Medicare Part D coverage · ethosuximide · RxCUI 197682
ethosuximide 250 MG Oral Capsule
Per the CMS 2026 Part D formulary file, ethosuximide 250 MG Oral Capsule is covered by 5,052 Medicare Part D plans (100% of enrollable products), averaging Tier 2.3, with prior authorization required on 0% of covering formularies.
- 100%
- Plan coverage
- 5,052
- Plans covering
- T2.3
- Avg tier
- 0%
- Prior auth required
What the CMS Formulary Data Shows for ethosuximide 250 MG Oral Capsule
Per the CMS 2026 Part D formulary file, ethosuximide 250 MG Oral Capsule (RxNorm concept RXCUI 197682, generic name ethosuximide) appears on 328 distinct formulary files spanning 5,052 Medicare Part D plan offerings - 100% of enrollable Part D products, near-universal placement. Tier placement ranges from Tier 1 to Tier 4, with a cross-plan average of Tier 2.3.
Real-world access to ethosuximide 250 MG Oral Capsule depends on utilization management as much as tier placement: 0% of covering formularies require prior authorization. 0% require step therapy. 0% apply quantity limits.
Historical spending context from the CMS Medicare Part D Drug Spending Dashboard shows 2,145 Part D beneficiaries filled ethosuximide 250 MG Oral Capsule in 2023, with total plan-and-beneficiary spending of $2,036,964 and an average per-beneficiary annual cost of $949.63. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry ethosuximide 250 MG Oral Capsule today.
Coverage Details
- Formularies covering
- 328
- Plans covering
- 5,052
- Coverage rate
- 100%
- Tier range
- Tier 1 – Tier 4
- Average tier
- Tier 2, Generic
Restrictions
- Prior authorization required
- 0% of formularies
- Step therapy required
- 0% of formularies
- Quantity limits
- 0% of formularies
2023 Medicare Spending
- Beneficiaries
- 2,145
- Total spending
- $2,036,964
- Avg per beneficiary
- $949.63
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering ethosuximide 250 MG Oral Capsule
100 Medicare Advantage plans with Part D drug coverage include this drug.
| Plan | Insurer | Tier | PA | Premium | States |
|---|---|---|---|---|---|
| Sentara Community Complete Select (HMO D-SNP) | Sentara Health Plans | T1 | No | $0 | VA |
| Sentara Community Complete (HMO D-SNP) | Sentara Health Plans | T1 | No | $0 | VA |
| Freedom VIP Care (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Diamond Savings (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Diamond (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Freedom Medi-Medi Partial (HMO D-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Medi-Medi Full (HMO D-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Optimum Emerald Partial (HMO D-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Emerald Full (HMO D-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
Show the next 30 plans
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Máximo (HMO-POS) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Freedom Máximo (HMO-POS) | Freedom Health, Inc. | T1 | No | $0 | FL |
| Optimum Gold Rewards Plan (HMO) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Platinum Plan (HMO) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Gold Plan (HMO) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Gold Rewards Plan (HMO) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Gold Rewards Plan (HMO) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Diamond Rewards COPD (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Diamond Savings COPD (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Gold Plus Plan (HMO) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Optimum Diamond Rewards COPD (HMO C-SNP) | Optimum Healthcare, Inc. | T1 | No | $0 | FL |
| Florida Complete Care-Duals VIP (HMO-POS D-SNP) | Hpmp OF Florida, Inc. | T1 | No | $0 | FL |
| ElderServe MAP (HMO D-SNP) | Elderserve Health, Inc. | T1 | No | $0 | NY |
| Cooperative Advantage (HMO D-SNP) | Group Health Cooperative OF EAU Claire | T1 | No | $0 | WI |
| Longevity Health Plan (PPO I-SNP) | Longevity Health Plan OF NEW Jersey Insurance Comp | T1 | No | $0 | NJ |
| Mercy Care Advantage (HMO D-SNP) | Mercy Care | T1 | No | $0 | AZ |
| Mercy Care Advantage (HMO D-SNP) | Mercy Care | T1 | No | $0 | AZ |
| Mercy Care Advantage (HMO D-SNP) | Mercy Care | T1 | No | $0 | AZ |
| Elderplan Plus Long-Term Care (HMO-POS D-SNP) | Elderplan, Inc. | T1 | No | $0 | NY |
| Health Choice Pathway (HMO D-SNP) | Health Choice Arizona, Inc. | T1 | No | $0 | AZ |
Showing top 50 of 100 plans.
Frequently Asked Questions
Is ethosuximide 250 MG Oral Capsule covered by Medicare Part D?
Yes, ethosuximide 250 MG Oral Capsule is covered by 5,052 Medicare Part D plans (100% of all Part D formularies).
What tier is ethosuximide 250 MG Oral Capsule on Medicare Part D plans?
ethosuximide 250 MG Oral Capsule averages Tier 2.3 across Part D plans, ranging from Tier 1 to Tier 4.
Does ethosuximide 250 MG Oral Capsule require prior authorization?
0% of Part D formularies require prior authorization for ethosuximide 250 MG Oral Capsule. Step therapy: 0%. Quantity limits: 0%.
How much does Medicare spend on ethosuximide 250 MG Oral Capsule?
In 2023, total Medicare Part D spending on ethosuximide 250 MG Oral Capsule was $2,036,964, covering 2,145 beneficiaries. The average spend per beneficiary was $949.63.
Read our methodology - how this data is sourced, computed, and verified.
Nationwide similar Part D drugs
Data-derived peers across the CMS Part D formulary extract: nearest average tier placement and nearest prior-authorization rate. Not therapeutic alternatives or same-generic strengths.
Closest average formulary tier
Similar prior-authorization rate
- metronidazole 10 MG/ML Topical Cream [Noritate] 0% PA
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- buspirone hydrochloride 10 MG Oral Capsule [Bucapsol] 0% PA
- diflunisal 375 MG Oral Tablet [Dolobid] 0% PA
- hydrocortisone 1 MG/ML Oral Solution [Khindivi] 0% PA
- indomethacin 50 MG Rectal Suppository [Indocin] 0% PA