A CRNA or nurse practitioner can save consistently for decades, build a $1.5 to $2 million portfolio, and still walk into retirement losing tens of thousands of dollars a year without understanding why. Not because the savings weren’t enough, nor because the investments underperformed. The culprit? A few decisions were made quietly, almost by default, right before retirement.
Meet Sandra
Sandra is a 58-year-old CRNA. She has $1.9 million in her 403(b) and is about two years from retirement. On paper, everything works. But three specific decisions get made between now and her last day of work. In Sandra’s case, two were wrong. The third she didn’t know existed. All three came from the same place: healthcare.
Decision 1: Which Accounts Fund Your Life Before Medicare?
If a nurse retires before 65, there is a coverage gap. During that time, she is responsible for her own health insurance. What most APRNs don’t realize is that the premium has nothing to do with age and nothing to do with the health plan chosen. It is based on income, specifically how income shows up on a tax return.
Consider two nurses retiring on the same date with the same $60,000-per-year lifestyle and the same health plan. The first pulls that $60,000 from her pre-tax 403(b). It shows up as ordinary income. She pays about $1,250 per month. The second pulls the same amount from a taxable brokerage account, selling investments held for over a year. Only the gain counts as income. In her case, that gain is about $10,000. Her premium is approximately $175 per month. Same plan. Same coverage. Over $12,000 per year difference.
The reason is the ACA marketplace. Premiums are tied to modified adjusted gross income. Higher reported income means higher premiums. Lower reported income means lower premiums. And there is a subsidy cliff that demands attention. In 2026, that threshold sits at around $84,600 for a couple (400% of the federal poverty level). Cross it by one dollar, and subsidies don’t gradually phase out. They disappear entirely, potentially costing more than $10,000 for the year.
Sandra had almost everything in her pre-tax 403(b). Every dollar she spent showed up as taxable income. She had no lever to control what appeared on her tax return.
Decision 2: The Medicare Surcharge Tied to Income You No Longer Earn
Many nurses assume Medicare at 65 is largely free. There is another layer most don’t see. Medicare uses income from two years ago to determine what someone pays today. A nurse who retires at 63 while earning $200,000 or more will find, two years later, that Medicare sends a notice charging more based on that prior income.
Standard Part B premiums in 2026 run about $185 per month per person. With IRMAA surcharges applied, that number jumps significantly. For some couples, that is an extra $500 per month on income they no longer earn. There is an appeal process when income drops due to retirement, but most nurses don’t know it exists. If they don’t file it, they keep paying.
This is also where a well-intentioned strategy can backfire. Early retirement years are when many advisors recommend Roth conversions. Income is lower, tax brackets are more favorable, and moving money out of the 403(b) before required minimum distributions at 73 is genuinely smart. But every dollar converted increases reported income. That same income affects ACA premiums today and can trigger IRMAA two years from now.
Sandra was converting about $40,000 per year into Roth. She thought she was doing the right thing. But she hadn’t modeled how that number interacted with her health insurance costs. And her high working-year CRNA income was going to follow her into Medicare whether she planned for it or not.
Decision 3: The Charge That Shows Up in the Exit Paperwork
This is the one that blindsides people. Hospital-employed CRNAs and NPs often carry claims-made malpractice coverage, meaning they are only covered while the policy is active. Malpractice claims don’t happen immediately. On average, 18 to 24 months pass between an incident and a lawsuit. A nurse who retires in June can be sued the following year. Without coverage in place, there is no legal defense and no barrier between the lawsuit and personal assets.
Tail coverage extends that protection after employment ends. The cost is typically two to three and a half times the annual premium paid while employed. A CRNA paying $8,000 per year may owe $16,000 to $28,000 at retirement. Most APRNs are caught off guard by the number. What they also don’t know is that the cost is often negotiable, but only before giving notice.
Before a termination notice, the conversation is about retention. After the notice is given, it’s just a request. Most nurses never have the conversation because they didn’t know to ask.
The Healthcare Retirement Clearance
These are not investment mistakes. They are decisions that get made quietly by default: which accounts to pull from, how income shows up on a tax return, and whether tail coverage gets addressed at the right moment. When they go unplanned, healthcare becomes the most expensive part of retirement because the decisions weren’t made on purpose.
The nurses who retire cleanly (the ones paying $175 per month instead of $1,250, who don’t receive IRMAA notices, and aren’t blindsided by tail coverage) are not luckier. They ran through three specific checkpoints before retiring. Brett calls this the Healthcare Retirement Clearance. Ideally, these get resolved two and a half to five years before the target retirement date. Building a brokerage account takes time. Modeling Roth conversions against the ACA subsidy threshold requires a plan. The tail coverage conversation must happen before the notice goes in.
How the Plan Worked for Sandra
Sandra had two years, and that was enough. She stopped contributing above the employer match to her 403(b) and redirected those dollars into a taxable brokerage account. Over two years, she built about $140,000 there, enough to fund two to three years of retirement while keeping her reported income low.
She adjusted Roth conversions. Modeling her income against the ACA threshold, they found that about $28,000 per year kept her just under the subsidy cliff. She addressed tail coverage before giving notice. Her employer covered half the cost, so she paid $10,500 instead of $21,000, with time to plan for it.
She retired at 60. Her first year of ACA health insurance cost $320 per month on a silver plan with full subsidies. When she turned 65, she filed a Medicare life change appeal and her IRMAA surcharges were waived.
If any part of this sounds familiar, these decisions are already in motion, whether you have planned for them or not. At Oak Capital Advisors, we work specifically with CRNAs and NPs who are looking to meet their retirement goals without tax surprises or unexpected complications.
Ready to see how Oak Capital Advisors can help? Schedule a meeting.
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