How LLC Owners Save on Taxes in 2026

Client Playbook — Eye Care Professional

Optometrist & Eye Doctor Tax Playbook 2026

Optometrists and ophthalmologists operate at the intersection of healthcare and retail — professional services income combined with optical product sales creates a unique tax profile. Add in expensive diagnostic equipment, continuing education requirements, licensing fees, and the choice between practice ownership and employment, and the tax planning opportunities are substantial. This playbook covers every strategy available to eye care professionals.

$120K–$250K+Typical OD Income Range
$72,0002026 Solo 401(k) / SEP Max
§179 + BonusEquipment Depreciation Strategy
IRC §199AQBI Deduction Authority
Verified 2026 IRS Figures IRC §162, §179, §199A Rev. Proc. 2025-32
Section 179 Limit (2026)$2,560,000
Bonus Depreciation (2026)100% (OBBB restored)
Solo 401(k) Max (2026)$72,000
SEP-IRA Max (2026)$72,000
QBI Deduction20% (SSTB phase-out applies)
SS Wage Base (2026)$184,500

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Practice Entity Structure — The Critical Decision

The entity structure decision for an optometrist practice has major tax implications. Most states allow optometrists to practice as sole proprietors, professional corporations (PC), professional LLCs (PLLC), or S-Corps. The tax analysis depends primarily on net income level and the practitioner's goals.

StructureBest ForKey Tax AdvantageKey Disadvantage
Sole Proprietor / Schedule CNet income under $50KSimple; full QBI deduction availableFull SE tax on all net income
S-CorpNet income $80K–$500K+SE tax savings on distributions; 401(k) through corporationPayroll administration; reasonable compensation requirement
C-Corp (PC)Rarely optimal for small practices21% flat rate; fringe benefitsDouble taxation on distributions; complex
Partnership / Multi-Member LLCGroup practicesFlexible profit allocation; no double taxSE tax on guaranteed payments; complex

The S-Corp is the most common optimal structure for an OD with net income above $80,000. The practice pays the OD a reasonable W-2 salary (typically $100,000–$150,000 for a full-time OD) and distributes the remaining profit as S-Corp distributions — which are not subject to SE tax. The SE tax savings on $100,000 of distributions are approximately $15,300 per year.

Equipment Depreciation — The Biggest Deduction

Eye care practices are equipment-intensive. A typical OD practice may have $150,000–$500,000 in diagnostic and treatment equipment: autorefractors, slit lamps, OCT machines, visual field analyzers, fundus cameras, phoropters, and optical dispensing equipment. In 2026, 100% bonus depreciation is restored by the One Big Beautiful Bill — meaning all of this equipment can be deducted in the year of purchase.

For an OD who purchases $200,000 in equipment in 2026, the full $200,000 is deductible in year one (subject to the business income limitation for Section 179). This can dramatically reduce taxable income in the year of purchase. The key planning consideration is timing: purchasing equipment in a high-income year maximizes the tax benefit.

Optical Retail Inventory: Frames, lenses, and contact lenses held for sale are inventory — not equipment — and are not eligible for Section 179 or bonus depreciation. Inventory is deducted through cost of goods sold (COGS) as items are sold. Practitioners should ensure the practice properly separates equipment purchases from inventory purchases on the books.

QBI Deduction — The SSTB Trap for Optometrists

The 20% Qualified Business Income (QBI) deduction under IRC §199A is available to pass-through business owners — but healthcare is a Specified Service Trade or Business (SSTB). This means the QBI deduction phases out for high-income optometrists. For 2026, the phase-out begins at $197,300 (single) and $394,600 (MFJ) and is fully phased out at $247,300 (single) and $494,600 (MFJ).

An OD with taxable income below the phase-out threshold can take the full 20% QBI deduction on practice income — a significant benefit. An OD above the phase-out threshold receives no QBI deduction on the professional services income. However, if the practice has a separate optical retail component (selling frames and lenses), that retail income may not be SSTB income and could qualify for the QBI deduction even above the threshold — this requires careful income segregation and entity structuring.

