Medicare Part D coverage · oxacillin · RxCUI 1743547

oxacillin 1000 MG Injection

Per the CMS 2026 Part D formulary file, oxacillin 1000 MG Injection is covered by 4,072 Medicare Part D plans (80.6% of enrollable products), averaging Tier 2.9, with prior authorization required on 14.7% of covering formularies.

80.6%
Plan coverage
4,072
Plans covering
T2.9
Avg tier
14.7%
Prior auth required

Verify with CMS →

Important: Drug coverage and costs vary by plan and location. Verify coverage directly with your Medicare plan before filling a prescription. This is informational data only and should not replace advice from your healthcare provider or pharmacist.

What the CMS Formulary Data Shows for oxacillin 1000 MG Injection

Per the CMS 2026 Part D formulary file, oxacillin 1000 MG Injection (RxNorm concept RXCUI 1743547, generic name oxacillin) appears on 190 distinct formulary files spanning 4,072 Medicare Part D plan offerings - 80.6% of enrollable Part D products, near-universal placement. Tier placement ranges from Tier 1 to Tier 6, with a cross-plan average of Tier 2.9.

Real-world access to oxacillin 1000 MG Injection depends on utilization management as much as tier placement: 14.7% 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 12 Part D beneficiaries filled oxacillin 1000 MG Injection in 2023, with total plan-and-beneficiary spending of $38,076 and an average per-beneficiary annual cost of $3,172.97. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry oxacillin 1000 MG Injection today.

Coverage Details

Formularies covering
190
Plans covering
4,072
Coverage rate
80.6%
Tier range
Tier 1 – Tier 6
Average tier
Tier 3, Preferred Brand

Restrictions

Prior authorization required
14.7% of formularies
Step therapy required
0% of formularies
Quantity limits
0% of formularies

2023 Medicare Spending

Beneficiaries
12
Total spending
$38,076
Avg per beneficiary
$3,172.97

Tier Distribution Across Plans

100 plans
Tier 1, Preferred Generic

Medicare Advantage Plans (MA-PD) Covering oxacillin 1000 MG Injection

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 Yes $0 NY
Cooperative Advantage (HMO D-SNP) Group Health Cooperative OF EAU Claire T1 Yes $0 WI
Longevity Health Plan (PPO I-SNP) Longevity Health Plan OF NEW Jersey Insurance Comp T1 Yes $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 oxacillin 1000 MG Injection covered by Medicare Part D?

Yes, oxacillin 1000 MG Injection is covered by 4,072 Medicare Part D plans (80.6% of all Part D formularies).

What tier is oxacillin 1000 MG Injection on Medicare Part D plans?

oxacillin 1000 MG Injection averages Tier 2.9 across Part D plans, ranging from Tier 1 to Tier 6.

Does oxacillin 1000 MG Injection require prior authorization?

14.7% of Part D formularies require prior authorization for oxacillin 1000 MG Injection. Step therapy: 0%. Quantity limits: 0%.

How much does Medicare spend on oxacillin 1000 MG Injection?

In 2023, total Medicare Part D spending on oxacillin 1000 MG Injection was $38,076, covering 12 beneficiaries. The average spend per beneficiary was $3,172.97.

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.

Data sourced from the Centers for Medicare & Medicaid Services (CMS). See our methodology for details. Retrieved and formatted by PlainMedicare