Business Tax Deductions for Independent Contractor Dental Specialists
What you can expense, what needs special treatment, and how to keep good records, with a free Excel tracker.
If you're a 1099 dental specialist, the income deposited into your business account is not necessarily the income on which you pay tax. Legitimate business expenses can reduce your business profit. But the rules are not as simple as putting everything on a business credit card.
What counts as a business deduction?
A business expense generally must be ordinary and necessary for your work. Ordinary means common or accepted in your field. Necessary means helpful and appropriate for running your business, not necessarily essential. You should be able to explain what you purchased, why it was for work, and how much you paid. Personal expenses don't become business expenses just because your LLC/S-Corp pays for them.
Common expenses for independent contractor dental specialists
Are you a glutton for punishment and really want a detailed list? Click here for the complete dental specialist business expense checklist.
- Dental supplies: Consumable clinical supplies that you purchase yourself, such as burs, endodontic files, anesthetics, gloves, instruments and other materials used in patient care. Don't claim supplies furnished by the office at no cost to you.
- Licensing and professional dues: Renewals of dental licenses, DEA registration, sedation permits, specialty certifications, and qualifying dental association memberships.
- Continuing education: CE courses, clinical conferences, hands-on workshops, journals and other training that maintains or improves skills in your existing profession. Schooling to qualify for a new profession is different and generally does not qualify.
- Business travel and vehicle expenses: Eligible trips between work locations, professional conference airfare and lodging, parking, tolls and travel needed for temporary work assignments. Your normal drive from home to a regular workplace is generally commuting, not deductible business mileage.
- Business meals: Meals with a real business purpose, such as discussing an agreement with a practice owner or a referral relationship. Most qualifying meals are only 50% deductible. Your everyday lunch during a workday generally isn't.
- Business insurance: Malpractice, cyber, professional liability, business property and qualifying business overhead coverage. Personal income-replacement disability insurance is usually not a deductible operating expense.
- Accounting, legal and professional services: Your business CPA, bookkeeping, payroll service, business attorney, and business consulting. Costs related to acquiring a practice can need special tax treatment.
- Office and technology: Business-use phone and internet, supplies, cloud storage, accounting software, professional scheduling software and subscriptions. Deduct only the business portion of mixed-use purchases.
- Marketing and business development: Your professional website, business cards, advertising, and legitimate promotional expenses. Payments or gifts connected with patient referrals can raise professional and legal issues and deserve separate review.
- Employees and other operating costs: Qualifying employee wages, employer payroll taxes, contract administrative help, business bank charges and other ordinary business operating expenses. LLC/S-Corp owner distributions are not deductible wages.
What about expensive equipment?
Buying a dental microscope, imaging system, computer, vehicle or other equipment can have different rules from buying supplies. Depending on the purchase, your accountant may be able to deduct the full eligible cost in one year or may need to spread the deduction over several years. That spreading process is called depreciation. Keep these purchases in a separate list with the cost, purchase date, date first used for business and business-use percentage. Don't assume every large purchase is immediately deductible.
What changes if you use an LLC/S-Corp instead of Schedule C?
The types of legitimate business expenses are broadly similar, but the way you pay and report them can differ. A sole proprietor generally reports eligible business expenses on Schedule C. An LLC/S-Corp separately tracks its operating costs and generally must pay a working shareholder reasonable W-2 compensation before making non-wage distributions. An LLC/S-Corp owner who pays business expenses personally should ask their accountant about a documented accountable reimbursement plan. Owner health insurance and retirement plan contributions have special rules and should not simply be mixed into general operating expenses.
How to keep track without overcomplicating things
You do not need another expense-tracking app if QuickBooks or your bookkeeper already does the job. Whatever system you use, separate business from personal spending, give each transaction a category, preserve receipts and record the business purpose when it is not obvious. If you pay something personally that belongs to the business, flag it for your accountant. Track mileage contemporaneously and keep major equipment purchases in a separate section.
Free Excel business expense tracker
If you don't already have a system, download the docResource Business Expense Tracker. It includes a transaction log, category summaries, a separate mileage log and a sheet for major purchases. It's a worksheet for recording expenses, not a tax calculator. You can use it yourself or send it to your CPA.
Expenses people commonly get wrong
- Commuting: Regular travel from your home to your usual office generally doesn't qualify.
- Personal meals and clothing: Your lunch and everyday professional clothes are normally personal expenses.
- Student loans: Principal payments on personal student loans are not an operating business deduction.
- Personal insurance: Personal life insurance and income-replacement disability insurance usually aren't business deductions.
- Double counting: Don't deduct an expense twice, or treat reimbursed costs as unreimbursed expenses.
- Owner distributions: Moving LLC/S-Corp funds to your personal account isn't automatically a deductible business expense.
A practical next step
At least once a quarter, review your business expenses with your bookkeeper or CPA. Focus on accurate records rather than trying to maximize every category. The goal is to pay the correct amount of tax and avoid overlooking legitimate deductions.
General educational information only, not individualized tax, legal or accounting advice. Actual deductions depend on facts, documentation, business structure, current federal and state law, and elections. Confirm the tax treatment of travel, meals, vehicles, owner benefits and large purchases with your CPA.