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piperacillin sodium and tazobactam sodium 2 g/50mL / .25 g/50mL Medicare Part D Coverage

Brand name: Zosyn
Dosage form
INJECTION, SOLUTION
Route
INTRAVENOUS
Drug class
Antibiotics — Penicillins
9%
of Medicare Part D plans
cover piperacillin sodium and tazobactam sodium
472 of 5,530 plans
3.9
Avg. formulary tier

Formulary Tier Distribution

How Medicare Part D plans classify piperacillin sodium and tazobactam sodium. Lower tiers = lower copays.

Tier 1 - Preferred Generic 4%
18 plans • avg $0.00/mo
Tier 4 - Non-Preferred Drug 96%
454 plans • avg $10.74/mo

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piperacillin sodium and tazobactam sodium Medicare Coverage by State

Coverage rates and average costs vary significantly by state. Click a state to see the specific plans available there.

Alabama 100% Arizona 100% Arkansas 100% California 100% Colorado 100% Connecticut 100% Delaware 100% District of Columbia 100% Florida 100% Georgia 100% Illinois 100% Kansas 100% Kentucky 100% Louisiana 100% Maryland 100% Massachusetts 100% Michigan 100% Minnesota 100% Mississippi 100% Missouri 100% Montana 100% Nebraska 100% Nevada 100% New Jersey 100% New Mexico 100% New York 100% North Carolina 100% Ohio 100% Oklahoma 100% Oregon 100% Pennsylvania 100% South Carolina 100% Tennessee 100% Texas 100% Utah 100% Virginia 100% Washington 100% West Virginia 100%

Alternative Medications in the Same Drug Class

Other drugs in the Antibiotics — Penicillins that Medicare Part D plans also cover.

Amoxicillin and Clavulanate Potassium Avg Tier 2.2 $15.00/mo 5,529 plans Amoxicillin Avg Tier 1.4 $18.00/mo 5,529 plans Amoxicillin Avg Tier 1.2 $18.00/mo 5,529 plans Amoxicillin Avg Tier 1.2 $18.00/mo 5,529 plans Amoxicillin Avg Tier 1.2 $18.00/mo 5,529 plans Ampicillin and Sulbactam Avg Tier 3.6 $12.00/mo 5,529 plans Ampicillin Avg Tier 1.9 $15.00/mo 5,529 plans Amoxicillin Avg Tier 1.3 $18.00/mo 5,529 plans

Frequently Asked Questions about piperacillin sodium and tazobactam sodium

9% of Medicare Part D plans cover piperacillin sodium and tazobactam sodium. It is most commonly placed on Tier 4. Coverage varies by plan and geographic area.

Costs vary by plan. Enter your ZIP code above to see exact prices for plans in your area.

piperacillin sodium and tazobactam sodium is placed on Tier 4 by most Medicare Part D plans. Lower tier numbers generally mean lower copays.

0% of plans require prior authorization for piperacillin sodium and tazobactam sodium. Prior authorization means your doctor must confirm the drug is medically necessary before the plan will cover it.

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Coverage statistics based on CMS formulary data for plan year 2026. Data updated regularly. Methodology →