Cash Balance Plans for Physicians and Medical Practices

How physician age and medical-practice demographics affect contributions

Because a defined benefit plan funds a target benefit by retirement age, older owners can generally support larger annual contributions than younger participants because there are fewer years to fund the benefit. The practice’s complete employee census then determines testing requirements and the cost of providing benefits to eligible employees. Actual figures require actuarial calculation.

• Age 40–45: illustrative owner contribution range of roughly $80,000–$140,000
• Age 50–55: illustrative owner contribution range of roughly $150,000–$240,000
• Age 60+: illustrative owner contribution range of roughly $250,000–$300,000+

When a cash balance plan may fit a medical practice

• A consistently profitable practice whose owner wants to contribute beyond defined contribution limits.
• An owner, often age 40 or older, who wants to accelerate retirement funding.
• A practice whose physician, clinician, nurse, technician, and administrative-staff demographics support compliant testing at a sustainable employee cost.
• An owner who is comfortable with an expected multi-year funding commitment.
• A practice whose CPA, actuary, administrator, and investment professionals can coordinate the design and annual operation.

Clinical and administrative staff costs must be modeled before implementation

A simple age-and-income calculator cannot determine whether a medical practice is a good fit. The census must show every eligible employee’s date of birth, date of hire, compensation, hours, ownership, and job status. Those facts determine who must be covered and how the combined program performs under applicable testing.

For practices with younger staff and an older owner, the design may be favorable. For practices with highly compensated physicians or clinicians, or employee ages close to the owner’s age, required employee benefits may be higher. Neither outcome should be assumed without modeling.

Funding and operational tradeoffs

A cash balance plan is more involved than a SEP IRA or stand-alone 401(k). It requires an enrolled actuary, a formal plan document, annual administration and certification, disciplined funding, accurate census data, and investment coordination. Contributions are not as discretionary as profit sharing, although a properly developed design may provide a reasonable funding range.

A cash balance plan is generally best viewed as a multi-year commitment. Practice owners should have income and cash flow consistent enough to support the expected contributions and employee benefits. Plans may be amended, frozen, or terminated when circumstances change, but those decisions require professional review.

How it coordinates with a medical practice’s 401(k)

In most medical-practice designs, the cash balance plan does not replace the 401(k); it operates alongside it. The 401(k) supports employee deferrals and profit-sharing allocations, while the cash balance plan adds an employer-funded defined benefit layer. Coordinating the plans is essential for IRS testing, owner objectives, and sustainable benefits for clinical and administrative staff.

RAS physician illustration: Practice owner, age 52

This is an illustrative scenario, not a typical result or guarantee. The estimates depend on the stated assumptions, entity type, employee census, compensation, plan formula, actuarial assumptions, tax rate, testing, applicable limits, and professional tax review.

Authoritative sources

• IRS: Defined Benefit Plan
• IRS: Retirement Plan Definitions
• U.S. Department of Labor: Cash Balance Pension Plan FAQs

Frequently asked questions

How much can a physician contribute to a cash balance plan?

The amount is actuarially determined. It depends on age and compensation, the plan formula, retirement age, prior service, employee demographics, existing plans, and applicable limits. A feasibility study is required before an amount can be established.

Can a medical practice with physicians, clinicians, nurses, technicians, and staff use a cash balance plan?

Potentially. The complete employee census must be analyzed because age, compensation, hours, eligibility, ownership, and turnover affect coverage, nondiscrimination testing, and required staff benefits.

Can a medical practice maintain both a 401(k) and a cash balance plan?

Yes. Many medical-practice designs coordinate a 401(k), profit-sharing plan, and cash balance defined benefit plan. The plans must be designed and tested together.

Can a solo physician establish a cash balance plan?

Potentially. A solo medical-practice owner may be a candidate when income, compensation, funding capacity, and retirement objectives support the design. The analysis must be revisited if employees are hired.

What happens if medical-practice income falls?

Cash balance plans create an expected funding obligation, so income stability matters. A design may provide a reasonable funding range, and a plan can sometimes be amended, frozen, or terminated, but any change requires professional review.

Educational only. Retirement Actuarial Services works alongside your CPA, tax advisor, legal counsel, enrolled actuary, administrator, and investment professionals. Plan feasibility, contribution levels, deductions, employee costs, and 401(h) reimbursements depend on compensation, employee census, plan documents, actuarial assumptions, testing, applicable IRS limits, and governing law. Examples are illustrative and do not guarantee results.

Prepared by Stephen Arnold, CRPS® CWPP — CEO/Author. Technical implementation and actuarial feasibility require review by the appropriate qualified professionals. Last reviewed August 1, 2026.