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
60 ACTUAT testosterone 12.5 MG/ACTUAT Topical Gel	4,019	79.3%	T3	90.3%	-
1000 ML potassium chloride 0.04 MEQ/ML / sodium chloride 9 MG/ML Injection potassium chloride	4,017	79.3%	T3	0%	-
ciprofloxacin 3 MG/ML / dexamethasone 1 MG/ML Otic Suspension ciprofloxacin	4,016	79.3%	T3	0%	1,810
1 ML erenumab-aooe 70 MG/ML Auto-Injector [Aimovig] erenumab-aooe	4,014	79.2%	T3	98.7%	-
1 ML erenumab-aooe 140 MG/ML Auto-Injector [Aimovig] erenumab-aooe	4,014	79.2%	T3	98.7%	-
oxacillin 100 MG/ML Injectable Solution oxacillin	4,013	79.2%	T3	14.3%	12
84 HR estradiol 0.00417 MG/HR Transdermal System estradiol	4,013	79.2%	T3	3.5%	-
84 HR estradiol 0.00313 MG/HR Transdermal System estradiol	4,013	79.2%	T3	3.5%	-
84 HR estradiol 0.00156 MG/HR Transdermal System estradiol	4,013	79.2%	T3	3.5%	-
84 HR estradiol 0.00104 MG/HR Transdermal System estradiol	4,013	79.2%	T3	3.5%	-
84 HR estradiol 0.00208 MG/HR Transdermal System estradiol	4,013	79.2%	T3	3.5%	-
latanoprostene bunod 0.24 MG/ML Ophthalmic Solution [Vyzulta] latanoprostene bunod	4,009	79.1%	T3	0.6%	69,308
calcipotriene 0.00005 MG/MG Topical Ointment calcipotriene	4,005	79%	T3	28.4%	72,274
vibegron 75 MG Oral Tablet [Gemtesa] vibegron	4,001	79%	T3	1%	187,161
rimegepant 75 MG Disintegrating Oral Tablet [Nurtec] rimegepant	3,999	78.9%	T3	98.1%	83,811
24 HR fluvastatin 80 MG Extended Release Oral Tablet fluvastatin	3,995	78.8%	T3	0%	-
28 ACTUAT teriparatide 0.02 MG/ACTUAT Pen Injector	3,994	78.8%	T4	89.8%	-
NDA020983 200 ACTUAT albuterol 0.09 MG/ACTUAT Metered Dose Inhaler NDA020983	3,985	78.6%	T2	0%	-
amiodarone hydrochloride 200 MG Oral Tablet [Pacerone] amiodarone hydrochloride	3,981	78.6%	T2	0%	797,134
icosapent ethyl 500 MG Oral Capsule [Vascepa] icosapent ethyl	3,975	78.4%	T3	0%	279,946
icosapent ethyl 1000 MG Oral Capsule [Vascepa] icosapent ethyl	3,971	78.4%	T3	0%	279,946
30 ACTUAT umeclidinium 0.0625 MG/ACTUAT / vilanterol 0.025 MG/ACTUAT Dry Powder Inhaler [Anoro]	3,970	78.4%	T3	0%	-
60 ACTUAT salmeterol 0.05 MG/ACTUAT Dry Powder Inhaler [Serevent]	3,969	78.3%	T3	0%	-
{24 (ethinyl estradiol 0.02 MG / norethindrone acetate 1 MG Oral Tablet) / 4 (ferrous fumarate 75 MG Oral Tablet) } Pack [Tarina 24 FE 1/20 28 Day] ethinyl estradiol	3,969	78.3%	T2	0%	-
3 ML insulin aspart protamine, human 70 UNT/ML / insulin aspart, human 30 UNT/ML Pen Injector [NovoLog Mix] insulin aspart protamine, human	3,968	78.3%	T3	0%	-
sodium polystyrene sulfonate 250 MG/ML Oral Suspension [Kionex] sodium polystyrene sulfonate	3,966	78.3%	T3	0%	29,272
insulin aspart protamine, human 70 UNT/ML / insulin aspart, human 30 UNT/ML Injectable Suspension [NovoLog Mix] insulin aspart protamine, human	3,961	78.2%	T3	0%	418,431
naltrexone 380 MG Injection [Vivitrol] naltrexone	3,959	78.1%	T4	0%	635
interferon beta-1b 0.3 MG Injection [Betaseron] interferon	3,956	78.1%	T4	84.2%	43
lidocaine 0.05 MG/MG Topical Ointment lidocaine	3,955	78.1%	T3	69.4%	481,042
trihexyphenidyl hydrochloride 0.4 MG/ML Oral Solution trihexyphenidyl hydrochloride	3,955	78.1%	T2	12.7%	31,777
dantrolene sodium 25 MG Oral Capsule dantrolene sodium	3,952	78%	T3	0%	6,406
dantrolene sodium 100 MG Oral Capsule dantrolene sodium	3,952	78%	T3	0%	6,406
