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Levoxyl is a brand of levothyroxine. What agents check before quoting it: how many 2027 Part D plans cover it, on which tier, with what restrictions and copays, by plan type, carrier and state.
In 2027, 5,051 of 5,492 Medicare Part D and Medicare Advantage drug plans (92%) list Levoxyl on their formulary, across 225 of 286 formularies. The most common placement is tier 1 (2,414 plans, 47.8% of those covering it). 0 of the covering plans require prior authorization (0%), 0 step therapy and 0 a quantity limit. Generic levothyroxine is on 5,492 of 5,492 plans (100%).
2,713 covering plans charge a flat copay for a 30-day supply at a preferred retail pharmacy after the deductible — median $0, 2,453 of them $0; 2,338 charge coinsurance instead — median 20% of the drug's cost. Once a member's out-of-pocket drug spending reaches $2,400 in 2027, covered drugs cost $0 for the rest of the year.
2026: 5,149 of 5,496 plans covered it (93.7%); 2027: 5,051 of 5,492 (92%).
Of 4,367 plans offered in both years, 16 added it to the formulary and 104 dropped it.
Among plans covering it both years, 131 moved it to a higher tier and 136 to a lower one; 0 added prior authorization and 0 removed it.
| Tier | Plans |
|---|---|
| Tier 1 | 2,414 |
| Tier 2 | 389 |
| Tier 3 | 2,192 |
| Tier 4 | 56 |
| Plan type | Plans covering | Share | Prior auth |
|---|---|---|---|
| Stand-alone Part D (PDP) | 265 of 323 | 82% | 0% |
| Medicare Advantage with drugs (MA-PD) | 2,943 of 3,200 | 92% | 0% |
| Special needs plans (SNP) | 1,843 of 1,969 | 93.6% | 0% |
| Carrier | Plans covering | Usual tier | Prior auth |
|---|---|---|---|
| Humana | 846 of 846 | Tier 3 | 0 |
| UnitedHealthcare | 830 of 830 | Tier 3 | 0 |
| Devoted Health | 728 of 728 | Tier 1 | 0 |
| Aetna Medicare | 611 of 631 | Tier 1 | 0 |
| Wellcare | 234 of 268 | Tier 1 | 0 |
| HealthSpring | 226 of 226 | Tier 3 | 0 |
| Kaiser Permanente | 0 of 112 | No tier listed | 0 |
| SCAN Health Plan | 83 of 83 | Tier 1 | 0 |
| Highmark Blue Cross Blue Shield or Highmark Blue Shield | 12 of 80 | Tier 3 | 0 |
| Alignment Health Plan | 77 of 77 | Tier 1 | 0 |
| Anthem Blue Cross and Blue Shield | 74 of 74 | Tier 1 | 0 |
| Wellpoint | 63 of 63 | Tier 1 | 0 |
| Priority Health Medicare | 40 of 40 | Tier 2 | 0 |
| CarePlus Health Plans, Inc. | 37 of 37 | Tier 3 | 0 |
| Zing Health | 36 of 36 | Tier 2 | 0 |
| Capital Blue Cross | 35 of 35 | Tier 3 | 0 |
| Prominence Health Plan | 0 of 29 | No tier listed | 0 |
| Medica | 27 of 27 | Tier 1 | 0 |
| Anthem HealthKeepers | 26 of 26 | Tier 1 | 0 |
| Blue Cross Blue Shield of Michigan | 26 of 26 | Tier 3 | 0 |
| State | Plans covering | Share |
|---|---|---|
| Alabama | 111 of 114 | 97.4% |
| Alaska | 7 of 9 | 77.8% |
| American Samoa | 1 of 1 | 100% |
| Arizona | 137 of 147 | 93.2% |
| Arkansas | 81 of 85 | 95.3% |
| California | 313 of 397 | 78.8% |
| Colorado | 92 of 106 | 86.8% |
| Connecticut | 53 of 54 | 98.1% |
| Delaware | 38 of 43 | 88.4% |
| District of Columbia | 9 of 12 | 75% |
| Florida | 498 of 545 | 91.4% |
| Georgia | 139 of 149 | 93.3% |
| Guam | 1 of 1 | 100% |
| Hawaii | 43 of 50 | 86% |
| Idaho | 44 of 45 | 97.8% |
| Illinois | 130 of 132 | 98.5% |
| Indiana | 133 of 138 | 96.4% |
| Iowa | 63 of 64 | 98.4% |
| Kansas | 81 of 84 | 96.4% |
| Kentucky | 118 of 121 | 97.5% |
| Louisiana | 124 of 125 | 99.2% |
| Maine | 51 of 52 | 98.1% |
| Maryland | 37 of 49 | 75.5% |
| Massachusetts | 88 of 89 | 98.9% |
| Michigan | 177 of 182 | 97.3% |
| Minnesota | 55 of 63 | 87.3% |
| Mississippi | 102 of 104 | 98.1% |
| Missouri | 165 of 170 | 97.1% |
| Montana | 26 of 27 | 96.3% |
| Nebraska | 47 of 51 | 92.2% |
| Nevada | 79 of 100 | 79% |
| New Hampshire | 24 of 25 | 96% |
| New Jersey | 70 of 73 | 95.9% |
| New Mexico | 66 of 68 | 97.1% |
| New York | 191 of 215 | 88.8% |
| North Carolina | 172 of 176 | 97.7% |
| North Dakota | 25 of 26 | 96.2% |
| Northern Mariana Islands | 1 of 1 | 100% |
| Ohio | 161 of 171 | 94.2% |
| Oklahoma | 74 of 81 | 91.4% |
| Oregon | 75 of 92 | 81.5% |
| Pennsylvania | 265 of 323 | 82% |
| Puerto Rico | 64 of 64 | 100% |
| Rhode Island | 28 of 29 | 96.6% |
| South Carolina | 88 of 89 | 98.9% |
| South Dakota | 29 of 30 | 96.7% |
| Tennessee | 151 of 156 | 96.8% |
| Texas | 383 of 407 | 94.1% |
| U.S. Virgin Islands | 1 of 1 | 100% |
| Utah | 52 of 53 | 98.1% |
| Vermont | 13 of 14 | 92.9% |
| Virginia | 136 of 144 | 94.4% |
| Washington | 97 of 114 | 85.1% |
| West Virginia | 61 of 69 | 88.4% |
| Wisconsin | 92 of 96 | 95.8% |
| Wyoming | 12 of 13 | 92.3% |
Medicare Part D paid for 397,838 30-day fills of Levoxyl in 2024 for about 39,680 enrollees, at an average total cost of $15.08 per 30-day fill (CMS Part D Prescribers by Geography and Drug, national).
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Free tools for licensed insurance agents. Data from CMS public files; verify with plan documents before advising a client.
Counts are over every Medicare Advantage drug plan and stand-alone Part D plan in the CMS monthly formulary files, excluding employer plans. A plan counts as covering a drug when any strength or form of it is on the plan’s formulary; the tier, prior authorization, step therapy and quantity limit shown are the most favorable version on that formulary. Copays are for a 30-day supply at a preferred retail pharmacy after the deductible. This is a reference for licensed agents, not a plan recommendation; verify with the plan’s formulary before advising a client. Source: CMS Part D formulary files (release 10/08/2026). CMS formulary data.