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
efavirenz 600 MG / lamivudine 300 MG / tenofovir disoproxil fumarate 300 MG Oral Tablet efavirenz	5,067	100%	T4	0%	1,779
efavirenz 400 MG / lamivudine 300 MG / tenofovir disoproxil fumarate 300 MG Oral Tablet efavirenz	5,067	100%	T4	0%	1,779
efavirenz 600 MG Oral Tablet efavirenz	5,067	100%	T3	0%	1,779
tranylcypromine 10 MG Oral Tablet tranylcypromine	5,067	100%	T3	0%	1,773
1.5 ML aripiprazole 200 MG/ML Prefilled Syringe [Abilify] aripiprazole	5,067	100%	T4	3.6%	1,736
2 ML aripiprazole 200 MG/ML Prefilled Syringe [Abilify] aripiprazole	5,067	100%	T4	3.6%	1,736
bosutinib 100 MG Oral Tablet [Bosulif] bosutinib	5,067	100%	T4	99.4%	1,732
bosutinib 500 MG Oral Tablet [Bosulif] bosutinib	5,067	100%	T4	99.4%	1,732
bosutinib 400 MG Oral Tablet [Bosulif] bosutinib	5,067	100%	T4	99.4%	1,732
bosutinib 50 MG Oral Capsule [Bosulif] bosutinib	5,067	100%	T4	99.4%	1,732
vismodegib 150 MG Oral Capsule [Erivedge] vismodegib	5,067	100%	T4	99.4%	1,719
streptomycin 1000 MG Injection streptomycin	5,067	100%	T4	9.1%	1,682
maraviroc 150 MG Oral Tablet maraviroc	5,067	100%	T4	0%	1,674
maraviroc 300 MG Oral Tablet maraviroc	5,067	100%	T4	0%	1,674
maraviroc 20 MG/ML Oral Solution [Selzentry] maraviroc	5,067	100%	T4	0%	1,674
{28 (alpelisib 200 MG Oral Tablet [Piqray]) } Pack [Piqray 200 MG Daily Dose] alpelisib	5,067	100%	T4	99.4%	1,673
{56 (alpelisib 150 MG Oral Tablet [Piqray]) } Pack [Piqray 300 MG Daily Dose] alpelisib	5,067	100%	T4	99.4%	1,673
{28 (alpelisib 200 MG Oral Tablet [Piqray]) / 28 (alpelisib 50 MG Oral Tablet [Piqray]) } Pack [Piqray 250 MG Daily Dose] alpelisib	5,067	100%	T4	99.4%	1,673
colistin 75 MG/ML Injectable Solution colistin	5,067	100%	T3	13.9%	1,652
elacestrant 86 MG Oral Tablet [Orserdu] elacestrant	5,067	100%	T4	99.4%	1,640
elacestrant 345 MG Oral Tablet [Orserdu] elacestrant	5,067	100%	T4	99.4%	1,640
pazopanib 200 MG Oral Tablet pazopanib	5,067	100%	T4	99.4%	1,555
0.5 ML Haemophilus influenzae type b strain 1482, capsular polysaccharide inactivated tetanus toxoid conjugate vaccine 0.068 MG/ML Injection [ActHIB] Haemophilus influenzae type b strain	5,067	100%	T2	0%	1,548
chloroquine phosphate 250 MG Oral Tablet chloroquine phosphate	5,067	100%	T3	0%	1,536
chloroquine phosphate 500 MG Oral Tablet chloroquine phosphate	5,067	100%	T3	0%	1,536
sotorasib 120 MG Oral Tablet [Lumakras] sotorasib	5,067	100%	T4	99.4%	1,527
sotorasib 320 MG Oral Tablet [Lumakras] sotorasib	5,067	100%	T4	99.4%	1,527
sotorasib 240 MG Oral Tablet [Lumakras] sotorasib	5,067	100%	T4	99.4%	1,527
albuterol 0.833 MG/ML / ipratropium bromide 0.167 MG/ML Inhalation Solution albuterol	5,067	100%	T2	99.7%	1,487
albuterol 0.83 MG/ML Inhalation Solution albuterol	5,067	100%	T2	99.7%	1,487
alectinib 150 MG Oral Capsule [Alecensa] alectinib	5,067	100%	T4	99.4%	1,459
aztreonam 75 MG/ML Inhalation Solution [Cayston] aztreonam	5,067	100%	T4	94.5%	1,454
aztreonam 1000 MG Injection aztreonam	5,067	100%	T3	8.5%	1,454
protriptyline hydrochloride 5 MG Oral Tablet protriptyline hydrochloride	5,067	100%	T3	5.8%	1,381
