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
albuterol 2 MG Oral Tablet albuterol	4,642	91.6%	T3	0%	1,487
nadolol 20 MG Oral Tablet nadolol	4,639	91.6%	T2	0%	65,690
nadolol 40 MG Oral Tablet nadolol	4,639	91.6%	T2	0%	65,690
nadolol 80 MG Oral Tablet nadolol	4,639	91.6%	T2	0%	65,690
1000 ML glucose 50 MG/ML / potassium chloride 0.02 MEQ/ML Injection glucose	4,635	91.5%	T3	4.6%	-
netarsudil 0.2 MG/ML Ophthalmic Solution [Rhopressa] netarsudil	4,632	91.4%	T3	0.7%	89,044
metronidazole 7.5 MG/ML Topical Lotion metronidazole	4,631	91.4%	T3	0%	1,528,785
metformin hydrochloride 500 MG / pioglitazone 15 MG Oral Tablet metformin hydrochloride	4,628	91.3%	T3	0%	5,918,026
metformin hydrochloride 850 MG / pioglitazone 15 MG Oral Tablet metformin hydrochloride	4,628	91.3%	T3	0%	5,918,026
{28 (letrozole 2.5 MG Oral Tablet [Femara]) / 42 (ribociclib 200 MG Oral Tablet [Kisqali]) } Pack [Kisqali Femara Co-Pack 400] letrozole	4,626	91.3%	T4	99.3%	209
{28 (letrozole 2.5 MG Oral Tablet [Femara]) / 63 (ribociclib 200 MG Oral Tablet [Kisqali]) } Pack [Kisqali Femara Co-Pack 600] letrozole	4,626	91.3%	T4	99.3%	209
4 ML bumetanide 0.25 MG/ML Injection bumetanide	4,626	91.3%	T3	0.8%	-
sofosbuvir 400 MG / velpatasvir 100 MG / voxilaprevir 100 MG Oral Tablet [Vosevi] sofosbuvir	4,620	91.2%	T4	99.7%	18
hydrochlorothiazide 25 MG / metoprolol tartrate 100 MG Oral Tablet hydrochlorothiazide	4,618	91.1%	T2	0%	4,902,174
{21 (drospirenone 3 MG / ethinyl estradiol 0.03 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack drospirenone	4,615	91.1%	T2	0%	-
{24 (drospirenone 3 MG / ethinyl estradiol 0.02 MG Oral Tablet) / 4 (inert ingredients 1 MG Oral Tablet) } Pack [Vestura] drospirenone	4,614	91.1%	T2	0%	406
hydrochlorothiazide 50 MG / metoprolol tartrate 100 MG Oral Tablet hydrochlorothiazide	4,612	91%	T2	0%	4,902,174
1 ML guselkumab 100 MG/ML Prefilled Syringe [Tremfya] guselkumab	4,612	91%	T4	99.3%	8,945
1 ML guselkumab 100 MG/ML Auto-Injector [Tremfya] guselkumab	4,612	91%	T4	99.3%	8,945
2 ML guselkumab 100 MG/ML Auto-Injector [Tremfya] guselkumab	4,612	91%	T4	99.3%	8,945
{2 (2 ML guselkumab 100 MG/ML Auto-Injector [Tremfya]) } Pack [Tremfya Induction Pack for Crohn's Disease] guselkumab	4,612	91%	T4	99.3%	8,945
2 ML guselkumab 100 MG/ML Prefilled Syringe [Tremfya] guselkumab	4,612	91%	T4	99.3%	8,945
{7 (desogestrel 0.1 MG / ethinyl estradiol 0.025 MG Oral Tablet) / 7 (desogestrel 0.125 MG / ethinyl estradiol 0.025 MG Oral Tablet) / 7 (desogestrel 0.15 MG / ethinyl estradiol 0.025 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Velivet 28 Day] desogestrel	4,612	91%	T2	0%	-
{24 (drospirenone 3 MG / ethinyl estradiol 0.02 MG Oral Tablet) / 4 (inert ingredients 1 MG Oral Tablet) } Pack [Jasmiel 28 Day] drospirenone	4,606	90.9%	T2	0%	-
cefprozil 25 MG/ML Oral Suspension cefprozil	4,605	90.9%	T2	0%	22,839
cefprozil 50 MG/ML Oral Suspension cefprozil	4,605	90.9%	T2	0%	22,839
amlodipine 5 MG / olmesartan medoxomil 20 MG Oral Tablet amlodipine	4,597	90.7%	T2	0%	11,575,402
amlodipine 10 MG / olmesartan medoxomil 20 MG Oral Tablet amlodipine	4,597	90.7%	T2	0%	11,575,402
amlodipine 5 MG / olmesartan medoxomil 40 MG Oral Tablet amlodipine	4,597	90.7%	T2	0%	11,575,402
amlodipine 10 MG / olmesartan medoxomil 40 MG Oral Tablet amlodipine	4,597	90.7%	T2	0%	11,575,402
168 HR ethinyl estradiol 0.00146 MG/HR / norelgestromin 0.00625 MG/HR Transdermal System [Xulane] ethinyl estradiol	4,593	90.6%	T2	0%	1,329
1 ML benralizumab 30 MG/ML Auto-Injector [Fasenra] benralizumab	4,591	90.6%	T4	100%	2,747
C1 esterase inhibitor (human) 2000 UNT Injection [Haegarda] C1	4,589	90.6%	T4	99.3%	191
C1 esterase inhibitor (human) 3000 UNT Injection [Haegarda] C1	4,589	90.6%	T4	99.3%	191
