What is patient acquisition cost?
Patient acquisition cost (PAC) is the total marketing and sales cost a practice spends to gain one new patient, calculated as those costs divided by the number of new patients who started care in the same period. It is the practice version of customer acquisition cost. Read alongside patient lifetime value, it shows whether growth spending pays back.
- Formula: marketing + sales costs ÷ new patients acquired in the period.
- Counts patients who attended or started care, not leads or bookings.
- Decide what costs are in: ad spend, agency fees, software, and sometimes intake staff time.
- Judge it against patient lifetime value, not against other practices' numbers.
- Every practice welcome — retainers from $499/mo, Goals-Driven engagements, Performance-Linked Payout Models available.
- Dallas, Texas LLC
- US client team · Central Time (CST)
- 25+ US healthcare clients
- BAA signed with every client
- HIPAA compliance training across client and delivery teams
- Contracts and invoices in USD
-
Primary Care · North Dallas, TXCase study →
-
MedSpa · North Dallas, TX
-
Skin Care · Beverly Hills, CA
-
Dental · Christiansburg, VACase study →
-
Pediatrics · Blacksburg, VACase study →
-
Pediatric Dentistry · Blacksburg, VACase study →
-
Dental · Roanoke, VACase study →
-
Functional Medicine · Telehealth · USACase study →
“They were able to get all my ideas and work with me over a period of three to four months and create this amazing website. It's super customized, very modern, and it incorporates all the elements that I had wanted — the patient portal, nice pictures, a very interactive website, patient reviews. I would highly recommend their company to anyone who wants to make an excellent website.”
How patient acquisition cost is calculated
The numerator is the cost of winning new patients. At minimum that is advertising spend. A fuller version adds agency or freelancer fees, marketing software, call tracking, content and creative production, and the share of front-desk or intake staff time spent converting enquiries. The denominator is the number of new patients acquired, usually defined as people who attended a first visit or started a treatment plan.
PAC can be calculated for the whole practice (blended) or per channel. Blended PAC tells owners whether marketing as a whole is affordable. Channel PAC shows which sources deserve more budget. Both are useful, but they answer different questions, so label reports clearly.
PAC sits at the end of a chain of metrics: cost per lead, cost per booked appointment, then patient acquisition cost. Each step adds the effect of conversion. If booking and show rates are weak, PAC will be much higher than cost per lead suggests.
How practices use it
- Budget decisions: compare PAC against the gross margin a typical new patient brings over time.
- Channel mix: a channel with a higher cost per lead can still win on PAC if its patients book and show more often.
- Service lines: calculate PAC separately for high-value elective services and routine care, since the acceptable cost differs.
- Trend tracking: watch PAC over quarters, not weeks. Seasonality and ramp-up periods distort short windows.
Specialty context is in our patient acquisition cost by specialty answer. The cost per new patient calculator helps you run numbers, and the ROI guide links PAC to revenue.
Common mistakes and limits
The most common mistake is using leads or bookings as the denominator and calling it PAC. That makes marketing look cheaper than it is. Another is excluding agency fees or software in one month and including them in the next, which makes trends meaningless.
Attribution is also imperfect. Patients often see an ad, search the practice name, read reviews and then call. Giving all credit to the last click undervalues awareness channels. Use a consistent method, ask new patients how they heard about you, and treat channel PAC as a guide rather than an exact figure.
Finally, avoid comparing your PAC to figures from other practices without context. Specialty, city, payer mix and how each practice defines costs all change the number.
Related pages from the US team
Patient acquisition cost by specialty
Why costs differ across specialties.
Cost per new patient calculator
Run your own acquisition math.
Healthcare marketing ROI guide
From spend to revenue.
US healthcare marketing glossary
Every term, defined in plain English.
Every practice welcome — Goals-Driven engagements from $499/mo
We benchmark your last 90 days, agree monthly goals with you, and track them live on Ichelon Agency OS with a report every Monday. Performance-Linked Payout Models are available. Our US leadership is based in Dallas, and strategy calls run in US business hours.
Common questions
How do you calculate patient acquisition cost?
Add up marketing and sales costs for a period, such as ad spend, agency fees, software and intake time if you include it, then divide by the number of new patients who attended a first visit or started care in that period. Keep the same cost definition every month.
What is the difference between patient acquisition cost and cost per lead?
Cost per lead divides marketing cost by enquiries. Patient acquisition cost divides it by new patients who actually started care. Because not every lead books or shows up, patient acquisition cost is higher and closer to the real cost of growth.
What is a good patient acquisition cost?
It depends on what a new patient is worth to the practice. A specialty with high-value procedures or long-term care can support a higher acquisition cost than one with low-value, one-time visits. Compare PAC to patient lifetime value rather than to other practices.
Should agency fees be included in patient acquisition cost?
Usually yes, if you want the true cost of acquiring patients. Some practices report ad-only PAC as well, for comparing channels. Whatever you choose, label it clearly and use the same definition over time.
A note on this guide: it explains marketing practice, not legal advice. Rules on privacy, advertising and insurance change and vary by state, so confirm anything compliance-related with your own counsel.
Want a clear number for what each new patient costs?
Book a 30-minute call. We'll help you define PAC for your practice and set up the tracking to measure it.