Doctors spend years developing their medical expertise, but managing the financial side of their careers requires a different set of skills. Between demanding schedules, practice expenses, and complex tax rules, it’s easy to overlook opportunities to reduce taxable income.
For high-earning physicians, even small tax planning mistakes can become expensive. The difference between claiming basic deductions and developing a comprehensive tax strategy could mean thousands of dollars in missed savings each year.
The key is proactive, year-round tax planning rather than simply preparing a return once a year. By reviewing retirement contributions, business structures, health care expenses, and other deductions throughout the year, doctors can make informed financial decisions before important deadlines pass.
Several deductions are especially relevant to physicians, including retirement plan contributions, professional expenses, health insurance premiums, charitable donations, and medical equipment purchases.
Retirement Strategies
Retirement contributions are among the most valuable tax planning opportunities available to physicians. For doctors with substantial practice income, the right retirement plan can reduce current taxable income while helping them accumulate wealth for the future.
However, not every retirement account offers the same contribution limits or tax advantages.
The best option depends on whether a physician is self-employed, operates a medical practice, or receives wages from an employer. Age, income, employee headcount, and retirement goals also influence the decision.
Contribution timing is equally important. Certain retirement plans must be established or employee contributions elected by specific deadlines. Other plans allow qualifying employer contributions after the tax year ends, subject to applicable requirements.
Reviewing these opportunities with a CPA and financial advisor before year-end allows physicians to adjust their contributions and avoid missing valuable deductions.
Solo 401(k)
A Solo 401(k) is designed for self-employed individuals who have no eligible employees other than a spouse. It can be particularly beneficial for physicians operating independent practices or earning qualifying income through consulting or locum tenens work.
A Solo 401(k) allows a doctor to contribute in two capacities:
- Employee: Make elective salary deferrals, subject to annual contribution limits.
- Employer: Make additional contributions based on eligible compensation or self-employment earnings.
For 2026, the employee elective deferral limit is $24,500. The combined employee and employer contribution limit is generally $72,000, excluding eligible catch-up contributions. Employee deferrals across multiple employers’ plans generally share one annual individual limit.
SEP IRA
A Simplified Employee Pension (SEP) IRA offers another option. For 2026, employer contributions are generally limited to the lesser of 25% of eligible compensation or $72,000. Different calculations apply to self-employed individuals.
Unlike a Solo 401(k), a standard SEP IRA does not allow regular employee salary deferrals. However, it typically involves less administrative complexity.
Cash Balance Plans
For high-income physicians seeking larger retirement deductions, cash balance plans may provide opportunities beyond traditional retirement accounts.
A cash balance plan is a type of defined benefit retirement plan that establishes a promised retirement benefit. Employers fund the plan through contributions calculated using actuarial assumptions.
Unlike a Solo 401(k), contribution amounts are not determined by a single universal annual contribution limit.
Depending on a physician’s age, compensation, existing retirement savings, and plan design, annual deductible contributions may reach $100,000 to $300,000 or more in certain circumstances. These are illustrative amounts rather than guaranteed contribution ranges.
Such plans can be particularly attractive to established practice owners with consistently strong earnings. However, they also create ongoing funding obligations and administrative responsibilities.
A physician considering a cash balance plan should coordinate with a CPA, an enrolled actuary, a retirement plan administrator, and ERISA counsel when appropriate. Together, these professionals can assess the plan’s long-term affordability, employee coverage requirements, and compliance obligations.
Entity Choice
How a medical practice is structured can significantly influence its tax obligations.
Physicians commonly operate as sole proprietors, partnerships, limited liability companies (LLCs), or corporations. However, an LLC’s tax treatment depends on its federal tax classification and elections.
Each structure carries different implications for income taxes, payroll taxes, administrative expenses, and ownership arrangements.
For example, an eligible physician operating through an S corporation can receive both wages and shareholder distributions. The corporation generally deducts qualifying wages as business expenses, while remaining business profits pass through to the shareholder. This arrangement may offer employment tax advantages, but it also requires careful planning.
Entity planning must also consider the qualified business income (QBI) deduction.
Eligible taxpayers may deduct up to 20% of qualified business income, subject to limitations. Medical services generally qualify as a specified service trade or business, meaning the deduction phases out as taxable income increases.
A CPA can model how reasonable compensation, retirement contributions, and taxable income affect the potential QBI deduction.
Health Insurance Expenses
Health insurance expenses represent another potential deduction for physicians who operate their own businesses.
Health Insurance Premiums
Qualifying self-employed doctors may deduct eligible health insurance premiums, including certain long-term care insurance premiums, for themselves and qualifying family members.
This deduction generally reduces adjusted gross income without requiring taxpayers to itemize.
However, several restrictions apply. The deduction cannot exceed eligible earned income from the business under which the insurance plan is established. It also generally cannot be claimed for months when the physician is eligible for certain employer-subsidized coverage.
S corporation owners holding more than 2% of the company’s shares must follow additional rules. Typically, the corporation must pay or reimburse qualifying premiums and report them correctly on the owner’s Form W-2.
HSAs
Physicians may also benefit from contributing to a health savings account (HSA).
HSAs offer three primary federal tax advantages: eligible contributions are deductible or excluded from income, investment earnings grow tax-free, and withdrawals for qualified medical expenses are tax-free.
For 2026, eligible individuals may contribute up to $4,400 with self-only coverage or $8,750 with family coverage. Additional catch-up contributions may be available to individuals age 55 or older.
Charitable Giving
Charitable contributions can help physicians support meaningful causes while creating potential tax advantages.
