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Amoxicillin 125 mg/1 Medicare Part D Coverage

Dosage form
TABLET, CHEWABLE
Route
ORAL
Drug class
Antibiotics — Penicillins
98%
of Medicare Part D plans
cover Amoxicillin
5,395 of 5,530 plans
1.4
Avg. formulary tier
$13.00
Median 30-day copay
$0.00–$26.00
Copay range

Formulary Tier Distribution

How Medicare Part D plans classify Amoxicillin. Lower tiers = lower copays.

Tier 1 - Preferred Generic 61%
3,300 plans • avg $0.05/mo
Tier 2 - Generic 39%
2,088 plans • avg $2.54/mo
Tier 3 - Preferred Brand 0%
7 plans • avg $0.00/mo

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Amoxicillin 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% avg $0.05 California 100% avg $0.51 Colorado 100% avg $0.44 Connecticut 100% avg $0.43 Delaware 100% District of Columbia 100% Florida 100% avg $0.10 Georgia 100% avg $0.41 Hawaii 100% Idaho 100% avg $0.55 Illinois 100% avg $0.53 Indiana 100% avg $1.03 Iowa 100% avg $0.04 Kansas 100% Kentucky 100% avg $0.32 Louisiana 100% avg $4.98 Maine 100% avg $0.29 Maryland 100% avg $0.21 Massachusetts 100% avg $2.90 Michigan 100% avg $4.47 Minnesota 100% avg $0.36 Mississippi 100% Missouri 100% avg $0.19 Montana 100% avg $0.61 Nebraska 100% Nevada 100% New Hampshire 100% New Jersey 100% avg $0.10 New Mexico 100% avg $0.19 New York 100% avg $0.91 North Carolina 100% avg $0.07 North Dakota 100% avg $1.02 Ohio 100% avg $1.66 Oklahoma 100% avg $0.32 Oregon 100% avg $0.85 Pennsylvania 100% Puerto Rico 100% Rhode Island 100% South Carolina 100% avg $0.37 South Dakota 100% avg $0.82 Tennessee 100% Texas 100% avg $0.41 Utah 100% avg $0.49 Vermont 100% Virginia 100% Washington 100% avg $0.35 West Virginia 100% avg $1.08 Wisconsin 100% Wyoming 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

Related Versions of Amoxicillin

Amoxicillin 400 mg/5mL Brand Amoxicillin 250 mg/5mL Brand Amoxicillin 125 mg/5mL Brand Amoxicillin 200 mg/5mL Brand Amoxicillin 500 mg/1 Brand Amoxicillin 250 mg/1 Brand

Frequently Asked Questions about Amoxicillin

98% of Medicare Part D plans cover Amoxicillin. It is most commonly placed on Tier 1. Coverage varies by plan and geographic area.

The median 30-day copay for Amoxicillin on Medicare Part D is $13.00 at a preferred pharmacy. Costs range from $0.00 to $26.00 depending on the plan.

Amoxicillin is placed on Tier 1 by most Medicare Part D plans. Lower tier numbers generally mean lower copays.

0% of plans require prior authorization for Amoxicillin. 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 →