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Januvia is a brand of sitagliptin. 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, 953 of 5,492 Medicare Part D and Medicare Advantage drug plans (17.4%) list Januvia on their formulary, across 60 of 286 formularies. The most common placement is tier 3 (662 plans, 69.5% of those covering it). 7 of the covering plans require prior authorization (0.7%), 91 step therapy and 841 a quantity limit.
306 covering plans charge a flat copay for a 30-day supply at a preferred retail pharmacy after the deductible — median $42, 34 of them $0; 647 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.
Januvia has a Medicare negotiated price (maximum fair price) of $113 for a 30-day supply, which applies. The negotiated price lowers what the plan pays; the member's copay or coinsurance still follows the plan's tier.
2026: 4,948 of 5,496 plans covered it (90%); 2027: 953 of 5,492 (17.4%).
Of 4,367 plans offered in both years, 18 added it to the formulary and 3,207 dropped it.
Among plans covering it both years, 11 moved it to a higher tier and 258 to a lower one; 0 added prior authorization and 0 removed it.
| Tier | Plans |
|---|---|
| Tier 1 | 23 |
| Tier 2 | 268 |
| Tier 3 | 662 |
| Plan type | Plans covering | Share | Prior auth |
|---|---|---|---|
| Stand-alone Part D (PDP) | 72 of 323 | 22.3% | 0% |
| Medicare Advantage with drugs (MA-PD) | 585 of 3,200 | 18.3% | 0% |
| Special needs plans (SNP) | 296 of 1,969 | 15% | 2.4% |
| 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 | 268 of 268 | Tier 2 | 0 |
| HealthSpring | 0 of 226 | No tier listed | 0 |
| Kaiser Permanente | 112 of 112 | Tier 3 | 0 |
| SCAN Health Plan | 83 of 83 | Tier 3 | 0 |
| Highmark Blue Cross Blue Shield or Highmark Blue Shield | 80 of 80 | Tier 3 | 0 |
| Alignment Health Plan | 77 of 77 | Tier 3 | 0 |
| Anthem Blue Cross and Blue Shield | 0 of 74 | No tier listed | 0 |
| Wellpoint | 0 of 63 | No tier listed | 0 |
| Priority Health Medicare | 0 of 40 | No tier listed | 0 |
| CarePlus Health Plans, Inc. | 0 of 37 | No tier listed | 0 |
| Zing Health | 20 of 36 | Tier 3 | 0 |
| Capital Blue Cross | 0 of 35 | No tier listed | 0 |
| Prominence Health Plan | 0 of 29 | No tier listed | 0 |
| Medica | 0 of 27 | No tier listed | 0 |
| Anthem HealthKeepers | 0 of 26 | No tier listed | 0 |
| Blue Cross Blue Shield of Michigan | 26 of 26 | Tier 3 | 0 |
| State | Plans covering | Share |
|---|---|---|
| Alabama | 2 of 114 | 1.8% |
| Alaska | 2 of 9 | 22.2% |
| American Samoa | 0 of 1 | 0% |
| Arizona | 31 of 147 | 21.1% |
| Arkansas | 9 of 85 | 10.6% |
| California | 179 of 397 | 45.1% |
| Colorado | 17 of 106 | 16% |
| Connecticut | 6 of 54 | 11.1% |
| Delaware | 12 of 43 | 27.9% |
| District of Columbia | 3 of 12 | 25% |
| Florida | 51 of 545 | 9.4% |
| Georgia | 26 of 149 | 17.4% |
| Guam | 0 of 1 | 0% |
| Hawaii | 9 of 50 | 18% |
| Idaho | 2 of 45 | 4.4% |
| Illinois | 14 of 132 | 10.6% |
| Indiana | 13 of 138 | 9.4% |
| Iowa | 14 of 64 | 21.9% |
| Kansas | 5 of 84 | 6% |
| Kentucky | 9 of 121 | 7.4% |
| Louisiana | 13 of 125 | 10.4% |
| Maine | 6 of 52 | 11.5% |
| Maryland | 12 of 49 | 24.5% |
| Massachusetts | 48 of 89 | 53.9% |
| Michigan | 68 of 182 | 37.4% |
| Minnesota | 10 of 63 | 15.9% |
| Mississippi | 22 of 104 | 21.2% |
| Missouri | 10 of 170 | 5.9% |
| Montana | 2 of 27 | 7.4% |
| Nebraska | 9 of 51 | 17.6% |
| Nevada | 20 of 100 | 20% |
| New Hampshire | 2 of 25 | 8% |
| New Jersey | 14 of 73 | 19.2% |
| New Mexico | 5 of 68 | 7.4% |
| New York | 45 of 215 | 20.9% |
| North Carolina | 34 of 176 | 19.3% |
| North Dakota | 6 of 26 | 23.1% |
| Northern Mariana Islands | 0 of 1 | 0% |
| Ohio | 12 of 171 | 7% |
| Oklahoma | 2 of 81 | 2.5% |
| Oregon | 17 of 92 | 18.5% |
| Pennsylvania | 96 of 323 | 29.7% |
| Puerto Rico | 0 of 64 | 0% |
| Rhode Island | 2 of 29 | 6.9% |
| South Carolina | 17 of 89 | 19.1% |
| South Dakota | 6 of 30 | 20% |
| Tennessee | 6 of 156 | 3.8% |
| Texas | 45 of 407 | 11.1% |
| U.S. Virgin Islands | 0 of 1 | 0% |
| Utah | 5 of 53 | 9.4% |
| Vermont | 2 of 14 | 14.3% |
| Virginia | 10 of 144 | 6.9% |
| Washington | 23 of 114 | 20.2% |
| West Virginia | 11 of 69 | 15.9% |
| Wisconsin | 19 of 96 | 19.8% |
| Wyoming | 4 of 13 | 30.8% |
Medicare Part D paid for 7,376,703 30-day fills of Januvia in 2024 for about 827,991 enrollees, at an average total cost of $515.32 per 30-day fill (CMS Part D Prescribers by Geography and Drug, national).
Price Januvia and the rest of a client's list on every plan in their county.
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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.