protriptyline hydrochloride 10 MG Oral Tablet protriptyline hydrochloride	5,067	100%	T3	5.8%	1,381
sunitinib 12.5 MG Oral Capsule sunitinib	5,067	100%	T4	99.1%	1,343
sunitinib 25 MG Oral Capsule sunitinib	5,067	100%	T4	99.1%	1,343
sunitinib 37.5 MG Oral Capsule sunitinib	5,067	100%	T4	99.1%	1,343
sunitinib 50 MG Oral Capsule sunitinib	5,067	100%	T4	99.1%	1,343
encorafenib 75 MG Oral Capsule [Braftovi] encorafenib	5,067	100%	T4	99.4%	1,328
rifapentine 150 MG Oral Tablet [Priftin] rifapentine	5,067	100%	T3	0%	1,302
nefazodone hydrochloride 100 MG Oral Tablet nefazodone hydrochloride	5,067	100%	T3	0%	1,249
nefazodone hydrochloride 200 MG Oral Tablet nefazodone hydrochloride	5,067	100%	T3	0%	1,249
nefazodone hydrochloride 250 MG Oral Tablet nefazodone hydrochloride	5,067	100%	T3	0%	1,249
nefazodone hydrochloride 150 MG Oral Tablet nefazodone hydrochloride	5,067	100%	T3	0%	1,249
nefazodone hydrochloride 50 MG Oral Tablet nefazodone hydrochloride	5,067	100%	T3	0%	1,249
12 HR fostemsavir 600 MG Extended Release Oral Tablet [Rukobia] fostemsavir	5,067	100%	T4	0%	1,227
pyrazinamide 500 MG Oral Tablet pyrazinamide	5,067	100%	T3	0%	1,225
ivosidenib 250 MG Oral Tablet [Tibsovo] ivosidenib	5,067	100%	T4	99.4%	1,183
quinine sulfate 324 MG Oral Capsule quinine sulfate	5,067	100%	T3	84.8%	1,138
{24 (selinexor 20 MG Oral Tablet [Xpovio]) } Pack [Xpovio 60 MG Twice Weekly (120 MG total weekly dose) Carton] selinexor	5,067	100%	T4	99.4%	1,117
{32 (selinexor 20 MG Oral Tablet [Xpovio]) } Pack [Xpovio 80 MG Twice Weekly (160 MG total weekly dose) Carton] selinexor	5,067	100%	T4	99.4%	1,117
{8 (selinexor 40 MG Oral Tablet [Xpovio]) } Pack [Xpovio 80 MG Once Weekly Carton-40 MG Tablets] selinexor	5,067	100%	T4	99.4%	1,117
{8 (selinexor 40 MG Oral Tablet [Xpovio]) } Pack [Xpovio 40 MG Twice Weekly (80 MG total weekly dose- 40 MG Tablets) Carton] selinexor	5,067	100%	T4	99.4%	1,117
{4 (selinexor 40 MG Oral Tablet [Xpovio]) } Pack [Xpovio 40 MG Once Weekly Carton-40 MG Tablet] selinexor	5,067	100%	T4	99.4%	1,117
{8 (selinexor 50 MG Oral Tablet [Xpovio]) } Pack [Xpovio 100 MG Once Weekly Carton-50 MG Tablets] selinexor	5,067	100%	T4	99.4%	1,117
{4 (selinexor 60 MG Oral Tablet [Xpovio]) } Pack [Xpovio 60 MG Once Weekly Carton-60 MG Tablet] selinexor	5,067	100%	T4	99.4%	1,117
{16 (selinexor 10 MG Oral Tablet [Xpovio]) } Pack [Xpovio 40 MG Once Weekly Carton-10 MG Tablet] selinexor	5,067	100%	T4	98.8%	1,117
mifepristone 300 MG Oral Tablet mifepristone	5,067	100%	T4	99.7%	1,059
emtricitabine 200 MG / tenofovir disoproxil fumarate 300 MG Oral Tablet emtricitabine	5,067	100%	T3	0%	997
emtricitabine 200 MG / rilpivirine 25 MG / tenofovir disoproxil fumarate 300 MG Oral Tablet emtricitabine	5,067	100%	T4	0%	997
emtricitabine 10 MG/ML Oral Solution [Emtriva] emtricitabine	5,067	100%	T3	0%	997
emtricitabine 200 MG / tenofovir alafenamide 25 MG Oral Tablet [Descovy] emtricitabine	5,067	100%	T4	0%	997
emtricitabine 120 MG / tenofovir alafenamide 15 MG Oral Tablet [Descovy] emtricitabine	5,067	100%	T4	0%	997