linagliptin 5 MG Oral Tablet [Tradjenta] linagliptin	4,588	90.5%	T3	0.3%	286,808
{7 (ethinyl estradiol 0.025 MG / norgestimate 0.18 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.215 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Tri-Lo- Estarylla 28 Day] ethinyl estradiol	4,588	90.5%	T2	0%	-
1 ML evolocumab 140 MG/ML Prefilled Syringe [Repatha] evolocumab	4,587	90.5%	T3	79.9%	-
{7 (ethinyl estradiol 0.025 MG / norgestimate 0.18 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.215 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack ethinyl estradiol	4,573	90.3%	T2	0%	-
alanine 5.4 MG/ML / arginine 12 MG/ML / aspartate 3.2 MG/ML / cysteine 0.24 MG/ML / glutamate 5 MG/ML / glycine 3.6 MG/ML / histidine 4.8 MG/ML / isoleucine 8.2 MG/ML / leucine 1.4 MG/ML / lysine 1.2 MG/ML / methionine 3.4 MG/ML / phenylalanine 4.8 MG/ML / proline 6.8 MG/ML / serine 3.8 MG/ML / sodium acetate 0.097 MEQ/ML / sodium chloride 0.003 MEQ/ML / sodium metabisulfite 0.5 MG/ML / taurine 0.25 MG/ML / threonine 4.2 MG/ML / tryptophan 2 MG/ML / tyrosine 2.84 MG/ML / valine 7.8 MG/ML Injectable Solution [Trophamine 10 %] alanine	4,572	90.2%	T3	98.1%	-
dexmethylphenidate hydrochloride 2.5 MG Oral Tablet dexmethylphenidate hydrochloride	4,569	90.2%	T2	38.9%	9,197
dexmethylphenidate hydrochloride 5 MG Oral Tablet dexmethylphenidate hydrochloride	4,569	90.2%	T2	38.9%	9,197
dexmethylphenidate hydrochloride 10 MG Oral Tablet dexmethylphenidate hydrochloride	4,569	90.2%	T2	38.9%	9,197
ganciclovir 0.0015 MG/MG Ophthalmic Gel [Zirgan] ganciclovir	4,566	90.1%	T3	0%	11,222
cobicistat 150 MG Oral Tablet [Tybost] cobicistat	4,563	90.1%	T3	0%	149
24 HR clarithromycin 500 MG Extended Release Oral Tablet clarithromycin	4,563	90.1%	T3	0%	-
estrogens, conjugated (USP) 0.625 MG/ML Vaginal Cream [Premarin] estrogens,	4,560	90%	T3	0%	241,518
travoprost 0.04 MG/ML Ophthalmic Solution travoprost	4,558	90%	T3	0.4%	123,672
{84 (ethinyl estradiol 0.03 MG / levonorgestrel 0.15 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Iclevia 91 Day] ethinyl estradiol	4,558	90%	T2	0%	-
1.5 ML insulin glargine 300 UNT/ML Pen Injector [Toujeo] insulin glargine	4,554	89.9%	T3	0%	-
3 ML insulin glargine 300 UNT/ML Pen Injector [Toujeo] insulin glargine	4,554	89.9%	T3	0%	-
methadone hydrochloride 1 MG/ML Oral Solution methadone hydrochloride	4,550	89.8%	T2	43.4%	68,081
erythromycin 333 MG Delayed Release Oral Tablet erythromycin	4,550	89.8%	T3	0%	1,861
erythromycin 500 MG Delayed Release Oral Tablet erythromycin	4,542	89.6%	T3	0%	1,861
1000 ML glucose 25 MG/ML / sodium chloride 4.5 MG/ML Injection glucose	4,536	89.5%	T3	0.8%	-
latanoprost 0.05 MG/ML / netarsudil 0.2 MG/ML Ophthalmic Solution [Rocklatan] latanoprost	4,535	89.5%	T3	0.7%	2,403,493
{7 (ethinyl estradiol 0.035 MG / norgestimate 0.18 MG Oral Tablet) / 7 (ethinyl estradiol 0.035 MG / norgestimate 0.215 MG Oral Tablet) / 7 (ethinyl estradiol 0.035 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Tri-Mili 28 Day] ethinyl estradiol	4,535	89.5%	T2	0%	-
candesartan cilexetil 16 MG / hydrochlorothiazide 12.5 MG Oral Tablet candesartan cilexetil	4,530	89.4%	T3	0%	109,771
candesartan cilexetil 32 MG / hydrochlorothiazide 12.5 MG Oral Tablet candesartan cilexetil	4,530	89.4%	T3	0%	109,771
candesartan cilexetil 32 MG / hydrochlorothiazide 25 MG Oral Tablet candesartan cilexetil	4,530	89.4%	T3	0%	109,771
piroxicam 10 MG Oral Capsule piroxicam	4,530	89.4%	T2	0%	17,658
piroxicam 20 MG Oral Capsule piroxicam	4,530	89.4%	T2	0%	17,658
{21 (ethinyl estradiol 0.035 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [VyLibra 28 Day] ethinyl estradiol	4,530	89.4%	T2	0%	-
penicillin G sodium 100000 UNT/ML Injectable Solution penicillin G sodium	4,525	89.3%	T3	10%	53
