phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek]
phenytoin sodium
RxCUI: 855875
What the CMS Formulary Data Shows for phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek]
Per the CMS 2026 Part D formulary file, phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] (RxNorm concept RXCUI 855875, generic name phenytoin sodium) appears on 268 distinct formulary files spanning 3,453 Medicare Part D plan offerings - 68.1% of enrollable Part D products, mid-range placement; shopping across contracts changes access. Tier placement ranges from Tier 1 to Tier 4, with a cross-plan average of Tier 2.2.
Real-world access to phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] 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 11 Part D beneficiaries filled phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] in 2023, with total plan-and-beneficiary spending of $3,559 and an average per-beneficiary annual cost of $323.56. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] today.
Coverage Details
- Formularies covering
- 268
- Plans covering
- 3,453
- Coverage rate
- 68.1%
- 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
- 11
- Total spending
- $3,559
- Avg per beneficiary
- $323.56
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek]
100 Medicare Advantage plans with Part D drug coverage include this drug.
| Plan | Insurer | Tier | PA | Premium | States |
|---|---|---|---|---|---|
| Florida Complete Care-Duals VIP (HMO-POS D-SNP) | HPMP OF FLORIDA, INC. | T1 | No | $0 | FL |
| 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 |
| Healthfirst CompleteCare (HMO D-SNP) | HEALTHFIRST HEALTH PLAN, INC. | T1 | No | $0 | NY |
| IMCare Classic (HMO D-SNP) | ITASCA MEDICAL CARE | T1 | No | $0 | MN |
| Johns Hopkins Advantage MD D-SNP (HMO D-SNP) | HOPKINS HEALTH ADVANTAGE, INC. | T1 | No | $0 | MD |
| MetroPlus UltraCare (HMO D-SNP) | METROPLUS HEALTH PLAN, INC. | T1 | No | $0 | NY |
| Senior Whole Health SCO (HMO D-SNP) | SENIOR WHOLE HEALTH, LLC | T1 | No | $0 | MA |
| Senior Whole Health SCO NHC (HMO D-SNP) | SENIOR WHOLE HEALTH, LLC | T1 | No | $0 | MA |
| Molina One Care (HMO D-SNP) | SENIOR WHOLE HEALTH, LLC | T1 | No | $0 | MA |
| PruittHealth Premier D-SNP (HMO D-SNP) | PRUITTHEALTH PREMIER, INC. | T1 | No | $0 | GA |
| Simpra Advantage Dual Care (PPO D-SNP) | SIMPRA ADVANTAGE, INC. | T1 | No | $0 | AL |
| Gold Coast Health Plan Total Care Advantage (HMO D-SNP) | Ventura County Medi-Cal Managed Care Commission | T1 | No | $0 | CA |
| Blue Cross Medicare Advantage Dual Care Plus (HMO D-SNP) | Health Care Service Corporation | T1 | No | $0 | NM |
| Blue Cross MA Dual Care Plus Preferred (PPO D-SNP) | Health Care Service Corporation | T1 | No | $0 | NM |
| Horizon NJ TotalCare (HMO D-SNP) | HORIZON HEALTHCARE OF NEW JERSEY, INC. | T1 | No | $0 | NJ |
| SecureBlue (HMO D-SNP) | HMO Minnesota | T1 | No | $0 | MN |
| NaviCare (HMO D-SNP) | FALLON COMMUNITY HEALTH PLAN | T1 | No | $0 | MA |
| Hamaspik Medicare Choice (HMO D-SNP) | HAMASPIK, INC. | T1 | No | $0 | NY |
| SeniorCare Complete (HMO D-SNP) | SOUTH COUNTRY HEALTH ALLIANCE | T1 | No | $0 | MN |
| AbilityCare (HMO D-SNP) | SOUTH COUNTRY HEALTH ALLIANCE | T1 | No | $0 | MN |
| Alameda Alliance Wellness (HMO D-SNP) | ALAMEDA ALLIANCE FOR HEALTH | T1 | No | $0 | CA |
| PHP (HMO C-SNP) | AIDS HEALTHCARE FOUNDATION | T1 | No | $0 | CA |
