Medicare Part D: Prescription Drug Coverage
Medicare Part D helps pay for covered prescription drugs. Plans differ in drug lists, pharmacy networks and costs.
Work directly with Anil Khanchandani, CLTC®, a licensed insurance agent, to compare available options from the carriers he represents and understand the trade-offs before you apply.
What Is Medicare Part D?
Medicare Part D is prescription drug coverage from Medicare-approved private insurers. Coverage depends on the plan’s drug list and rules; it does not pay for every prescription.
A standalone Part D plan can work alongside Original Medicare and a Medicare Supplement (Medigap) policy. Most Medicare Advantage plans include drug coverage instead.
For a standalone plan, you need Part A and/or Part B and must meet service-area, lawful-presence and enrollment requirements. Before adding drug coverage, check how it affects any employer, union or other existing benefits. Read Medicare’s Part D basics.
Compare Part D Plans: Your Drug and Pharmacy Checklist
A formulary is the plan’s covered-drug list. Tier names, costs and rules vary by plan; a lower premium alone does not mean lower annual costs.
- Your prescriptions: check each drug’s exact name, strength, quantity and refill frequency.
- Coverage and tiers: confirm the drug is covered and review its copayment or coinsurance.
- Coverage rules: look for prior authorization, step therapy and quantity limits. Your prescriber can help with an exception request when appropriate.
- Your pharmacy: compare network and preferred-pharmacy pricing, including mail order if useful.
- Total yearly cost: consider premiums, deductible and expected prescription costs together.
- Next year’s coverage: review plan changes and the correct plan year before enrolling.
Have your current plan information and medication list ready for a personal conversation. Please do not put Medicare numbers, Social Security numbers, medical records or prescription details into the website inquiry form or ordinary email.
The Part D Late-Enrollment Penalty — Why Timing Matters
If you go 63 consecutive days or more after your Initial Enrollment Period without Part D or other creditable prescription drug coverage, you may owe a late-enrollment penalty. It is generally added to your premium for as long as you have Medicare drug coverage.
Creditable coverage is expected to pay, on average, at least as much as standard Medicare drug coverage. Keep the written creditable-coverage notice from your benefits provider. People who receive Extra Help do not pay the Part D late-enrollment penalty.
Check your Medicare enrollment opportunities before you change coverage. See Medicare’s penalty guidance and exceptions.
Part D Costs: 2026 and 2027 Limits
Compare the premium, deductible and expected prescription cost-sharing for the plan year you are considering. Some people also pay an income-related Part D amount.
- 2026: maximum deductible $615; annual out-of-pocket threshold for covered Part D drugs $2,100.
- 2027: maximum deductible $700; annual out-of-pocket threshold for covered Part D drugs $2,400.
Some plans have a lower deductible or none. After you reach the annual threshold, you pay no further out-of-pocket costs for covered Part D drugs that calendar year. Premiums and drugs not covered by Part D are outside this limit. Certain payments made on your behalf can count toward it. Verify costs and what counts at Medicare.gov.
Extra Help may reduce costs if you qualify. The voluntary Medicare Prescription Payment Plan spreads covered drug costs across the calendar year; it does not lower the total cost.
How Part D Fits With Your Other Coverage
Original Medicare and Medigap: a standalone Part D plan can provide drug coverage. Medigap policies sold after 2005 do not include drug coverage; some older policies do. Check existing benefits before making changes.
Medicare Advantage: most plans include Part D. With an HMO or PPO, you generally get drug coverage through that plan and cannot add a separate Part D plan. Exceptions include Medicare MSA plans and PFFS plans without drug coverage, which can work with a standalone Part D plan.
Joining a separate drug plan can cause disenrollment from some Medicare Advantage plans. Confirm the effect with your current plan before applying. Explore Medicare Advantage or review the Medicare basics.
Personal Part D Guidance from Anil Khanchandani
Anil Khanchandani, CLTC®, is an independent licensed insurance agent at US Life Solution LLC. He helps you compare available plans from the carriers he represents, explains prescription and pharmacy trade-offs in plain language, and helps with questions about the enrollment process.
There is no consultation or service fee and no obligation to enroll. Anil is compensated through insurance carrier commissions. Assistance is limited to states and products where he holds the required license and appointment; not every plan is represented.
Call Anil for Medicare help: (201) 831-1244. A callback request does not enroll you in a plan, bind coverage or confirm an appointment.
Frequently Asked Questions About Medicare Part D
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