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
levothyroxine sodium 0.2 MG Oral Tablet [Levoxyl] levothyroxine sodium	4,729	93.3%	T2	0%	8,687,969
fluocinolone acetonide 0.1 MG/ML Topical Oil fluocinolone acetonide	4,727	93.3%	T3	0%	80,799
hydrochlorothiazide 25 MG / metoprolol tartrate 50 MG Oral Tablet hydrochlorothiazide	4,724	93.2%	T2	0%	4,902,174
50 ML clindamycin 6 MG/ML Injection clindamycin	4,722	93.2%	T3	11.4%	-
{84 (ethinyl estradiol 0.03 MG / levonorgestrel 0.15 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Setlakin 91 Day] ethinyl estradiol	4,719	93.1%	T2	0%	-
24 HR dapagliflozin 2.5 MG / metformin hydrochloride 1000 MG Extended Release Oral Tablet [Xigduo] dapagliflozin	4,716	93.1%	T3	0%	-
24 HR dapagliflozin 5 MG / metformin hydrochloride 500 MG Extended Release Oral Tablet [Xigduo] dapagliflozin	4,716	93.1%	T3	0%	-
24 HR dapagliflozin 10 MG / metformin hydrochloride 500 MG Extended Release Oral Tablet [Xigduo] dapagliflozin	4,716	93.1%	T3	0%	-
caffeine 100 MG / ergotamine tartrate 1 MG Oral Tablet caffeine	4,716	93.1%	T3	32.9%	-
{21 (ethinyl estradiol 0.035 MG / ethynodiol diacetate 1 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Valtya 1/35 28 Day] ethinyl estradiol	4,715	93.1%	T2	0%	-
{24 (drospirenone 3 MG / ethinyl estradiol 0.02 MG Oral Tablet) / 4 (inert ingredients 1 MG Oral Tablet) } Pack [Nikki 28 Day] drospirenone	4,713	93%	T2	0%	-
24 HR dapagliflozin 5 MG / metformin hydrochloride 1000 MG Extended Release Oral Tablet [Xigduo] dapagliflozin	4,710	93%	T3	0%	-
24 HR dapagliflozin 10 MG / metformin hydrochloride 1000 MG Extended Release Oral Tablet [Xigduo] dapagliflozin	4,710	93%	T3	0%	-
{21 (ethinyl estradiol 0.02 MG / levonorgestrel 0.1 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Aubra 28 Day] ethinyl estradiol	4,708	92.9%	T2	0%	-
24 HR verapamil hydrochloride 360 MG Extended Release Oral Capsule verapamil hydrochloride	4,706	92.9%	T3	0%	-
omega-3 acid ethyl esters (USP) 1000 MG Oral Capsule omega-3	4,703	92.8%	T2	15.8%	223,941
naloxegol 12.5 MG Oral Tablet [Movantik] naloxegol	4,702	92.8%	T3	13.6%	73,045
1 ML evolocumab 140 MG/ML Auto-Injector [Repatha] evolocumab	4,702	92.8%	T3	79.7%	-
{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-Sprintec 28 Day] ethinyl estradiol	4,701	92.8%	T2	0%	-
{21 (ethinyl estradiol 0.02 MG / norethindrone acetate 1 MG Oral Tablet) } Pack [Junel 1/20 21 Day] ethinyl estradiol	4,701	92.8%	T2	0%	-
Twice-Daily clindamycin 0.01 MG/MG Topical Gel Twice-Daily clindamycin	4,701	92.8%	T2	0%	-
{21 (ethinyl estradiol 0.03 MG / norethindrone acetate 1.5 MG Oral Tablet) } Pack [Junel 1.5/30 21 Day] ethinyl estradiol	4,700	92.8%	T2	0%	-
calcipotriene 0.05 MG/ML Topical Cream calcipotriene	4,699	92.7%	T3	29.4%	72,274
168 HR ethinyl estradiol 0.00146 MG/HR / norelgestromin 0.00625 MG/HR Transdermal System [Zafemy] ethinyl estradiol	4,699	92.7%	T2	0%	1,301
sapropterin dihydrochloride 100 MG Powder for Oral Solution sapropterin dihydrochloride	4,699	92.7%	T4	95.9%	137
sodium chloride 0.154 MEQ/ML Irrigation Solution sodium chloride	4,698	92.7%	T2	0.8%	63
montelukast 4 MG Oral Granules montelukast	4,696	92.7%	T3	0%	3,063,882
{12 (ethinyl estradiol 0.035 MG / norethindrone 0.5 MG Oral Tablet) / 9 (ethinyl estradiol 0.035 MG / norethindrone 1 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Aranelle 28] ethinyl estradiol	4,696	92.7%	T2	0%	-
50 ML clindamycin 18 MG/ML Injection clindamycin	4,696	92.7%	T3	11.6%	-
dronedarone 400 MG Oral Tablet [Multaq] dronedarone	4,694	92.6%	T3	1%	71,895
