1	0%	T2	0%	-
50 ML immune globulin intravenous (human) - dira 100 MG/ML Injection [Yimmugo] immune	1	0%	T2	100%	-
100 ML immune globulin intravenous (human) - dira 100 MG/ML Injection [Yimmugo] immune	1	0%	T2	100%	-
200 ML immune globulin intravenous (human) - dira 100 MG/ML Injection [Yimmugo] immune	1	0%	T2	100%	-

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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.

Compiled by Plainmedicare Editorial, Health Insurance Editorial Team