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
1 ML pasireotide 0.6 MG/ML Injection [Signifor] pasireotide	5,067	100%	T4	98.2%	18
1 ML pasireotide 0.9 MG/ML Injection [Signifor] pasireotide	5,067	100%	T4	98.2%	18
niraparib 100 MG Oral Tablet [Zejula] niraparib	5,067	100%	T4	99.4%	16
niraparib 200 MG Oral Tablet [Zejula] niraparib	5,067	100%	T4	99.4%	16
niraparib 300 MG Oral Tablet [Zejula] niraparib	5,067	100%	T4	99.4%	16
{14 (nirogacestat 100 MG Oral Tablet [Ogsiveo]) } Pack [Ogsiveo 100 MG 7-Day] nirogacestat	5,067	100%	T4	99.1%	14
{14 (nirogacestat 150 MG Oral Tablet [Ogsiveo]) } Pack [Ogsiveo 150 MG 7-Day] nirogacestat	5,067	100%	T4	99.1%	14
amphotericin B 50 MG Injection amphotericin B	5,067	100%	T3	98.8%	12
phenytoin sodium 100 MG Extended Release Oral Capsule phenytoin sodium	5,067	100%	T2	0%	11
phenytoin sodium 30 MG Extended Release Oral Capsule [Dilantin] phenytoin sodium	5,067	100%	T3	3%	11
imlunestrant 200 MG Oral Tablet [Inluriyo] imlunestrant	5,067	100%	T4	98.8%	-
repotrectinib 40 MG Oral Capsule [Augtyro] repotrectinib	5,067	100%	T4	99.4%	-
repotrectinib 160 MG Oral Capsule [Augtyro] repotrectinib	5,067	100%	T4	99.4%	-
{52 (trospium chloride 20 MG / xanomeline 100 MG Oral Capsule [Cobenfy]) / 4 (trospium chloride 20 MG / xanomeline 50 MG Oral Capsule [Cobenfy]) } Pack [Cobenfy 28-Day Starter Kit] trospium chloride	5,067	100%	T4	70.6%	-
human-bovine reassortant rotavirus strain G1 vaccine 1100000 UNT/ML / human-bovine reassortant rotavirus strain G2 vaccine 1400000 UNT/ML / human-bovine reassortant rotavirus strain G3 vaccine 1100000 UNT/ML / human-bovine reassortant rotavirus strain G4 vaccine 1000000 UNT/ML / human-bovine reassortant rotavirus strain P1A[8] vaccine 1150000 UNT/ML Oral Suspension [RotaTeq] human-bovine	5,067	100%	T2	0%	-
0.5 ML hepatitis B surface antigen vaccine 0.01 MG/ML Prefilled Syringe [Recombivax] hepatitis B surface antigen vaccine	5,067	100%	T2	100%	-
1 ML hepatitis B surface antigen vaccine 0.01 MG/ML Prefilled Syringe [Recombivax] hepatitis B surface antigen vaccine	5,067	100%	T2	100%	-
0.5 ML measles virus vaccine live, Enders' attenuated Edmonston strain 2000 UNT/ML / mumps virus vaccine live, Jeryl Lynn strain 25000 UNT/ML / rubella virus vaccine live (Wistar RA 27-3 strain) 2000 UNT/ML Injection [M-M-R II] measles virus vaccine live, Enders' attenuated Edmonston strain	5,067	100%	T2	0%	-
0.5 ML varicella-zoster virus vaccine live (Oka-Merck) strain 2700 UNT/ML Injection [Varivax] varicella-zoster	5,067	100%	T2	0%	-
0.5 ML hepatitis B surface antigen vaccine 0.01 MG/ML Injection [Recombivax] hepatitis B surface antigen vaccine	5,067	100%	T2	100%	-
1 ML hepatitis B surface antigen vaccine 0.04 MG/ML Injection [Recombivax] hepatitis B surface antigen vaccine	5,067	100%	T2	100%	-
1 ML hepatitis B surface antigen vaccine 0.01 MG/ML Injection [Recombivax] hepatitis B surface antigen vaccine	5,067	100%	T2	100%	-
sotatercept-csrk 45 MG Injection [Winrevair] sotatercept-csrk	5,067	100%	T4	99.4%	-
0.65 ML medroxyprogesterone acetate 160 MG/ML Prefilled Syringe [depo-subQ provera] medroxyprogesterone acetate	5,067	100%	T3	0%	-
2 ML dupilumab 150 MG/ML Prefilled Syringe [Dupixent] dupilumab	5,067	100%	T4	100%	-
2 ML dupilumab 150 MG/ML Auto-Injector [Dupixent] dupilumab	5,067	100%	T4	100%	-