caspofungin acetate 70 MG Injection caspofungin acetate	3,951	78%	T3	12.4%	915
digoxin 0.05 MG/ML Oral Solution digoxin	3,950	78%	T3	1.7%	392,747
0.4 ML ofatumumab 50 MG/ML Pen Injector [Kesimpta] ofatumumab	3,945	77.9%	T4	84.9%	-
teriflunomide 7 MG Oral Tablet teriflunomide	3,939	77.7%	T3	63.5%	6,565
teriflunomide 14 MG Oral Tablet teriflunomide	3,939	77.7%	T3	63.5%	6,565
vigabatrin 500 MG Powder for Oral Solution [Vigadrone] vigabatrin	3,937	77.7%	T4	75.9%	124
dextroamphetamine sulfate 5 MG Oral Tablet dextroamphetamine sulfate	3,930	77.6%	T3	1%	9,950
dextroamphetamine sulfate 10 MG Oral Tablet dextroamphetamine sulfate	3,930	77.6%	T3	1%	9,950
1 ML galcanezumab-gnlm 120 MG/ML Auto-Injector [Emgality] galcanezumab-gnlm	3,929	77.5%	T3	98.7%	-
1 ML galcanezumab-gnlm 120 MG/ML Prefilled Syringe [Emgality] galcanezumab-gnlm	3,929	77.5%	T3	98.7%	-
tolvaptan 15 MG Oral Tablet tolvaptan	3,927	77.5%	T4	95.9%	1,228
tolvaptan 30 MG Oral Tablet tolvaptan	3,927	77.5%	T4	96.3%	1,228
estradiol valerate 10 MG/ML Injectable Solution estradiol valerate	3,924	77.4%	T3	0%	4,078
clindamycin 10 MG/ML Topical Lotion clindamycin	3,919	77.3%	T2	0%	8,722
3 ML insulin isophane, human 70 UNT/ML / insulin, regular, human 30 UNT/ML Pen Injector [Novolin] insulin isophane, human	3,918	77.3%	T3	0%	-
amiodarone hydrochloride 100 MG Oral Tablet [Pacerone] amiodarone hydrochloride	3,914	77.2%	T3	0%	797,134
insulin, regular, human 100 UNT/ML Injectable Solution [Novolin R] insulin, regular, human	3,914	77.2%	T3	19.8%	418,431
insulin isophane, human 100 UNT/ML Injectable Suspension [Novolin N] insulin isophane, human	3,914	77.2%	T3	0%	418,431
insulin isophane, human 70 UNT/ML / insulin, regular, human 30 UNT/ML Injectable Suspension [Novolin] insulin isophane, human	3,914	77.2%	T3	0%	418,431
3 ML insulin isophane, human 100 UNT/ML Pen Injector [Novolin N] insulin isophane, human	3,914	77.2%	T3	0%	29,090
sulfacetamide sodium 100 MG/ML Topical Lotion sulfacetamide sodium	3,909	77.1%	T3	0%	23,854
NDA020800 0.15 ML epinephrine 1 MG/ML Auto-Injector NDA020800	3,909	77.1%	T3	0%	-
{24 (ethinyl estradiol 0.02 MG / norethindrone acetate 1 MG Oral Tablet) / 4 (ferrous fumarate 75 MG Oral Tablet) } Pack [Hailey 24 Fe 28 Day] ethinyl estradiol	3,907	77.1%	T2	0%	-
dantrolene sodium 50 MG Oral Capsule dantrolene sodium	3,906	77.1%	T3	0%	6,406
cefpodoxime 10 MG/ML Oral Suspension cefpodoxime	3,902	77%	T3	0%	330,545
cefpodoxime 20 MG/ML Oral Suspension cefpodoxime	3,902	77%	T3	0%	330,545
caspofungin acetate 50 MG Injection caspofungin acetate	3,901	77%	T3	10.9%	915
pindolol 5 MG Oral Tablet pindolol	3,898	76.9%	T2	0%	5,745
pindolol 10 MG Oral Tablet pindolol	3,898	76.9%	T2	0%	5,745
everolimus 2.5 MG Oral Tablet [Torpenz] everolimus	3,891	76.8%	T4	99.2%	6,726
everolimus 5 MG Oral Tablet [Torpenz] everolimus	3,891	76.8%	T4	99.2%	6,726
everolimus 7.5 MG Oral Tablet [Torpenz] everolimus	3,891	76.8%	T4	99.2%	6,726
everolimus 10 MG Oral Tablet [Torpenz] everolimus	3,891	76.8%	T4	99.2%	6,726
84 HR estradiol 0.00104 MG/HR Transdermal System [Dotti] estradiol	3,890	76.8%	T3	3.2%	24,304
84 HR estradiol 0.00156 MG/HR Transdermal System [Dotti] estradiol	3,890	76.8%	T3	3.2%	24,304
84 HR estradiol 0.00208 MG/HR Transdermal System [Dotti] estradiol	3,890	76.8%	T3	3.2%	24,304
