Medicare Plans
Part D Prescription Drug Plans in Waco, TX
Part D is Medicare's prescription drug coverage. It's sold by private companies, and the cheapest plan on paper is very often the most expensive one for the medications you personally take.
The only honest way to shop Part D is to run your actual prescriptions — name, dose and pharmacy — through the formulary of each plan we represent. That's the exercise we do with Waco clients every fall.
- Priced by your exact drug list, not by premium
- Preferred pharmacies can change your cost
- Formularies reset every January 1
- Extra Help may cut costs for lower incomes
Review your prescription costs for the year, not the premium
Send Dale your medication list and your pharmacy. He prices the full year — premium, deductible and every expected copay — across the Part D plans we represent and calls you with the numbers.
- Licensed Texas insurance agent
- Licensed since 2011
- AHIP Medicare certified, renewed annually
- No cost for our help
- In-person, phone and home appointments
Written and reviewed by Dale Whitaker, Licensed Texas insurance agent. Last reviewed: July 2026.
The basics
Four things decide what you pay
The formulary
Each plan covers a specific list of drugs. If yours isn't on it, you pay full retail or need an exception.The tier
Covered drugs sit on tiers from preferred generic to specialty. Two plans can both cover a drug at very different tiers.The pharmacy
Preferred pharmacies cost less than standard ones. Filling the same prescription across town can change your copay.
Shopping
How we price a Part D plan the right way
- 1
List every prescription
Include dosage and how often you fill it. Bring the bottles or a printout from your pharmacy — guessing is where errors start.
- 2
Confirm your pharmacy
Tell us where you fill today, and whether mail order is acceptable. Preferred status matters as much as the plan itself.
- 3
Compare total annual cost
Premiums plus deductible plus every expected copay across the year — never the monthly premium alone.
- 4
Recheck each fall
Formularies and tiers change January 1. A plan that was perfect last year can be the wrong one this year.
Watch out
Penalties, gaps and help paying
If you go 63 days or more without creditable drug coverage after you're first eligible, Medicare adds a late enrollment penalty to your Part D premium — permanently. It's small each month and large over a retirement, and it's one of the mistakes we see most often.
Lower-income Texans may qualify for Extra Help, which reduces or eliminates Part D premiums and deductibles. The Area Agency on Aging of the Heart of Texas can help with applications; see our Waco senior resources page.
Employer or VA coverage may count
Creditable coverage from a job, TRICARE or the VA usually means no penalty. Keep the annual creditable-coverage letter your plan sends you.
Advantage plans usually include Part D
If you're on a Medicare Advantage plan with drug coverage, do not add a standalone Part D plan — it can drop you out of your Advantage plan.
- Enroll when first eligible to avoid a lifelong penalty
- Standalone Part D pairs with Medigap, not with most Advantage plans
- Ask about generic alternatives before accepting a specialty tier
- Review coverage every Annual Open Enrollment
Cost stages
Deductible, copays and the yearly out-of-pocket cap
| Stage | What happens | What to watch |
|---|---|---|
| Deductible | Some plans apply a deductible before cost sharing begins; others waive it on lower tiers. | A $0-deductible plan is not automatically cheaper — check the tier copays behind it. |
| Initial coverage | You pay a copay or coinsurance for each fill; the plan pays the rest. | Tier placement drives this. The same drug can sit on tier 2 in one plan and tier 4 in another. |
| Catastrophic / annual cap | Once your out-of-pocket drug spending reaches the yearly limit, covered drugs cost you nothing for the rest of the year. | This cap matters most if you take a specialty or brand-only medication. |
The Medicare Prescription Payment Plan
Medicare now lets you spread your out-of-pocket drug costs across monthly payments instead of paying a large amount at the pharmacy counter early in the year. It doesn't lower your total cost — it smooths it. It's worth asking about if a January refill has ever hurt. Enrollment is through your drug plan, and we'll walk you through it.
Every fall
Your annual medication review
Between October 15 and December 7 every Part D plan can change its premium, deductible, formulary, tier placement and preferred pharmacy network. Your prescriptions change too. A plan that was the cheapest option for you last January can quietly become one of the most expensive.
Each fall we re-run your current medication list against the plans we represent and tell you whether staying put or moving costs less over the full year. If staying is right, we say so. See Annual Open Enrollment for the dates.
Common questions
Part D questions we hear in Waco
Why is the plan with the lowest premium not the cheapest for me?
What if my drug isn't on the formulary?
What is step therapy?
Is mail order always cheaper?
Can I have Part D with a Medigap plan?
Next steps
Annual Open Enrollment
October 15 – December 7: the yearly window to change drug plans.
Read Annual Open Enrollment →Medicare Supplement (Medigap)
The coverage most often paired with a standalone Part D plan.
Read Medicare Supplement (Medigap) →Medicare Checklist
Gather your drug list and pharmacy details before you compare.
Read Medicare Checklist →Send us your prescription list
We'll price it across the Part D plans we represent in McLennan County and show you the lowest total annual cost we can offer.