{21 (ethinyl estradiol 0.03 MG / norethindrone acetate 1.5 MG Oral Tablet) / 7 (ferrous fumarate 75 MG Oral Tablet) } Pack [Blisovi 21 Fe 1.5/30 28 Day Pack] ethinyl estradiol	4,693	92.6%	T2	0%	-
granisetron 1 MG Oral Tablet granisetron	4,690	92.6%	T3	99.6%	1,178
60 ACTUAT fluticasone propionate 0.5 MG/ACTUAT / salmeterol 0.05 MG/ACTUAT Dry Powder Inhaler	4,690	92.6%	T2	0%	-
60 ACTUAT fluticasone propionate 0.1 MG/ACTUAT / salmeterol 0.05 MG/ACTUAT Dry Powder Inhaler	4,690	92.6%	T2	0%	-
60 ACTUAT fluticasone propionate 0.25 MG/ACTUAT / salmeterol 0.05 MG/ACTUAT Dry Powder Inhaler	4,690	92.6%	T2	0%	-
levothyroxine sodium 0.137 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.025 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.05 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.075 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.088 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.1 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.125 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.15 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.175 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.2 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
levothyroxine sodium 0.112 MG Oral Tablet [Synthroid] levothyroxine sodium	4,689	92.5%	T3	0%	8,687,969
50 ML clindamycin 12 MG/ML Injection clindamycin	4,687	92.5%	T3	11.9%	-
{84 (ethinyl estradiol 0.03 MG / levonorgestrel 0.15 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Introvale 91 Day] ethinyl estradiol	4,687	92.5%	T2	0%	-
1.6 ML aripiprazole lauroxil 276 MG/ML Prefilled Syringe [Aristada] aripiprazole lauroxil	4,686	92.5%	T4	11.6%	13,295
2.4 ML aripiprazole lauroxil 276 MG/ML Prefilled Syringe [Aristada] aripiprazole lauroxil	4,686	92.5%	T4	11.6%	13,295
3.2 ML aripiprazole lauroxil 276 MG/ML Prefilled Syringe [Aristada] aripiprazole lauroxil	4,686	92.5%	T4	11.6%	13,295
3.9 ML aripiprazole lauroxil 273 MG/ML Prefilled Syringe [Aristada] aripiprazole lauroxil	4,686	92.5%	T4	11.6%	13,295
2.4 ML aripiprazole lauroxil 281.3 MG/ML Prefilled Syringe [Aristada] aripiprazole lauroxil	4,686	92.5%	T4	11.6%	13,295
levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] levothyroxine sodium	4,685	92.5%	T3	0%	8,687,969
amylase 42000 UNT / lipase 10000 UNT / protease 32000 UNT Delayed Release Oral Capsule [Zenpep] amylase	4,684	92.4%	T3	0.4%	245
amylase 63000 UNT / lipase 15000 UNT / protease 47000 UNT Delayed Release Oral Capsule [Zenpep] amylase	4,684	92.4%	T3	0.4%	245
amylase 84000 UNT / lipase 20000 UNT / protease 63000 UNT Delayed Release Oral Capsule [Zenpep] amylase	4,684	92.4%	T3	0.4%	245
amylase 14000 UNT / lipase 3000 UNT / protease 10000 UNT Delayed Release Oral Capsule [Zenpep] amylase	4,684	92.4%	T3	0.4%	245
amylase 168000 UNT / lipase 40000 UNT / protease 126000 UNT Delayed Release Oral Capsule [Zenpep] amylase	4,684	92.4%	T3	0.4%	245
amylase 24000 UNT / lipase 5000 UNT / protease 17000 UNT Delayed Release Oral Capsule [Zenpep] amylase	4,684	92.4%	T3	0.4%	245
amylase 105000 UNT / lipase 25000 UNT / protease 79000 UNT Delayed Release Oral Capsule [Zenpep] amylase	4,684	92.4%	T3	0.4%	245
amylase 252600 UNT / lipase 60000 UNT / protease 189600 UNT Delayed Release Oral Capsule [Zenpep] amylase	4,684	92.4%	T3	0.4%	245
{28 (norethindrone 0.35 MG Oral Tablet) } Pack [Nora-BE 28 Day] norethindrone	4,684	92.4%	T2	0%	-
8 HR methylphenidate hydrochloride 20 MG Extended Release Oral Tablet methylphenidate hydrochloride	4,684	92.4%	T3	42.6%	-
piperacillin 200 MG/ML / tazobactam 25 MG/ML Injectable Solution piperacillin	4,677	92.3%	T3	0%	22,422