However, the timing and structure of donations influence their tax benefits.
One option is a donor-advised fund (DAF), which allows donors to contribute assets to a sponsoring charitable organization and recommend grants to eligible charities over time.
Rather than making smaller contributions each year, a physician might combine several years of planned donations into one larger contribution.
This strategy, commonly called bunching, may help the taxpayer exceed the standard deduction and make itemizing more beneficial.
However, beginning in 2026, taxpayers who itemize generally may deduct charitable contributions only to the extent they exceed 0.5% of adjusted gross income, subject to other limitations.
Donating appreciated investments can offer additional advantages.
When eligible long-term appreciated securities are donated directly to a qualifying charity, the donor may generally avoid recognizing the unrealized capital gain and claim an allowable charitable deduction, subject to valuation and adjusted gross income limits.
A CPA can help determine which assets to donate and when contributions will generate the greatest potential tax benefit.
Business Expense Deductions
Physicians frequently incur business expenses that can qualify for deductions when properly documented.
Vehicle Expenses
Vehicle expenses are one example. Doctors who travel between qualifying business locations may deduct eligible transportation costs, but ordinary commuting between home and a regular workplace generally does not qualify.
Eligible taxpayers can typically compare the standard mileage method with the actual-expense method, subject to vehicle-specific eligibility and election rules.
For 2026, the IRS standard business mileage rate is 72.5 cents per mile for January through June and 76 cents per mile for July through December.
Physicians should maintain contemporaneous mileage records showing the dates, destinations, distances, and business purposes of their trips.
Home Office Expenses
Self-employed physicians who regularly and exclusively use a designated area for qualifying business activities may deduct eligible costs. Administrative work, billing, and patient scheduling can support a qualifying home office when other requirements are satisfied.
The IRS generally allows qualifying taxpayers to choose between a simplified calculation and an actual-expense method.
Business Equipment Expenses
Medical equipment purchases present additional opportunities.
Under Section 179, eligible businesses may immediately expense certain qualifying equipment rather than depreciating its cost over several years.
For 2026, the maximum Section 179 deduction is $2.56 million, subject to investment thresholds, taxable-income limitations, and other requirements.
Additionally, qualifying equipment acquired and placed in service after January 19, 2025, may be eligible for 100% bonus depreciation.
Integrating Wealth Management With Tax Planning
Maximizing deductions should support a physician’s broader financial goals, not simply reduce the current year’s tax bill.
For example, contributing more money to retirement accounts can lower taxable income today. However, it also affects liquidity, investment allocation, and the taxes that may eventually apply to retirement withdrawals.
Likewise, purchasing equipment solely to generate deductions may create unnecessary expenses.
The most effective strategies coordinate tax planning with long-term wealth management.
For practice owners, this may involve evaluating whether to retain earnings for expansion, invest in equipment, purchase commercial property, or increase retirement contributions.
Physicians investing in real estate should also consider rental income, depreciation, financing costs, and the passive activity loss rules. Rental losses generally cannot automatically offset medical practice income.
A CPA and wealth advisor can work together to evaluate the tax consequences of each decision while considering retirement readiness, risk tolerance, and family financial priorities. This coordinated approach helps physicians avoid making isolated decisions that deliver immediate savings but undermine long-term objectives.
Substantiating Business Expenses With Proper Documentation
Even legitimate deductions can become problematic when physicians fail to maintain adequate documentation.
Maintaining receipts, invoices, mileage logs, and supporting documentation throughout the year makes tax preparation easier and helps support deductions if questions arise. Each record should detail the amount, date, and business purpose of the expense.
Particular attention should be given to meals and business travel.
For qualifying business meals, physicians should document who attended, the business relationship, and the reason for the expense. Most ordinary business meals are subject to a 50% deduction limitation.
Travel records should identify the business purpose and distinguish qualifying professional activities from personal expenses.
Year-Round Tax Planning
A quarterly tax planning process can help physicians stay organized while identifying opportunities before deadlines pass.
Quarterly reviews also allow doctors to adjust estimated tax payments when income changes. This can help reduce the risk of underpayment penalties and unexpected tax bills.
Year-round planning transforms tax management from an annual administrative obligation into an ongoing financial strategy that adapts to current circumstances and foreseeable changes.
Five Steps to Begin Improving Your Tax Strategy
If you’re a medical practitioner looking to improve your tax strategy, start with these five actions:
- Review your current deductions. Examine retirement contributions, health insurance costs, charitable donations, and qualifying business expenses.
- Evaluate your business structure. Determine whether your current entity classification supports your financial goals.
- Forecast your taxable income. Identify opportunities to adjust contributions or time deductible expenses before year-end.
- Organize your records. Maintain accurate receipts, mileage logs, payroll documentation, and accounting records.
- Schedule regular tax planning meetings. Review your financial position throughout the year rather than waiting until tax season.
Maximize Your Deductions With Custom Accounting CPA
Understanding potential deductions is valuable, but implementing them correctly requires attention to tax regulations, contribution deadlines, and individual financial circumstances.
Whether you’re an employed physician with independent consulting income or a medical practice owner managing substantial business revenue, working with an experienced CPA can help you identify opportunities you may have overlooked.
At Custom Accounting CPA, we help physicians identify tax-saving opportunities through year-round proactive accounting and financial planning. Our services provide ongoing advisory support for a flat monthly fee, making it easier to receive guidance without unexpected charges for routine questions or consultations.
Book a free strategy call with Custom Accounting CPA to review your financial situation, explore potential deductions, and develop a personalized tax strategy.