levothyroxine sodium 0.025 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.05 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.075 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.088 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.1 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.112 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.125 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.137 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.15 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.175 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.2 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
levothyroxine sodium 0.3 MG Oral Tablet [Unithroid] levothyroxine sodium	4,521	89.2%	T2	0%	8,687,969
{7 (ethinyl estradiol 0.035 MG / norgestimate 0.18 MG Oral Tablet) / 7 (ethinyl estradiol 0.035 MG / norgestimate 0.215 MG Oral Tablet) / 7 (ethinyl estradiol 0.035 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Tri-VyLibra 28 Day] ethinyl estradiol	4,519	89.2%	T2	0%	-
60 ACTUAT fluticasone propionate 0.1 MG/ACTUAT / salmeterol 0.05 MG/ACTUAT Dry Powder Inhaler [Wixela]	4,505	88.9%	T2	0%	-
60 ACTUAT fluticasone propionate 0.25 MG/ACTUAT / salmeterol 0.05 MG/ACTUAT Dry Powder Inhaler [Wixela]	4,505	88.9%	T2	0%	-
60 ACTUAT fluticasone propionate 0.5 MG/ACTUAT / salmeterol 0.05 MG/ACTUAT Dry Powder Inhaler [Wixela]	4,505	88.9%	T2	0%	-
rimantadine hydrochloride 100 MG Oral Tablet rimantadine hydrochloride	4,504	88.9%	T3	0%	230
lamotrigine 150 MG Oral Tablet [Subvenite] lamotrigine	4,501	88.8%	T1	0%	611,083
lamotrigine 25 MG Oral Tablet [Subvenite] lamotrigine	4,501	88.8%	T1	0%	611,083
lamotrigine 100 MG Oral Tablet [Subvenite] lamotrigine	4,501	88.8%	T1	0%	611,083
lamotrigine 200 MG Oral Tablet [Subvenite] lamotrigine	4,501	88.8%	T1	0%	611,083
deutetrabenazine 6 MG Oral Tablet [Austedo] deutetrabenazine	4,495	88.7%	T4	99.7%	18,283
deutetrabenazine 9 MG Oral Tablet [Austedo] deutetrabenazine	4,495	88.7%	T4	99.7%	18,283
deutetrabenazine 12 MG Oral Tablet [Austedo] deutetrabenazine	4,495	88.7%	T4	99.7%	18,283
cyclophosphamide 50 MG Oral Tablet cyclophosphamide	4,495	88.7%	T3	100%	1,621
trospium chloride 20 MG Oral Tablet trospium chloride	4,494	88.7%	T2	0.7%	114,171
8 HR methylphenidate hydrochloride 10 MG Extended Release Oral Tablet methylphenidate hydrochloride	4,494	88.7%	T3	40.9%	-
{21 (ethinyl estradiol 0.035 MG / norethindrone 1 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Nylia 1/35 28 Day] ethinyl estradiol	4,492	88.7%	T2	0%	-
ampicillin 2000 MG Injection ampicillin	4,489	88.6%	T3	11.6%	3,864
{7 (ethinyl estradiol 0.035 MG / norethindrone 0.5 MG Oral Tablet) / 7 (ethinyl estradiol 0.035 MG / norethindrone 0.75 MG Oral Tablet) / 7 (ethinyl estradiol 0.035 MG / norethindrone 1 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Nylia 7/7/7 28 Day] ethinyl estradiol	4,484	88.5%	T2	0%	-
2.4 ML aripiprazole 300 MG/ML Prefilled Syringe [Abilify] aripiprazole	4,481	88.4%	T4	2.4%	1,736
3.2 ML aripiprazole 300 MG/ML Prefilled Syringe [Abilify] aripiprazole	4,481	88.4%	T4	2.4%	1,736
mesalamine 1000 MG Rectal Suppository mesalamine	4,477	88.4%	T3	0%	95,185
hydrocortisone 0.01 MG/MG Topical Ointment hydrocortisone	4,474	88.3%	T2	0%	1,257,661
isotretinoin 10 MG Oral Capsule [Accutane] isotretinoin	4,471	88.2%	T3	45.9%	2,097
{21 (ethinyl estradiol 0.05 MG / ethynodiol diacetate 1 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Valtya 1/50 28 Day] ethinyl estradiol	4,471	88.2%	T2	0%	-
Pulmonary Hypertension tadalafil 20 MG Oral Tablet Pulmonary Hypertension tadalafil	4,470	88.2%	T3	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