emtricitabine 200 MG / rilpivirine 25 MG / tenofovir alafenamide 25 MG Oral Tablet [Odefsey] emtricitabine	5,067	100%	T4	0%	997
emtricitabine 200 MG Oral Capsule emtricitabine	5,067	100%	T3	0%	997
emtricitabine 100 MG / tenofovir disoproxil fumarate 150 MG Oral Tablet emtricitabine	5,067	100%	T3	0%	997
emtricitabine 133 MG / tenofovir disoproxil fumarate 200 MG Oral Tablet emtricitabine	5,067	100%	T4	0%	997
emtricitabine 167 MG / tenofovir disoproxil fumarate 250 MG Oral Tablet emtricitabine	5,067	100%	T3	0%	997
capmatinib 150 MG Oral Tablet [Tabrecta] capmatinib	5,067	100%	T4	99.4%	978
capmatinib 200 MG Oral Tablet [Tabrecta] capmatinib	5,067	100%	T4	99.4%	978
nevirapine 200 MG Oral Tablet nevirapine	5,067	100%	T2	0%	977
nevirapine 10 MG/ML Oral Suspension nevirapine	5,067	100%	T3	0%	977
erlotinib 100 MG Oral Tablet erlotinib	5,067	100%	T4	97%	956
erlotinib 150 MG Oral Tablet erlotinib	5,067	100%	T4	97%	956
erlotinib 25 MG Oral Tablet erlotinib	5,067	100%	T4	97%	956
pacritinib 100 MG Oral Capsule [Vonjo] pacritinib	5,067	100%	T4	99.4%	950
tucatinib 50 MG Oral Tablet [Tukysa] tucatinib	5,067	100%	T4	99.4%	936
tucatinib 150 MG Oral Tablet [Tukysa] tucatinib	5,067	100%	T4	99.4%	936
gilteritinib 40 MG Oral Tablet [Xospata] gilteritinib	5,067	100%	T4	99.1%	924
tivozanib 0.89 MG Oral Capsule [Fotivda] tivozanib	5,067	100%	T4	99.1%	923
tivozanib 1.34 MG Oral Capsule [Fotivda] tivozanib	5,067	100%	T4	99.1%	923
sorafenib 200 MG Oral Tablet sorafenib	5,067	100%	T4	98.8%	916
bexarotene 75 MG Oral Capsule bexarotene	5,067	100%	T4	93.9%	893
bexarotene 0.01 MG/MG Topical Gel bexarotene	5,067	100%	T4	100%	893
0.5 ML Japanese encephalitis virus vaccine Nakayama-NIH strain, inactivated 0.012 MG/ML Prefilled Syringe [Ixiaro] Japanese encephalitis virus vaccine Nakayama-NIH strain, inactivated	5,067	100%	T2	0%	888
ceftaroline fosamil 600 MG Injection [Teflaro] ceftaroline fosamil	5,067	100%	T4	9.1%	887
24 HR selegiline 0.25 MG/HR Transdermal System [Emsam] selegiline	5,067	100%	T4	54.8%	877
24 HR selegiline 0.375 MG/HR Transdermal System [Emsam] selegiline	5,067	100%	T4	54.8%	877
24 HR selegiline 0.5 MG/HR Transdermal System [Emsam] selegiline	5,067	100%	T4	54.8%	877
selegiline hydrochloride 5 MG Oral Capsule selegiline hydrochloride	5,067	100%	T2	0%	877
binimetinib 15 MG Oral Tablet [Mektovi] binimetinib	5,067	100%	T4	99.4%	875
praziquantel 600 MG Oral Tablet praziquantel	5,067	100%	T3	0%	855
ponatinib 30 MG Oral Tablet [Iclusig] ponatinib	5,067	100%	T4	99.4%	841
ponatinib 45 MG Oral Tablet [Iclusig] ponatinib	5,067	100%	T4	99.4%	841
ponatinib 15 MG Oral Tablet [Iclusig] ponatinib	5,067	100%	T4	99.4%	841
ponatinib 10 MG Oral Tablet [Iclusig] ponatinib	5,067	100%	T4	99.4%	841
afatinib 30 MG Oral Tablet [Gilotrif] afatinib	5,067	100%	T4	99.4%	816
afatinib 40 MG Oral Tablet [Gilotrif] afatinib	5,067	100%	T4	99.4%	816
afatinib 20 MG Oral Tablet [Gilotrif] afatinib	5,067	100%	T4	99.4%	816

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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