Frequently Asked Questions

Should an optometrist separate the optical retail business from the professional practice for tax purposes?
This is a significant planning opportunity for ODs above the QBI phase-out threshold. The professional services income (eye exams, medical services) is SSTB income — no QBI deduction above the threshold. But the optical retail income (selling frames, lenses, contacts) may be treated as non-SSTB retail income — eligible for the QBI deduction regardless of income level. By operating the optical retail component as a separate entity (e.g., a separate LLC or S-Corp), the OD may be able to claim the QBI deduction on the retail income even when the professional income is above the SSTB threshold. This requires careful documentation that the entities are genuinely separate businesses with separate books, separate bank accounts, and arm's-length transactions between them.
What retirement plan is best for an OD practice with employees?
For an OD practice with employees, the retirement plan choice depends on the number of employees, their compensation levels, and the OD's contribution goals. A SIMPLE IRA is the lowest-cost option for small practices (up to $17,000 employee deferral in 2026) but has lower contribution limits. A SEP-IRA allows contributions up to $72,000 but requires proportional contributions for all eligible employees. A 401(k) plan with profit-sharing allows the highest contributions ($72,000 total in 2026) and gives the most flexibility in structuring employee contributions — but has higher administrative costs. For an OD who wants to maximize their own retirement contributions while minimizing required contributions for employees, a 401(k) with a safe harbor design and age-weighted profit-sharing formula is often the optimal choice.
Eye Care Practice Tax Planning

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Quick Reference — 2026
Section 179 Limit$2,560,000
Bonus Depreciation100%
Solo 401(k) Max$72,000
QBI Phase-Out (MFJ)$394,600–$494,600
SSTB ClassificationYes (healthcare)
SS Wage Base$184,500

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More Tax Planning FAQs

What is the S-Corp election and how does it reduce self-employment tax?
An S-Corp election allows the owner to split income between a reasonable salary (subject to 15.3% FICA) and distributions (not subject to FICA). For a business owner with $200,000 in net profit paying an $80,000 salary, the annual SE tax savings are approximately $15,500–$18,500. The S-Corp must file Form 2553 within 75 days of formation.
What is the Section 199A QBI deduction and how does it apply?
The §199A deduction allows pass-through business owners to deduct up to 23% of qualified business income (QBI) from taxable income under OBBBA. For taxpayers above $403,500 (MFJ) in 2026, the deduction is limited to the greater of 50% of W-2 wages or 25% of W-2 wages plus 2.5% of qualified property.
What retirement plan options are available for self-employed professionals?
Self-employed professionals can establish a Solo 401(k) (up to $70,000 in 2026), a SEP-IRA (25% of net self-employment income up to $70,000), a SIMPLE IRA ($16,500 + $3,500 catch-up), or a Defined Benefit Plan (up to $280,000+ depending on age). The Solo 401(k) is the best option for most self-employed professionals.
How does the home office deduction work for self-employed professionals?
Self-employed professionals who use a dedicated home office space exclusively and regularly for business qualify for the home office deduction under §280A. The deduction is calculated as a percentage of home expenses equal to the office square footage divided by total home square footage. The simplified method allows $5/sq ft up to 300 sq ft ($1,500 maximum).
What vehicle deductions are available for self-employed professionals?
Self-employed professionals can deduct vehicle expenses using either the standard mileage rate (70 cents/mile in 2026) or actual expenses. Vehicles with a GVWR over 6,000 lbs qualify for §179 expensing and bonus depreciation without luxury auto limits. A mileage log must be maintained for either method.
What is the Augusta Rule and how can it benefit business owners?
The Augusta Rule (§280A(g)) allows homeowners to rent their primary or secondary residence to their business for up to 14 days per year. The rental income is completely tax-free to the homeowner, and the business deducts the rent as a business expense. At $2,000–$3,000/day for 14 days, this strategy generates $28,000–$42,000 of tax-free income.
How does cost segregation apply to business owners who own real estate?
Cost segregation reclassifies building components into shorter depreciation categories eligible for bonus depreciation. For a $1M commercial property, cost segregation typically identifies $150,000–$250,000 of accelerated depreciation, generating $60,000–$100,000 in first-year deductions at the 40% bonus depreciation rate in 2026.
What is the self-employed health insurance deduction?
Self-employed professionals can deduct 100% of health insurance premiums (for themselves, their spouse, and dependents) as an above-the-line deduction under §162(l). This deduction reduces AGI and is available even if the taxpayer does not itemize. S-Corp owners must include premiums in W-2 wages before claiming the deduction.
How should a self-employed professional handle estimated tax payments?
Self-employed professionals must make quarterly estimated tax payments by April 15, June 15, September 15, and January 15. The safe harbor is 100% of prior year tax (110% if prior year AGI exceeded $150,000). Failure to pay sufficient estimated taxes results in an underpayment penalty under §6654.
What is the excess business loss limitation for pass-through owners?
Under §461(l), pass-through business owners cannot deduct business losses exceeding $305,000 (single) or $610,000 (MFJ) in 2026 against non-business income. Excess losses are treated as an NOL carryforward to the following year.
How does the net investment income tax (NIIT) affect self-employed professionals?
The 3.8% NIIT applies to net investment income for taxpayers with MAGI above $200,000 (single) or $250,000 (MFJ). Active business income and wages are not subject to the NIIT. Self-employed professionals who invest in rental properties or passive businesses should plan for the NIIT impact.
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