Medicare Part D coverage · ceftolozane · RxCUI 1597620
ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]
Per the CMS 2026 Part D formulary file, ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] is covered by 201 Medicare Part D plans (4% of enrollable products), averaging Tier 3.6, with prior authorization required on 6.3% of covering formularies.
- 4%
- Plan coverage
- 201
- Plans covering
- T3.6
- Avg tier
- 6.3%
- Prior auth required
What the CMS Formulary Data Shows for ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]
Per the CMS 2026 Part D formulary file, ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] (RxNorm concept RXCUI 1597620, generic name ceftolozane) appears on 16 distinct formulary files spanning 201 Medicare Part D plan offerings - 4% of enrollable Part D products, selective placement; verify formulary inclusion before enrolling. Tier placement ranges from Tier 1 to Tier 5, with a cross-plan average of Tier 3.6.
Real-world access to ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] depends on utilization management as much as tier placement: 6.3% 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 967 Part D beneficiaries filled ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] in 2023, with total plan-and-beneficiary spending of $12,776,957 and an average per-beneficiary annual cost of $13,212.99. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] today.
Coverage Details
- Formularies covering
- 16
- Plans covering
- 201
- Coverage rate
- 4%
- Tier range
- Tier 1 – Tier 5
- Average tier
- Tier 4, Non-Preferred
Restrictions
- Prior authorization required
- 6.3% of formularies
- Step therapy required
- 0% of formularies
- Quantity limits
- 0% of formularies
2023 Medicare Spending
- Beneficiaries
- 967
- Total spending
- $12,776,957
- Avg per beneficiary
- $13,212.99
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]
100 Medicare Advantage plans with Part D drug coverage include this drug.
| Plan | Insurer | Tier | PA | Premium | States |
|---|---|---|---|---|---|
| Mass General Brigham SCO (HMO D-SNP) | Mass General Brigham Health Plan, Inc | T1 | No | $0 | MA |
| Mass General Brigham One Care (HMO D-SNP) | Mass General Brigham Health Plan, Inc | T1 | No | $0 | MA |
| American Health Advantage of Florida (HMO I-SNP) | American Health Plan OF FL, Inc. | T1 | No | $4.80 | FL |
| American Health Advantage of Mississippi (HMO I-SNP) | American Health Plan OF MS, Inc. | T1 | No | $23.80 | MS |
| Georgia Health Advantage (HMO I-SNP) | Georgia Assurance, Inc. | T1 | No | $25.40 | GA |
| Georgia Health Advantage Choice (HMO I-SNP) | Georgia Assurance, Inc. | T1 | No | $25.40 | GA |
| American Health Advantage of Tennessee (HMO I-SNP) | American Health Plan, Inc. | T1 | No | $27.70 | TN |
| American Health Advantage of Oklahoma (HMO I-SNP) | Oklahoma Superior Select, Inc. | T1 | No | $28.20 | OK |
| American Health Advantage of Pennsylvania (HMO I-SNP) | American Health Plan OF Pennsylvania Inc | T1 | No | $32.70 | PA |
| American Health Advantage of Louisiana (HMO I-SNP) | Dignity Care Corporation | T1 | No | $32.90 | LA |
| American Health Advantage of Utah (HMO I-SNP) | American Health Plan OF UT, Inc. | T1 | No | $37.60 | UT |
| American Health Advantage of Idaho (HMO I-SNP) | American Health Plan OF UT, Inc. | T1 | No | $37.60 | ID |
| American Health Advantage of Indiana (HMO I-SNP) | American Health Plan OF Indiana Inc | T1 | No | $38.40 | IN |
| Iowa Health Advantage (HMO I-SNP) | American Health Plan OF Iowa Inc | T1 | No | $41.50 | IA |
| Iowa Health Advantage Choice (HMO I-SNP) | American Health Plan OF Iowa Inc | T1 | No | $41.50 | IA |