0.5 ML Neisseria meningitidis serogroup A capsular polysaccharide tetanus toxoid protein conjugate vaccine 0.01 MG/ML / Neisseria meningitidis serogroup B recombinant LP2086 A05 protein variant antigen 0.12 MG/ML / Neisseria meningitidis serogroup B recombinant LP2086 B01 protein variant antigen 0.12 MG/ML / Neisseria meningitidis serogroup C capsular polysaccharide tetanus toxoid protein conjugate vaccine 0.01 MG/ML / Neisseria meningitidis serogroup W-135 capsular polysaccharide tetanus toxoid protein conjugate vaccine 0.01 MG/ML / Neisseria meningitidis serogroup Y capsular polysaccharide tetanus toxoid protein conjugate vaccine 0.01 MG/ML Injection [Penbraya] Neisseria meningitidis serogroup A capsular polysaccharide tetanus toxoid protein conjugate vaccine	5,067	100%	T2	1.8%	-
{20 (nirmatrelvir 150 MG Oral Tablet) / 10 (ritonavir 100 MG Oral Tablet) } Pack [Paxlovid 5-Day] nirmatrelvir	5,067	100%	T2	0%	-
{10 (nirmatrelvir 150 MG Oral Tablet) / 10 (ritonavir 100 MG Oral Tablet) } Pack [Paxlovid 150 MG /100 MG Dose Pack] nirmatrelvir	5,067	100%	T2	0%	-
1 ML leuprolide acetate 3.75 MG/ML Prefilled Syringe [Lupron] leuprolide acetate	5,067	100%	T4	82.4%	-
3 ML icatibant 10 MG/ML Prefilled Syringe icatibant	5,067	100%	T4	99.1%	-
2 ML methotrexate 25 MG/ML Injection methotrexate	5,067	100%	T2	33%	-
30 ACTUAT fluticasone furoate 0.2 MG/ACTUAT / umeclidinium 0.0625 MG/ACTUAT / vilanterol 0.025 MG/ACTUAT Dry Powder Inhaler [Trelegy]	5,067	100%	T3	0%	-
1000 ML sodium chloride 4.5 MG/ML Injection sodium chloride	5,067	100%	T3	0%	-
72 HR scopolamine 0.0139 MG/HR Transdermal System scopolamine	5,067	100%	T3	29.1%	-
24 HR nitroglycerin 0.1 MG/HR Transdermal System nitroglycerin	5,067	100%	T2	0%	-
24 HR nitroglycerin 0.2 MG/HR Transdermal System nitroglycerin	5,067	100%	T2	0%	-
24 HR nitroglycerin 0.4 MG/HR Transdermal System nitroglycerin	5,067	100%	T2	0%	-
24 HR nitroglycerin 0.6 MG/HR Transdermal System nitroglycerin	5,067	100%	T2	0%	-
72 HR fentanyl 0.075 MG/HR Transdermal System fentanyl	5,067	100%	T3	50%	-
100 ML ciprofloxacin 2 MG/ML Injection ciprofloxacin	5,067	100%	T3	9.7%	-
0.3 ML enoxaparin sodium 100 MG/ML Prefilled Syringe enoxaparin sodium	5,067	100%	T3	0%	-
0.6 ML enoxaparin sodium 100 MG/ML Prefilled Syringe enoxaparin sodium	5,067	100%	T3	0%	-
0.8 ML enoxaparin sodium 100 MG/ML Prefilled Syringe enoxaparin sodium	5,067	100%	T3	0%	-
1 ML enoxaparin sodium 100 MG/ML Prefilled Syringe enoxaparin sodium	5,067	100%	T3	0%	-
0.8 ML enoxaparin sodium 150 MG/ML Prefilled Syringe enoxaparin sodium	5,067	100%	T3	0%	-
Smoking Cessation 12 HR bupropion hydrochloride 150 MG Extended Release Oral Tablet Smoking Cessation	5,067	100%	T2	0%	-
120 ACTUAT albuterol 0.1 MG/ACTUAT / ipratropium bromide 0.02 MG/ACTUAT Inhalation Spray [Combivent]	5,067	100%	T3	0%	-
60 ACTUAT tiotropium 0.00125 MG/ACTUAT Inhalation Spray [Spiriva]	5,067	100%	T3	0.9%	-
zongertinib 60 MG Oral Tablet [Hernexeos] zongertinib	5,067	100%	T4	99.1%	-
1.5 ML elapegademase-lvlr 1.6 MG/ML Injection [Revcovi] elapegademase-lvlr	5,067	100%	T4	97%	-
24 HR isosorbide mononitrate 30 MG Extended Release Oral Tablet isosorbide mononitrate	5,067	100%	T1	0%	-
24 HR isosorbide mononitrate 120 MG Extended Release Oral Tablet isosorbide mononitrate	5,067	100%	T1	0%	-
mecasermin 10 MG/ML Injectable Solution [Increlex] mecasermin	5,067	100%	T4	77.3%	-
0.4 ML enoxaparin sodium 100 MG/ML Prefilled Syringe enoxaparin sodium	5,067	100%	T3	0%	-
