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Glyburide is a generic drug. 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, 1,233 of 5,492 Medicare Part D and Medicare Advantage drug plans (22.5%) list Glyburide on their formulary, across 165 of 286 formularies. The most common placement is tier 1 (579 plans, 47% of those covering it). 115 of the covering plans require prior authorization (9.3%), 16 step therapy and 541 a quantity limit.
1,096 covering plans charge a flat copay for a 30-day supply at a preferred retail pharmacy after the deductible — median $0, 812 of them $0; 137 charge coinsurance instead — median 25% 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: 1,348 of 5,496 plans covered it (24.5%); 2027: 1,233 of 5,492 (22.5%).
Of 4,367 plans offered in both years, 41 added it to the formulary and 50 dropped it.
Among plans covering it both years, 31 moved it to a higher tier and 147 to a lower one; 13 added prior authorization and 6 removed it.
| Tier | Plans |
|---|---|
| Tier 1 | 579 |
| Tier 2 | 375 |
| Tier 3 | 21 |
| Tier 4 | 2 |
| Tier 5 | 3 |
| Tier 6 | 253 |
| Plan type | Plans covering | Share | Prior auth |
|---|---|---|---|
| Stand-alone Part D (PDP) | 16 of 323 | 5% | 0% |
| Medicare Advantage with drugs (MA-PD) | 753 of 3,200 | 23.5% | 7.4% |
| Special needs plans (SNP) | 464 of 1,969 | 23.6% | 12.7% |
| Carrier | Plans covering | Usual tier | Prior auth |
|---|---|---|---|
| Humana | 0 of 846 | No tier listed | 0 |
| UnitedHealthcare | 0 of 830 | No tier listed | 0 |
| Devoted Health | 0 of 728 | No tier listed | 0 |
| Aetna Medicare | 0 of 631 | No tier listed | 0 |
| Wellcare | 0 of 268 | No tier listed | 0 |
| HealthSpring | 0 of 226 | No tier listed | 0 |
| Kaiser Permanente | 112 of 112 | Tier 2 | 0 |
| SCAN Health Plan | 0 of 83 | No tier listed | 0 |
| Highmark Blue Cross Blue Shield or Highmark Blue Shield | 80 of 80 | Tier 2 | 0 |
| Alignment Health Plan | 77 of 77 | Tier 6 | 0 |
| Anthem Blue Cross and Blue Shield | 74 of 74 | Tier 1 | 0 |
| Wellpoint | 63 of 63 | Tier 1 | 0 |
| Priority Health Medicare | 0 of 40 | No tier listed | 0 |
| CarePlus Health Plans, Inc. | 0 of 37 | No tier listed | 0 |
| Zing Health | 0 of 36 | No tier listed | 0 |
| Capital Blue Cross | 8 of 35 | Tier 2 | 0 |
| Prominence Health Plan | 29 of 29 | Tier 6 | 0 |
| Medica | 0 of 27 | No tier listed | 0 |
| Anthem HealthKeepers | 26 of 26 | Tier 1 | 0 |
| Blue Cross Blue Shield of Michigan | 26 of 26 | Tier 1 | 0 |
| State | Plans covering | Share |
|---|---|---|
| Alabama | 8 of 114 | 7% |
| Alaska | 0 of 9 | 0% |
| American Samoa | 0 of 1 | 0% |
| Arizona | 35 of 147 | 23.8% |
| Arkansas | 5 of 85 | 5.9% |
| California | 206 of 397 | 51.9% |
| Colorado | 20 of 106 | 18.9% |
| Connecticut | 6 of 54 | 11.1% |
| Delaware | 5 of 43 | 11.6% |
| District of Columbia | 3 of 12 | 25% |
| Florida | 136 of 545 | 25% |
| Georgia | 20 of 149 | 13.4% |
| Guam | 0 of 1 | 0% |
| Hawaii | 7 of 50 | 14% |
| Idaho | 4 of 45 | 8.9% |
| Illinois | 2 of 132 | 1.5% |
| Indiana | 32 of 138 | 23.2% |
| Iowa | 14 of 64 | 21.9% |
| Kansas | 10 of 84 | 11.9% |
| Kentucky | 17 of 121 | 14% |
| Louisiana | 6 of 125 | 4.8% |
| Maine | 5 of 52 | 9.6% |
| Maryland | 12 of 49 | 24.5% |
| Massachusetts | 35 of 89 | 39.3% |
| Michigan | 49 of 182 | 26.9% |
| Minnesota | 21 of 63 | 33.3% |
| Mississippi | 5 of 104 | 4.8% |
| Missouri | 15 of 170 | 8.8% |
| Montana | 1 of 27 | 3.7% |
| Nebraska | 9 of 51 | 17.6% |
| Nevada | 33 of 100 | 33% |
| New Hampshire | 0 of 25 | 0% |
| New Jersey | 20 of 73 | 27.4% |
| New Mexico | 0 of 68 | 0% |
| New York | 64 of 215 | 29.8% |
| North Carolina | 36 of 176 | 20.5% |
| North Dakota | 5 of 26 | 19.2% |
| Northern Mariana Islands | 0 of 1 | 0% |
| Ohio | 27 of 171 | 15.8% |
| Oklahoma | 12 of 81 | 14.8% |
| Oregon | 27 of 92 | 29.3% |
| Pennsylvania | 109 of 323 | 33.7% |
| Puerto Rico | 20 of 64 | 31.3% |
| Rhode Island | 5 of 29 | 17.2% |
| South Carolina | 12 of 89 | 13.5% |
| South Dakota | 5 of 30 | 16.7% |
| Tennessee | 16 of 156 | 10.3% |
| Texas | 91 of 407 | 22.4% |
| U.S. Virgin Islands | 0 of 1 | 0% |
| Utah | 3 of 53 | 5.7% |
| Vermont | 0 of 14 | 0% |
| Virginia | 23 of 144 | 16% |
| Washington | 28 of 114 | 24.6% |
| West Virginia | 20 of 69 | 29% |
| Wisconsin | 19 of 96 | 19.8% |
| Wyoming | 3 of 13 | 23.1% |
Medicare Part D paid for 446,672 30-day fills of Glyburide in 2024 for about 57,761 enrollees, at an average total cost of $6.61 per 30-day fill (CMS Part D Prescribers by Geography and Drug, national).
Price Glyburide and the rest of a client's list on every plan in their county.
Estimate Glyburide costs by plan
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.