{21 (ethinyl estradiol 0.02 MG / norethindrone acetate 1 MG Oral Tablet) } Pack ethinyl estradiol	4,677	92.3%	T2	0%	-
{28 (norethindrone 0.35 MG Oral Tablet) } Pack [Lyleq 28 Day] norethindrone	4,674	92.2%	T2	0%	-
calcitriol 0.001 MG/ML Oral Solution calcitriol	4,672	92.2%	T3	24.6%	310,587
deferasirox 180 MG Oral Tablet deferasirox	4,672	92.2%	T3	94.2%	3,436
erythromycin 250 MG Delayed Release Oral Tablet erythromycin	4,670	92.2%	T3	0%	1,861
0.5 ML ustekinumab 90 MG/ML Injection [Stelara] ustekinumab	4,668	92.1%	T4	99.2%	-
0.5 ML ustekinumab 90 MG/ML Injection ustekinumab	4,668	92.1%	T4	98.8%	-
isotretinoin 10 MG Oral Capsule [Amnesteem] isotretinoin	4,667	92.1%	T3	42.7%	2,097
isotretinoin 20 MG Oral Capsule [Amnesteem] isotretinoin	4,667	92.1%	T3	42.7%	2,097
isotretinoin 40 MG Oral Capsule [Amnesteem] isotretinoin	4,667	92.1%	T3	42.7%	2,097
30 ACTUAT fluticasone furoate 0.1 MG/ACTUAT Dry Powder Inhaler [Arnuity]	4,666	92.1%	T3	0%	-
30 ACTUAT fluticasone furoate 0.2 MG/ACTUAT Dry Powder Inhaler [Arnuity]	4,666	92.1%	T3	0%	-
30 ACTUAT fluticasone furoate 0.05 MG/ACTUAT Dry Powder Inhaler [Arnuity]	4,666	92.1%	T3	0%	-
1000 ML glucose 50 MG/ML / potassium chloride 0.02 MEQ/ML / sodium chloride 2.25 MG/ML Injection glucose	4,666	92.1%	T3	1.2%	-
deferasirox 360 MG Oral Tablet deferasirox	4,664	92%	T3	94.2%	3,436
isotretinoin 30 MG Oral Capsule [Amnesteem] isotretinoin	4,664	92%	T3	42.7%	2,097
carbidopa 12.5 MG / entacapone 200 MG / levodopa 50 MG Oral Tablet carbidopa	4,657	91.9%	T3	0%	4,842
carbidopa 18.75 MG / entacapone 200 MG / levodopa 75 MG Oral Tablet carbidopa	4,657	91.9%	T3	0%	4,842
carbidopa 25 MG / entacapone 200 MG / levodopa 100 MG Oral Tablet carbidopa	4,657	91.9%	T3	0%	4,842
carbidopa 31.25 MG / entacapone 200 MG / levodopa 125 MG Oral Tablet carbidopa	4,657	91.9%	T3	0%	4,842
carbidopa 37.5 MG / entacapone 200 MG / levodopa 150 MG Oral Tablet carbidopa	4,657	91.9%	T3	0%	4,842
carbidopa 50 MG / entacapone 200 MG / levodopa 200 MG Oral Tablet carbidopa	4,657	91.9%	T3	0%	4,842
entecavir 0.05 MG/ML Oral Solution [Baraclude] entecavir	4,656	91.9%	T4	2.7%	23,172
abiraterone acetate 250 MG Oral Tablet [Abirtega] abiraterone acetate	4,655	91.9%	T3	85.2%	45,661
ampicillin 100 MG/ML / sulbactam 50 MG/ML Injectable Solution ampicillin	4,655	91.9%	T3	10%	3,864
3 ML insulin glargine 100 UNT/ML / lixisenatide 0.033 MG/ML Pen Injector [Soliqua] insulin glargine	4,655	91.9%	T3	0%	-
{24 (drospirenone 3 MG / ethinyl estradiol 0.02 MG Oral Tablet) / 4 (inert ingredients 1 MG Oral Tablet) } Pack [Loryna 28 Day] drospirenone	4,655	91.9%	T2	0%	-
doxycycline monohydrate 75 MG Oral Tablet doxycycline monohydrate	4,654	91.8%	T2	0%	1,315,899
aztreonam 2000 MG Injection aztreonam	4,654	91.8%	T3	9.2%	1,454
albuterol 4 MG Oral Tablet albuterol	4,651	91.8%	T3	0%	1,487
168 HR ethinyl estradiol 0.00146 MG/HR / norelgestromin 0.00625 MG/HR Transdermal System ethinyl estradiol	4,650	91.8%	T2	0%	-
24 HR memantine hydrochloride 28 MG Extended Release Oral Capsule memantine hydrochloride	4,644	91.7%	T3	49.8%	-
24 HR memantine hydrochloride 7 MG Extended Release Oral Capsule memantine hydrochloride	4,644	91.7%	T3	49.8%	-
24 HR memantine hydrochloride 14 MG Extended Release Oral Capsule memantine hydrochloride	4,644	91.7%	T3	49.8%	-
24 HR memantine hydrochloride 21 MG Extended Release Oral Capsule memantine hydrochloride	4,644	91.7%	T3	49.8%	-

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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