mycophenolic acid 360 MG Delayed Release Oral Tablet mycophenolic acid	5,067	100%	T3	100%	-
mycophenolic acid 180 MG Delayed Release Oral Tablet mycophenolic acid	5,067	100%	T3	100%	-
2 ML amikacin 250 MG/ML Injection amikacin	5,067	100%	T3	10%	-
10 ML furosemide 10 MG/ML Injection furosemide	5,067	100%	T2	0%	-
24 HR gepirone 18.2 MG Extended Release Oral Tablet [Exxua] gepirone	5,067	100%	T4	59.1%	-
24 HR gepirone 36.3 MG Extended Release Oral Tablet [Exxua] gepirone	5,067	100%	T4	59.1%	-
24 HR gepirone 54.5 MG Extended Release Oral Tablet [Exxua] gepirone	5,067	100%	T4	59.1%	-
24 HR gepirone 72.6 MG Extended Release Oral Tablet [Exxua] gepirone	5,067	100%	T4	59.1%	-
100 ML metronidazole 5 MG/ML Injection metronidazole	5,067	100%	T3	10%	-
200 ML fluconazole 2 MG/ML Injection fluconazole	5,067	100%	T3	12.4%	-
12 HR ranolazine 500 MG Extended Release Oral Tablet ranolazine	5,067	100%	T3	0%	-
12 HR ranolazine 1000 MG Extended Release Oral Tablet ranolazine	5,067	100%	T3	0%	-
2 ML magnesium sulfate 500 MG/ML Injection magnesium sulfate	5,067	100%	T3	0.6%	-
24 HR nevirapine 400 MG Extended Release Oral Tablet nevirapine	5,067	100%	T3	0%	-
2 ML diazepam 5 MG/ML Rectal Gel diazepam	5,067	100%	T3	0%	-
4 ML diazepam 5 MG/ML Rectal Gel diazepam	5,067	100%	T3	0%	-
24 HR paliperidone 1.5 MG Extended Release Oral Tablet paliperidone	5,067	100%	T3	17.6%	-
24 HR paliperidone 3 MG Extended Release Oral Tablet paliperidone	5,067	100%	T3	17.6%	-
24 HR paliperidone 6 MG Extended Release Oral Tablet paliperidone	5,067	100%	T3	17.6%	-
24 HR metoprolol succinate 100 MG Extended Release Oral Tablet metoprolol succinate	5,067	100%	T1	0%	-
Sprinkle duloxetine 20 MG Delayed Release Oral Capsule [Drizalma] Sprinkle duloxetine	5,067	100%	T3	36.1%	-
Sprinkle duloxetine 30 MG Delayed Release Oral Capsule [Drizalma] Sprinkle duloxetine	5,067	100%	T3	36.1%	-
Sprinkle duloxetine 60 MG Delayed Release Oral Capsule [Drizalma] Sprinkle duloxetine	5,067	100%	T3	36.1%	-
24 HR paliperidone 9 MG Extended Release Oral Tablet paliperidone	5,067	100%	T3	17.6%	-
72 HR fentanyl 0.025 MG/HR Transdermal System fentanyl	5,067	100%	T3	50%	-
72 HR fentanyl 0.05 MG/HR Transdermal System fentanyl	5,067	100%	T3	50%	-
1 ML rabies virus vaccine wistar strain PM-1503-3M (human), inactivated 2.5 UNT/ML Injection [Imovax] rabies	5,067	100%	T2	90.6%	-
0.5 ML Bordetella pertussis filamentous hemagglutinin vaccine, inactivated 0.01 MG/ML / Bordetella pertussis fimbriae 2/3 vaccine, inactivated 0.01 MG/ML / Bordetella pertussis pertactin vaccine, inactivated 0.006 MG/ML / Bordetella pertussis toxoid vaccine, inactivated 0.02 MG/ML / diphtheria toxoid vaccine, inactivated 30 UNT/ML / tetanus toxoid vaccine, inactivated 10 UNT/ML Injection [Daptacel] Bordetella pertussis filamentous hemagglutinin vaccine, inactivated	5,067	100%	T2	0%	-
0.5 ML Bordetella pertussis filamentous hemagglutinin vaccine, inactivated 0.01 MG/ML / Bordetella pertussis fimbriae 2/3 vaccine, inactivated 0.01 MG/ML / Bordetella pertussis pertactin vaccine, inactivated 0.006 MG/ML / Bordetella pertussis toxoid vaccine, inactivated 0.005 MG/ML / diphtheria toxoid vaccine, inactivated 4 UNT/ML / tetanus toxoid vaccine, inactivated 10 UNT/ML Injection [Adacel] Bordetella pertussis filamentous hemagglutinin vaccine, inactivated	5,067	100%	T2	0%	-
