How to optimize physicians' largest controllable expense: tax planning

Physicians represent a distinct group in the American tax landscape: With higher W-2 and 1099 incomes, they're often subject to the top federal bracket (37%) and 3.8% Net Investment Income Tax. In states such as California and New York, combined federal, state and local marginal tax rates can exceed 50% for high-income taxpayers. For a physician earning $600,000 annually, their federal and state tax bills could exceed their mortgage payments, student-loan service and practice overhead combined.

Thankfully, taxes are a controllable expense. In fact, for physicians, taxes are the single largest controllable expense of their careers. However, the financial services industry normally treats tax planning as an annual exercise, disconnected from investment decisions, private practice planning, and a physician's broader financial picture. Too often, tax is treated as a single, static cost to be reported, but physicians have a layered set of simultaneous variables that require active, concurrent management, whether it's equity compensation, practice sale proceeds, investment real estate and/or investment portfolio gains.

To optimize their tax expenses, physicians need to evolve their tax planning from a reactive, annual task into a proactive, integrated process. Prioritizing the following five tactics can reduce this year's tax bill, while also improving lifetime after-tax outcomes:

1. Continuous tax-loss harvesting: Tax-loss harvesting involves selling investments at a loss to offset capital gains, lower your tax bill and stay invested in the market. Yet most wealth management firms treat this as a December-only activity. Physicians' taxable accounts should be monitored continuously so harvestable losses can be captured in real time, and rebalancing events and portfolio transitions can be evaluated for tax impact before execution. For physicians nearing a significant liquidity event such as a practice sale or large RSU vesting, continuous tax-loss harvesting can enable the construction of a meaningful loss bank in the years before the gain event occurs.

2. Portfolio coordination: Most physicians don't have a portfolio problem, they have a coordination problem. Wealth can accumulate across taxable brokerage accounts, 401(k)s and 403(b)s, 457 plans, Roth IRAs, HSAs, practice retirement plans, trusts, equity-compensation accounts and real-estate entities, with each being managed independently via different advisors and custodians. The result is tax-inefficient assets ending up in taxable accounts, tax-advantaged accounts being underutilized, concentrated risk accumulating unnoticed across separate statements, and Roth-conversion and bracket-management opportunities being missed entirely. Coordinating a physician's entire portfolio as one system can ensure continuous tax efficient assets across all accounts simultaneously, including retirement-plan architectures and entity structures.

3. Liquidity event planning: The biggest financial event of many physicians' careers is a liquidity event, such as a practice sale, concentrated-equity exit, major RSU-vesting schedule or the sale of investment real estate. These events can generate significant wealth with equally significant tax bills, so it's crucial to plan for them years in advance, where possible. For example, if a physician expects a liquidity event within the next three years, planning should begin as early as possible, evaluating the structure and timing of the transaction, identifying opportunities to offset or reduce taxable gains, reviewing ownership and entity structures, considering charitable strategies, and coordinating investment and cash-flow decisions before and after the event.

4. Behavioral and integrated planning: Some of the most expensive financial mistakes don't appear on a statement; they're behaviors like abandoning an established financial plan during market stress or relying on short-term thinking. Ideally, financial advisors can help prevent such behaviors, however often physicians employ a fragmented set of professionals, such as an investment advisor, a CPA, an insurance professional, an estate attorney, a retirement-plan provider and even business consultants. A lack of coordination across these advisors leaves ample room for reactive behaviors, while also resulting in duplicate strategies, conflicting recommendations, missed tax opportunities and delayed decision-making. By integrating all behavioral-coaching and financial advisory services into one cohesive plan, physicians gain the benefit of one team supporting every significant financial event, rather than having to reconstruct financial events for tax purposes after the fact.

5. Long-term after-tax compounding: Tax savings don't just reduce this year's tax bill; they can compound year after year. By investing those tax savings rather than having the capital go to the IRS, physicians can earn returns, and those returns can earn returns. Over a 20-30 year career, the difference between a physician who managed taxes proactively and one who didn't can literally be measured in what they have in their portfolio. Long-term after-tax compounding is the growth of investment returns over time after reducing taxes, and it's a vital lever for physicians working to improve their lifetime after-tax outcomes. After all, every dollar of unnecessary tax paid today is a dollar that never compounds again.

The gap between what reactive versus proactive tax management can deliver isn't theoretical, it's measurable. For physicians in top tax brackets, this gap can compound into outcomes that can differ by hundreds of thousands — or even millions — of dollars. To maximize their hard-earned wealth and achieve better financial outcomes, physicians need to approach tax management not as a separate service, but as an embedded driver in every meaningful financial decision — in every trade, rebalance, practice transition, equity transaction or liquidity event. In doing so, physicians can begin to control and optimize the single largest expense of their career.

This article is adapted from the Earned Alpha-Tax Alpha report, a framework for continuous, integrated tax management best practices that have demonstrated material improvement in long-term after-tax wealth.

Bill Martin, CFA, is the chief wealth officer at Earned.