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Veterinary Practices: Pharmacy Margins, Inventory Shrinkage, and the Practice Economics Most Owners Miss

Ben Schwartz August 12, 2026
Veterinary Practices: Pharmacy Margins, Inventory Shrinkage, and the Practice Economics Most Owners Miss

A veterinary practice is not one business — it is two businesses that share a roof and a bank account. The professional services side and the pharmacy and supply side have completely different cost structures, different margins, and different operational risks. Most veterinary books treat them as one, and that is exactly where the financial picture breaks down.

Veterinary practices are unusual among healthcare businesses in that product revenue — drugs, supplies, preventives, food — routinely represents 30 to 40 percent of total revenue. Managing that revenue stream requires inventory accounting, COGS tracking, shrinkage controls, and vendor management disciplines that are entirely separate from managing professional fees. When the two are mixed, neither can be managed well.

The bookkeeping issues that hurt veterinary practices:

  • Pharmacy and supply revenue is bundled into professional services revenue: When a $450 office visit includes a $120 exam fee, a $180 heartworm prevention package, and a $150 antibiotic prescription, all three components have different costs, different margins, and different operational implications. The professional fee has near-zero material cost. The drugs and preventives have a defined COGS from the distributor. Practices that book the entire transaction as "services revenue" cannot tell what their pharmacy margin is, cannot benchmark it against industry norms, and cannot identify when distributor price increases are eroding profitability.
  • Controlled substance inventory reconciliation creates legal exposure when it fails: Schedule II through V controlled substances — ketamine, tramadol, diazepam, opioid pain medications — must be inventoried, logged, and reconciled against dispensing records under DEA requirements. A discrepancy between physical count and dispensing log is not a bookkeeping error to correct in QuickBooks — it is a reportable event with regulatory consequences. Practices that handle controlled substance reconciliation informally or infrequently are accumulating DEA exposure with every quarter that passes without a clean three-way reconciliation.
  • COGS on drugs and supplies must be tracked separately from professional fee costs: A practice with 38 percent gross margin overall may have 65 percent gross margin on professional services and 22 percent gross margin on pharmacy — or those numbers may be reversed. Without clean COGS tracking by revenue stream, the practice cannot make intelligent decisions about pharmacy pricing, formulary selection, distributor terms, or the economics of in-house dispensing versus prescription forwarding. Blended gross margin hides which part of the business is actually making money.
  • Corporate consolidation has changed the competitive benchmark entirely: Veterinary consolidators — national and regional DSO-style groups — have been buying independent practices at scale since the mid-2010s. These consolidators operate with centralized purchasing, shared overhead, and data-driven benchmarking that independent practice owners rarely have access to. An independent practice that does not know its own pharmacy margin, its revenue per doctor, and its EBITDA by service line is negotiating from ignorance — either in a sale conversation or in understanding why patients are choosing a corporate competitor on price.
  • Associate versus owner doctor production is not tracked separately: In multi-doctor practices, the revenue generated by associate doctors carries a very different cost structure than owner-doctor revenue. Associates receive salary or production-based compensation; the practice absorbs payroll taxes, benefits, and malpractice coverage. Owner doctors generate revenue without incremental labor cost but consume equity returns. Practices that cannot report revenue and gross margin by doctor cannot make informed decisions about hiring, compensation structure, or schedule optimization.
  • Equipment depreciation on imaging and surgical equipment is not planned: Digital radiography systems, ultrasound units, dental radiology, and anesthesia equipment represent significant capital investment — often $150,000 to $400,000 in a fully equipped practice. Depreciating these assets correctly is both a tax strategy and a financial planning necessity. Practices that expense repairs as they occur but never plan for equipment replacement discover the capital need when the equipment fails, not when the balance sheet told them it was coming.
  • Wellness plan deferred revenue is booked as income when collected: Monthly wellness plans — preventive care packages billed as recurring subscriptions — are a liability until the services are rendered. A client who pays $49 a month for a wellness plan that includes two exams and a dental cleaning has prepaid services the practice has not yet delivered. Booking these payments as current income overstates monthly revenue, understates the service obligation on the balance sheet, and creates a cash vs. earnings mismatch that compounds as plan enrollment grows.

What it costs: pharmacy margins that disappear without explanation, DEA exposure from informal controlled substance tracking, an inability to evaluate associate profitability, and capital surprises when aging equipment fails without a replacement reserve.

We help veterinary practices build the revenue-stream separation and inventory controls that give them real visibility into the economics of both sides of the business.

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