84 HR estradiol 0.00313 MG/HR Transdermal System [Dotti] estradiol	3,890	76.8%	T3	3.2%	24,304
84 HR estradiol 0.00417 MG/HR Transdermal System [Dotti] estradiol	3,890	76.8%	T3	3.2%	24,304
sapropterin dihydrochloride 100 MG Oral Tablet sapropterin dihydrochloride	3,878	76.5%	T4	94.6%	137
0.5 ML filgrastim-sndz 0.6 MG/ML Prefilled Syringe [Zarxio] filgrastim-sndz	3,877	76.5%	T4	72%	8,324
0.8 ML filgrastim-sndz 0.6 MG/ML Prefilled Syringe [Zarxio] filgrastim-sndz	3,877	76.5%	T4	72%	8,324
ivacaftor 150 MG Oral Tablet [Kalydeco] ivacaftor	3,876	76.5%	T4	99.7%	91
droxidopa 100 MG Oral Capsule droxidopa	3,873	76.4%	T3	96.2%	5,473
droxidopa 300 MG Oral Capsule droxidopa	3,873	76.4%	T4	96.2%	5,473
nizatidine 150 MG Oral Capsule nizatidine	3,867	76.3%	T3	0%	1,039
timolol 0.005 MG/MG Ophthalmic Gel timolol	3,864	76.3%	T3	0%	6,978
timolol 0.0025 MG/MG Ophthalmic Gel timolol	3,863	76.2%	T3	0%	6,978
nizatidine 300 MG Oral Capsule nizatidine	3,861	76.2%	T3	0%	1,039
ivacaftor 125 MG / lumacaftor 100 MG Oral Tablet [ORKAMBI] ivacaftor	3,859	76.2%	T4	99.4%	91
ivacaftor 125 MG / lumacaftor 200 MG Oral Tablet [ORKAMBI] ivacaftor	3,859	76.2%	T4	99.4%	91
droxidopa 200 MG Oral Capsule droxidopa	3,858	76.1%	T4	96.8%	5,473
megestrol acetate 125 MG/ML Oral Suspension megestrol acetate	3,853	76%	T3	69.7%	168,919
{24 (ethinyl estradiol 0.02 MG / norethindrone acetate 1 MG Oral Tablet) / 4 (ferrous fumarate 75 MG Oral Tablet) } Pack [Blisovi 24 Fe 1/20 28 Day] ethinyl estradiol	3,848	75.9%	T2	0%	-
200 ACTUAT levalbuterol 0.045 MG/ACTUAT Metered Dose Inhaler	3,843	75.8%	T3	0%	-
500 ML soybean oil 200 MG/ML Injection [Nutrilipid] soybean oil	3,840	75.8%	T3	99%	-
{7 (ethinyl estradiol 0.01 MG Oral Tablet) / 84 (ethinyl estradiol 0.02 MG / levonorgestrel 0.1 MG Oral Tablet) } Pack ethinyl estradiol	3,837	75.7%	T2	0%	-
mesalamine 1200 MG Delayed Release Oral Tablet mesalamine	3,835	75.7%	T3	0%	95,185
zaleplon 5 MG Oral Capsule zaleplon	3,832	75.6%	T2	18.2%	45,502
zaleplon 10 MG Oral Capsule zaleplon	3,832	75.6%	T2	18.2%	45,502
metronidazole 0.01 MG/MG Topical Gel metronidazole	3,830	75.6%	T3	0%	1,528,785
1 ML benralizumab 30 MG/ML Prefilled Syringe [Fasenra] benralizumab	3,830	75.6%	T4	100%	2,747
bosentan 62.5 MG Oral Tablet bosentan	3,830	75.6%	T4	99.3%	715
bosentan 125 MG Oral Tablet bosentan	3,830	75.6%	T4	99.3%	715
magnesium chloride 0.00148 MEQ/ML / potassium chloride 0.00497 MEQ/ML / sodium acetate 0.027 MEQ/ML / sodium chloride 0.0899 MEQ/ML / sodium gluconate 5.02 MG/ML Injectable Solution magnesium chloride	3,824	75.5%	T3	0%	-
alanine 27.6 MG/ML / arginine 19.6 MG/ML / aspartate 6 MG/ML / glutamate 10.2 MG/ML / glycine 20.6 MG/ML / histidine 11.8 MG/ML / isoleucine 10.8 MG/ML / leucine 10.8 MG/ML / lysine 13.5 MG/ML / methionine 7.6 MG/ML / phenylalanine 10 MG/ML / proline 13.4 MG/ML / serine 10.2 MG/ML / threonine 9.8 MG/ML / tryptophan 3.2 MG/ML / tyrosine 0.5 MG/ML / valine 14.4 MG/ML Injectable Solution [Prosol] alanine	3,807	75.1%	T3	98.8%	4,578
propranolol hydrochloride 4 MG/ML Oral Solution propranolol hydrochloride	3,801	75%	T2	0%	671,925
propranolol hydrochloride 8 MG/ML Oral Solution propranolol hydrochloride	3,796	74.9%	T2	0%	671,925

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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