Coast FIRE: The Financial Strategy That Lets You Stop Running the Rat Race Before You're Ready to Retire

Most of the physicians I work with are not trying to retire early. They love medicine. They are not looking for an exit. What they want, and what they struggle to articulate, because nobody in medicine ever gave them language for it, is the ability to practice on their own terms. Fewer hours if they want them. Work that feels chosen rather than obligated. The freedom to say no to the jobs that grind them down and yes to the ones that matter.

Coast FIRE is the concept that makes that possible. And it is one of the most underused ideas in physician financial planning.

What Coast FIRE Actually Means

FIRE stands for Financial Independence, Retire Early. Most physicians who encounter this framework dismiss it because retiring early is not the goal. That is a mistake. Within the FIRE movement there is a variant called Coast FIRE that has almost nothing to do with early retirement and everything to do with the kind of professional freedom physicians are actually looking for.

Coast FIRE occurs when you have saved and invested enough that your existing portfolio — left alone to grow at a normal market rate — will reach your retirement number on its own, without any additional contributions. You do not need to keep saving aggressively. You do not need to maximize income. You can, as the name suggests, coast.

For most physicians, the retirement target that supports your lifestyle for thirty-plus years sits around five million dollars in net worth. I cover the math behind that number in detail in my Pentamillionaire Doctor roadmap. The Coast FIRE question is simpler: how much do you need invested today so that compound growth gets you to that number without you adding another dollar?

The answer depends on your age, your expected return, and your timeline. But for a physician in their early 40s with a fifteen-to-twenty year runway, the Coast FIRE number is often somewhere between $1.5 million and $2.5 million invested. Reach that threshold and you are free. Not retired. Free. You only need to earn enough to cover your current expenses. The retirement account does the rest on its own.

That changes everything about how you think about your career in the back half.

Related resource

Free eBook: 7 Ways a Professional Micro-Corporation Helps Physicians FIRE — PEA Explorer and above

Why This Matters More Than Full FIRE for Most Physicians

Full FIRE — accumulating enough to live entirely off your portfolio — requires building a nest egg large enough to fund decades of lifestyle without any earned income. For physicians with high living costs and late starts due to training, that number is often north of five million. Getting there requires years of maximum income and maximum saving, which typically means maximum clinical volume and maximum burnout risk.

Coast FIRE requires a fraction of that. And once you hit it, the income pressure essentially disappears. You can drop a day from your schedule without anxiety. You can walk away from the hospital system that treats you like a production unit and take a locum contract that pays thirty percent less but gives you three months off per year. You can take on the medical directorship that pays modestly but matters deeply. You can start the project that you have been deferring because the timing was never right.

The timing becomes right when your investments are doing the heavy lifting and your income only has to cover today.

I am living this personally. My Act 2 in medicine — building ChatRx, writing, coaching, improving rural maternity care — is only possible because I reached a point where my investment portfolio no longer needed my active contributions. I did not retire. I redirected. Coast FIRE is what made that redirection available. I wrote about what that transition actually felt like in my post Reflections on My Retirement: Time for Act 2.

Related resource

Free eBook: Healing the Healers: Overcoming Physician Burnout — and see how Coast FIRE connects to the burnout conversation

The Micro-Corporation Is the Vehicle That Gets You There Faster

Here is where the ownership structure connects directly to this financial strategy — and why I write about both without apology.

The single biggest obstacle between most employed physicians and Coast FIRE is tax drag. A physician earning $300,000 as a W-2 employee and contributing the maximum $23,000 to their 403(b) is keeping roughly $170,000 to $180,000 after taxes and then living on most of it. The amount actually flowing toward investment is a small fraction of gross income. The compounding engine is starved.

A physician running the same gross income through a properly structured S-Corp micro-corporation is in an entirely different situation. They can contribute up to $66,000 or more annually to a solo 401(k). They are deducting business expenses that previously came out of after-tax personal income. Their effective tax rate is meaningfully lower. I break down exactly why in my blog post How Household Dollars Flow Differently for Self-Employed Doctors — if you have not read it, that is the companion piece to this one.

More invested earlier means the compound growth engine runs longer. Which means Coast FIRE arrives sooner. The structure that gets you there faster is available to almost every physician doing any 1099 work. My post How Your Business Entity Determines Your Retirement Ceiling shows exactly what that gap looks like in practice.

Related resources

Free eBook: The S-Corp Advantage: Why This Is Your Best Professional Corporation Tax Classification (PEA Explorer)  |  Free eBook: Distribution & Salary Splits for Physician Micro-Corporations (PEA Explorer)  |  Free eBook: Retirement Planning for Self-Employed Physicians (PEA Builder)

Three Ways Coast FIRE Changes How You Practice Medicine

The financial threshold is only half the story. The other half is what Coast FIRE does to your professional psychology once you hit it.

