GLP-1 coverage when changing insurance: a calm checklist

Write down the date your old coverage ends and the date your new coverage starts. Ask your HR team or insurer if there is any waiting period, and whether your deductible resets. If you are switching mid-year, confirm whether your pharmacy benefits change on the same day as your medical benefits. Keep copies (screenshots or PDFs) of any plan start-date confirmations.

Look up your exact medication name and form in the new plan’s formulary (for example: Wegovy injection, Wegovy pill, Zepbound KwikPen, or a different GLP-1). Note whether it is listed as covered, requires prior authorization, has quantity limits, or needs step therapy. If you use compounded versions, know that coverage rules vary widely, and many plans treat them differently than FDA-approved products. If anything is unclear, ask the plan’s pharmacy benefits line to read the requirements back to you.

Many people need a new prior authorization after an insurance change, even if they had one before. Ask the new plan whether they offer a “transition fill” or “continuity of care” process for members who are already on therapy. Request the prior authorization criteria in writing so you can share them with your prescribing clinician. Start this paperwork early, since approvals can take time.

Collect your recent visit notes, current medication and dose history, and any prior authorization approval letters you can access. Bring your baseline and most recent weight and any relevant diagnoses already documented in your chart. If your coverage is based on a condition like heart, kidney, or blood-pressure disease, prediabetes, prior stroke or heart attack, or symptomatic PAD, ask your clinician’s office to confirm those codes are in your record. Do not change anything about how you take your medication without your prescriber’s guidance.

Confirm whether your new plan requires a specific pharmacy, mail order, or a preferred network. Ask the pharmacy what they need to transfer your prescription and whether the product is in stock. If you use Zepbound, note that the Zepbound KwikPen is a multi-dose pen where one device holds a month of doses, and single-dose pens and vials also exist—availability can differ by channel. If you are switching to a new GLP-1 pill, know the dosing instructions differ: Wegovy pill must be taken first thing in the morning with a small sip of water and at least 30 minutes before food, drinks, or other oral medicines, while Foundayo can be taken any time of day without fasting or water restrictions.

If you face a temporary gap, ask your insurer and pharmacist about any transition supply rules, then ask your prescriber what options make sense for your situation. At the time of writing, some people also check manufacturer channels and pricing tools: Foundayo is available via LillyDirect, telehealth, and retail pharmacies, and there are manufacturer pricing and savings programs for eligible patients; prices and eligibility rules can change. There is also TrumpRx.gov, a federal site that lists the lowest manufacturer self-pay prices and routes you to the maker’s channel, and it is not insurance. Always confirm current pricing and eligibility directly with the manufacturer, your plan, or your pharmacist before relying on any number you see online.