0.5 ML Bordetella pertussis filamentous hemagglutinin vaccine, inactivated 0.01 MG/ML / Bordetella pertussis fimbriae 2/3 vaccine, inactivated 0.01 MG/ML / Bordetella pertussis pertactin vaccine, inactivated 0.006 MG/ML / Bordetella pertussis toxoid vaccine, inactivated 0.005 MG/ML / diphtheria toxoid vaccine, inactivated 4 UNT/ML / tetanus toxoid vaccine, inactivated 10 UNT/ML Prefilled Syringe [Adacel] Bordetella pertussis filamentous hemagglutinin vaccine, inactivated	5,067	100%	T2	0%	-
0.5 ML Bordetella pertussis filamentous hemagglutinin vaccine, inactivated 0.04 MG/ML / Bordetella pertussis fimbriae 2/3 vaccine, inactivated 0.01 MG/ML / Bordetella pertussis pertactin vaccine, inactivated 0.006 MG/ML / Bordetella pertussis toxoid vaccine, inactivated 0.04 MG/ML / diphtheria toxoid vaccine, inactivated 30 UNT/ML / poliovirus vaccine inactivated, type 1 (Mahoney) 58 UNT/ML / poliovirus vaccine inactivated, type 2 (MEF-1) 14 UNT/ML / poliovirus vaccine inactivated, type 3 (Saukett) 52 UNT/ML / tetanus toxoid vaccine, inactivated 10 UNT/ML Injection [Quadracel] Bordetella pertussis filamentous hemagglutinin vaccine, inactivated	5,067	100%	T2	0%	-
0.5 ML Bordetella pertussis filamentous hemagglutinin vaccine, inactivated 0.04 MG/ML / Bordetella pertussis fimbriae 2/3 vaccine, inactivated 0.01 MG/ML / Bordetella pertussis pertactin vaccine, inactivated 0.006 MG/ML / Bordetella pertussis toxoid vaccine, inactivated 0.04 MG/ML / diphtheria toxoid vaccine, inactivated 30 UNT/ML / poliovirus vaccine inactivated, type 1 (Mahoney) 58 UNT/ML / poliovirus vaccine inactivated, type 2 (MEF-1) 14 UNT/ML / poliovirus vaccine inactivated, type 3 (Saukett) 52 UNT/ML / tetanus toxoid vaccine, inactivated 10 UNT/ML Prefilled Syringe [Quadracel] Bordetella pertussis filamentous hemagglutinin vaccine, inactivated	5,067	100%	T2	0%	-
1 ML belimumab 200 MG/ML Auto-Injector [Benlysta] belimumab	5,067	100%	T4	99.1%	-
1 ML belimumab 200 MG/ML Prefilled Syringe [Benlysta] belimumab	5,067	100%	T4	99.1%	-
inavolisib 9 MG Oral Tablet [Itovebi] inavolisib	5,067	100%	T4	99.4%	-
inavolisib 3 MG Oral Tablet [Itovebi] inavolisib	5,067	100%	T4	99.4%	-
Vibrio cholerae CVD 103-HGR strain live antigen 12000000 UNT/ML Oral Suspension [Vaxchora] Vibrio cholerae CVD	5,067	100%	T2	5.2%	-
Salmonella typhi Ty21a live antigen 2000000000 UNT Delayed Release Oral Capsule [Vivotif] Salmonella	5,067	100%	T2	0.6%	-
0.8 ML chikungunya virus antigen, recombinant Senegal strain 37997 0.05 MG/ML Prefilled Syringe [Vimkunya] chikungunya virus antigen, recombinant Senegal strain	5,067	100%	T2	0.6%	-
24 HR isosorbide mononitrate 60 MG Extended Release Oral Tablet isosorbide mononitrate	5,067	100%	T1	0%	-
24 HR diltiazem hydrochloride 120 MG Extended Release Oral Capsule diltiazem hydrochloride	5,067	100%	T2	0%	-
24 HR diltiazem hydrochloride 180 MG Extended Release Oral Capsule diltiazem hydrochloride	5,067	100%	T2	0%	-
24 HR diltiazem hydrochloride 240 MG Extended Release Oral Capsule diltiazem hydrochloride	5,067	100%	T2	0%	-
24 HR diltiazem hydrochloride 300 MG Extended Release Oral Capsule diltiazem hydrochloride	5,067	100%	T2	0%	-
24 HR metoprolol succinate 25 MG Extended Release Oral Tablet metoprolol succinate	5,067	100%	T1	0%	-

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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