| CCA One Care (HMO D-SNP) | COMMONWEALTH CARE ALLIANCE, INC. | T1 | No | $0 | MA |
| CCA Senior Care Options (HMO D-SNP) | COMMONWEALTH CARE ALLIANCE, INC. | T1 | No | $0 | MA |
| Elevate Medicare Choice (HMO D-SNP) | DENVER HEALTH MEDICAL PLAN, INC. | T1 | No | $0 | CO |
| AllCare Advantage Redwood Rx (HMO D-SNP) | ALLCARE HEALTH PLAN, INC. | T1 | No | $0 | OR |
| PrimeWest Senior Health Complete (HMO D-SNP) | PRIMEWEST RURAL MN HEALTH CARE ACCESS INITIATIVE | T1 | No | $0 | MN |
| Prime Health Complete (HMO D-SNP) | PRIMEWEST RURAL MN HEALTH CARE ACCESS INITIATIVE | T1 | No | $0 | MN |
| DualConnect (HMO D-SNP) | SANTA CLARA COUNTY HEALTH AUTHORITY | T1 | No | $0 | CA |
| VNS Health Total (HMO D-SNP) | VNS CHOICE | T1 | No | $0 | NY |
| Alterwood Advantage Dual Secure (HMO D-SNP) | ALTERWOOD ADVANTAGE, INC. | T1 | No | $0 | MD |
| Generations Classic Rewards (HMO) | GLOBALHEALTH, INC. | T1 | No | $0 | OK |
| Generations Classic Plus (HMO) | GLOBALHEALTH, INC. | T1 | No | $0 | OK |
| Generations Chronic Care (HMO C-SNP) | GLOBALHEALTH, INC. | T1 | No | $0 | OK |
| Generations Chronic Care Savings (HMO C-SNP) | GLOBALHEALTH, INC. | T1 | No | $0 | OK |
| Generations Dual Support (HMO D-SNP) | GLOBALHEALTH, INC. | T1 | No | $0 | OK |
| Generations Dual Premier (HMO D-SNP) | GLOBALHEALTH, INC. | T1 | No | $0 | OK |
| Nascentia Dual Advantage (HMO D-SNP) | VISITING NURSE ASSOCIATION OF CENTRAL NEW YORK | T1 | No | $0 | NY |
| Provider Partners Pennsylvania Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF PENNSYLVANIA, INC | T1 | No | $0 | PA |
| Provider Partners North Carolina Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF NORTH CAROLINA | T1 | No | $0 | NC |
| Provider Partners Indiana Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF INDIANA | T1 | No | $0 | IN |
| Provider Partners Maryland Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN, INC. | T1 | No | $0 | MD |
| Provider Partners Missouri Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF MISSOURI, INC. | T1 | No | $0 | MO |
| Abilis Health Community (HMO I-SNP) | SIGNATURE ADVANTAGE, LLC | T1 | No | $0 | KY, TN |
| Arkansas Integrated Providers (AIP) Dual Advantage (HMO D-SNP) | ARKANSAS SUPERIOR SELECT, INC. | T1 | No | $0 | AR |
| Platino Blindao (HMO D-SNP) | TRIPLE S ADVANTAGE, INC. | T1 | No | $0 | PR |
Frequently Asked Questions
Is phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] covered by Medicare Part D?
Yes, phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] is covered by 3,453 Medicare Part D plans (68.1% of all Part D formularies).
What tier is phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] on Medicare Part D plans?
phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] averages Tier 2.2 across Part D plans, ranging from Tier 1 to Tier 4.
Does phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] require prior authorization?
0% of Part D formularies require prior authorization for phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek]. Step therapy: 0%. Quantity limits: 0%.
How much does Medicare spend on phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek]?
In 2023, total Medicare Part D spending on phenytoin sodium 300 MG Extended Release Oral Capsule [Phenytek] was $3,559, covering 11 beneficiaries. The average spend per beneficiary was $323.56.
Read our methodology - how this data is sourced, computed, and verified.