| American Health Advantage of Missouri (HMO I-SNP) | American Health Plan OF Missouri, Inc. | T1 | No | $43.00 | MO |
| American Health Advantage of Missouri Choice (HMO I-SNP) | American Health Plan OF Missouri, Inc. | T1 | No | $43.00 | MO |
| Kansas Health Advantage (HMO I-SNP) | Kansas Superior Select, Inc. | T1 | No | $55.20 | KS |
| Kansas Health Advantage Choice (HMO I-SNP) | Kansas Superior Select, Inc. | T1 | No | $55.20 | KS |
| CalOptima Health OneCare Complete (HMO D-SNP) | Orange County Health Authority | T2 | Yes | $0 | CA |
Show the next 30 plans
| Freedom VIP Care (HMO C-SNP) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom VIP Savings (HMO C-SNP) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom VIP Rewards (HMO C-SNP) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | Optimum Healthcare, Inc. | T4 | No | $0 | FL |
| Optimum Diamond Savings (HMO C-SNP) | Optimum Healthcare, Inc. | T4 | No | $0 | FL |
| Optimum Diamond Rewards (HMO C-SNP) | Optimum Healthcare, Inc. | T4 | No | $0 | FL |
| Optimum Diamond (HMO C-SNP) | Optimum Healthcare, Inc. | T4 | No | $0 | FL |
| Freedom Medi-Medi Partial (HMO D-SNP) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Medi-Medi Full (HMO D-SNP) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Optimum Emerald Partial (HMO D-SNP) | Optimum Healthcare, Inc. | T4 | No | $0 | FL |
| Optimum Emerald Full (HMO D-SNP) | Optimum Healthcare, Inc. | T4 | No | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Medicare Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom VIP Savings COPD (HMO C-SNP) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Platinum Rewards Plan Rx (HMO) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Máximo (HMO-POS) | Freedom Health, Inc. | T4 | No | $0 | FL |
| Freedom Máximo (HMO-POS) | Freedom Health, Inc. | T4 | No | $0 | FL |
Showing top 50 of 100 plans.
Frequently Asked Questions
Is ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] covered by Medicare Part D?
Yes, ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] is covered by 201 Medicare Part D plans (4% of all Part D formularies).
What tier is ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] on Medicare Part D plans?
ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] averages Tier 3.6 across Part D plans, ranging from Tier 1 to Tier 5.
Does ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] require prior authorization?
6.3% of Part D formularies require prior authorization for ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]. Step therapy: 0%. Quantity limits: 0%.
How much does Medicare spend on ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa]?
In 2023, total Medicare Part D spending on ceftolozane 1000 MG / tazobactam 500 MG Injection [Zerbaxa] was $12,776,957, covering 967 beneficiaries. The average spend per beneficiary was $13,212.99.
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
- toremifene 60 MG Oral Tablet T3.6
- voriconazole 200 MG Injection T3.6
- 84 HR estradiol 0.00208 MG/HR / norethindrone acetate 0.00583 MG/HR Transdermal System [Combipatch] T3.6
- olanzapine 10 MG Injection [Zyprexa] T3.6
- epoetin alfa 20000 UNT/ML Injectable Solution [Epogen] T3.6
- lopinavir 80 MG/ML / ritonavir 20 MG/ML Oral Solution [Kaletra] T3.6
Similar prior-authorization rate
- flurazepam hydrochloride 15 MG Oral Capsule 6.3% PA
- oxycodone hydrochloride 20 MG/ML Oral Solution 6.2% PA
- 0.88 ML paliperidone palmitate 310 MG/ML Prefilled Syringe [Invega] 6.4% PA
- 1.32 ML paliperidone palmitate 311 MG/ML Prefilled Syringe [Invega] 6.4% PA
- 1.75 ML paliperidone palmitate 312 MG/ML Prefilled Syringe [Invega] 6.4% PA
- 2.63 ML paliperidone palmitate 311 MG/ML Prefilled Syringe [Invega] 6.4% PA