It removes the income anxiety that drives overwork. Most of the burnout I see in physicians is not caused by the work itself. It is caused by the feeling that you cannot stop — that the income is load-bearing in a way that makes every shift feel mandatory rather than chosen. Coast FIRE dissolves that. When your retirement is handled, every day of clinical work becomes a decision rather than a sentence. If you want to think through what that looks like practically, the free eBook Design Your Career Around Your Life is worth your time.

It restores your negotiating position. The physician who needs the income accepts the contract they are offered. The physician who does not need it negotiates the contract they want — or walks away from the ones that do not fit. Corporate medicine has always known that financial dependency is one of its most effective management tools. Coast FIRE is how you take that tool away from them. I wrote more about this in my post Every Doctor Needs to Preserve Their Professional Autonomy.

It opens the door to purposeful work. Medicine has a long list of meaningful problems that are not well-compensated. Rural access. Underserved populations. Health equity. Innovation. The physicians who work on these problems most effectively are usually the ones who no longer need the work to pay their mortgage. Coast FIRE is what creates that space. If you are wondering what a deliberate downshift looks like in practice, my post Find Freedom by Downshifting Your W-2 Job walks through exactly that, and my post Job Stacking for Doctors: A Modern Approach to Work-Life Balance shows how to structure the income while you make the transition.

Related resources

Free eBook: Balancing Life & Practice: The Micro-Corporation Advantage  |  Free eBook: Job Stacking For Doctors: Modern Medical Lifestyles (PEA Explorer)  |  Blog: Throwing ICE on FIRE: The Power of Self-Employment

Where Are You Right Now? Running the Assessment

Most physicians I work with have never calculated their Coast FIRE number. They know roughly what they have saved. They have a vague sense of whether it is enough. But they have never sat down and asked: at my current account balance, if I never contributed another dollar, would compound growth get me to my retirement target on my timeline?

That question takes about fifteen minutes to answer with the right tool. The PEA-SimpliMD Retained Income Assessment is a good place to start — it helps you understand what your current income structure is actually producing toward long-term wealth, and where the gaps are. Pair it with the Tracking Net Worth: A Physician's Guide eBook to get a clean baseline before you run the Coast FIRE math.

If you want to take it further and look at what the retained income difference between your current structure and a micro-corporation structure would actually mean for your Coast FIRE timeline, the blog posts Retained Income: The Lost Money Doctors Are Leaving Behind and Retained Income: How to Keep More and Work Less lay the foundation.

Case Study: Dr. Pemberton's Deliberate Downshift

Dr. Pemberton (name protected) is a hospitalist in his mid-50s who came to me three years ago in the grip of classic late-career burnout. Full-time employment, seven-on-seven schedule, a system that kept adding administrative load without adjusting clinical expectations. He had a strong retirement account but had never run the Coast FIRE calculation for his own numbers.

When we did, the result stopped him. He already had approximately $1.8 million invested. At his age and timeline, that number — left alone at a conservative seven percent average return — would reach his five million dollar target in eighteen years without a single additional contribution. He was already at Coast FIRE and did not know it.

Over the next six months he formed a micro-corporation, converted one of his hospital contracts to a 1099 arrangement, and dropped to a four-on-ten schedule. His gross income fell by about twenty-two percent. His retained household income fell by less than eight percent after accounting for the structural tax improvement through the PC. For the first time in a decade, he told me he actually liked going to work. "I stopped feeling trapped," he said. "Same patients, same medicine. Completely different experience."

He is now developing a rural telemedicine service on his days off. Not because it pays well — it does not, yet — but because he can afford to care about it without needing it to pay his bills. That is Coast FIRE in practice.

You can read the original version of this post here: Coast FIRE: A Strategic Path for Self-Employed Doctors to Reduce Burnout and Enhance Autonomy.

Ready to run your own Coast FIRE number?

The first step is knowing where you stand. A one-hour strategy session will tell you whether you are closer to Coast FIRE than you think — and what structural moves would get you there faster. Most physicians I work with are surprised by how near the threshold actually is when the micro-corporation tax savings are factored into the timeline.

Book a $500 Business Strategy Session and we will run your numbers, map your entity structure, and identify the gap between where you are and where Coast FIRE becomes your reality.

If you want to build the foundation first, start with the PEA Explorer membership at $99/year. You will get immediate access to the 7 Ways a Micro-Corporation Helps Physicians FIRE eBook, the Retirement Planning for Self-Employed Physicians guide, the S-Corp Advantage eBook, and the full community of physicians working this strategy right now. And if you want to think through what financial freedom actually means for your life — not just the number but what you would do with it — the free Dare to Dream guide is a good place to start that conversation.

You may already be closer than you know. The only way to find out is to look.