A real AI prompt from a 64-year-old Illinois resident planning for Medicare at 65 — and the one follow-up question that turns a good prompt into a great one.
Here is a real prompt entered into Claude by someone planning ahead for Medicare. Read it carefully — it is a good prompt. Then we will talk about what is missing.
The Prompt
You: I was born on May 15, 1962. I live in Illinois, Kane County. I am currently participating in my employer’s group health plan. My wife was born in 1964. Our two children are aged 23 and 28 respectively. My wife and our younger son are also both covered by my employer’s group health plan. I plan on enrolling in Medicare effective May 1, 2027. I do not plan on enrolling in Social Security until my Normal Retirement Age (NRA). Confirm my NRA. I also plan on working full time after I go on Medicare. Do I have to tell my employer, or will I be automatically be dropped from the group health plan on May 1, 2027, the month I reach age 65?
What Makes This a Good Prompt
This prompt does a lot of things right.
It includes state and county — Kane County, Illinois. That matters more than most people realize. Medicare Advantage plans define their service areas by county, not by state or ZIP code. A plan available in Cook County may not be available in Kane County. A beneficiary who moves a few blocks across a county line can find themselves outside their plan’s service area entirely. Providing county-level detail allows the AI to give accurate, geographically relevant guidance.
It includes birth dates for both spouses, which allows the AI to calculate enrollment windows, Special Enrollment Periods, and coordination of benefits rules accurately.
It identifies the employer group health plan and who is covered under it — the beneficiary, the spouse, and one of the children. That is critical context for Medicare coordination of benefits.
It asks a specific, answerable question: does the beneficiary have to notify the employer, or does coverage end automatically at 65?
It asks the AI to confirm the Normal Retirement Age — a smart move, since NRA varies by birth year and affects both Social Security timing and, in some cases, Medicare planning decisions.
What Is Missing
The prompt is good. But it is missing the question that turns a good prompt into a great one:
“What else do you need to know about my situation to complete the timeline?”
Or put another way:
“What else do I need to be thinking about?”
This single follow-up question invites the AI to surface issues the user did not know to ask about. It shifts the conversation from question-and-answer to genuine consultation.
In this particular situation, there are several things a thorough AI response might raise that the original prompt did not ask about:
- The size of the employer — Medicare coordination of benefits rules differ depending on whether the employer has fewer than 20 employees or 20 or more. This determines whether Medicare or the group plan pays first.
- The younger son’s coverage — He is 23 and covered under the group plan. Depending on the plan rules and his situation, his coverage may be affected when the primary insured enrolls in Medicare.
- Part B enrollment timing — Even if the beneficiary stays on the group plan past 65, there are rules about when to enroll in Part B to avoid a late enrollment penalty. The AI should walk through the Special Enrollment Period rules.
- The wife’s situation at 65 — She was born in 1964. Her own Medicare eligibility and enrollment decisions will need to be planned separately, and her coverage under the group plan may change when her husband retires or leaves the employer.
- What happens at retirement — The prompt says the beneficiary plans to work full time after going on Medicare. But what happens when he eventually does retire? The transition from employer coverage to Medicare-only coverage is a separate planning event with its own deadlines.
- Kane County plan availability — Since the beneficiary lives in Kane County, the AI should note that Medicare Advantage plan options may differ from those available in neighboring Cook County, and that plan availability should be verified at Medicare.gov using the actual county of residence.
None of these are exotic edge cases. They are the kinds of issues that come up in nearly every Medicare planning conversation — and they are exactly the kind of thing a knowledgeable professional would raise without being asked.
The Takeaway
AI is a powerful Medicare research tool. But it answers the question you ask. It does not always volunteer what you did not think to ask.
Ending every Medicare prompt with “What else do you need to know about my situation?” or “What else do I need to be thinking about?” is the simplest way to close that gap.
It costs nothing. It takes five seconds. And it can surface issues that would otherwise go unnoticed until they become problems.
Jim Sullivan is a financial planner and Medicare educator with more than 35 years of experience. He is a retired CPA and holds a Master of Accounting Science from the University of Illinois.