ChatGPT-referred patients may convert better than Google patients, but no study of plastic surgery practices proves it. Published studies from other industries split: some show ChatGPT visits converting at 1.3 to 9 times the rate of Google organic, and the largest ecommerce analysis found the opposite.
AEO, GEO, AI visibility, and AI SEO are four names for the same work: getting a practice named in ChatGPT, Perplexity, Gemini, and Google AI Overviews. This post uses AEO and asks one narrow question, which is conversion quality by source. How many patients research in ChatGPT is covered in [how many plastic surgery patients research in ChatGPT](/blog/how-many-plastic-surgery-patients-research-in-chatgpt).
- No independent study found while writing this post measures ChatGPT-referred plastic surgery patients against Google patients. The available data comes from ecommerce, SaaS, and B2B sites, and it disagrees with itself.
- Similarweb estimated an 11.4 percent conversion rate for ChatGPT-referred visits against 5.3 percent for organic search, while a 973-site ecommerce analysis found ChatGPT referrals converting below Google search.
- A Visibility Labs study of 94 ecommerce sites found ChatGPT traffic converting at 1.81 percent against 1.39 percent for non-branded organic search, a gap of about 31 percent.
- ChatGPT referrals were about 0.2 percent of sessions in the 973-site study, roughly 200 times smaller than Google organic, so conversion rate matters less than whether a practice is named at all.
What do the studies say about ChatGPT conversion?
The studies disagree. Similarweb estimated 11.4 percent conversion for ChatGPT-referred visits against 5.3 percent for organic search. A Seer Interactive B2B case reported 15.9 percent against 1.76 percent. A Visibility Labs study of 94 ecommerce sites reported 1.81 percent against 1.39 percent for non-branded organic.
A 973-site ecommerce analysis, covered by Search Engine Land and Digital Commerce 360, found ChatGPT referrals converting below Google search and below most traditional channels. Figures are as reported by those sources and were not independently verified by ClinicAds.
| Study | Sample type | ChatGPT | Google organic |
|---|---|---|---|
| Similarweb estimate | Mixed referral data | 11.4% | 5.3% |
| Seer Interactive | One B2B case | 15.9% | 1.76% |
| Visibility Labs | 94 ecommerce sites | 1.81% | 1.39% (non-branded) |
| 973-site analysis | Ecommerce, Aug 2024 to Jul 2025 | Below Google | Higher |
Why do the results conflict?
The results conflict because the studies measure different things. Sample size, industry, and the definition of a conversion all differ, and a high rate on a small sample can look dramatic. A B2B demo request and a completed ecommerce checkout are not the same event.
Plastic surgery adds a further difference. A consult request is a high-consideration action, and a patient who arrives from ChatGPT has often already read a comparison, which is a plausible reason for higher intent. That reasoning is a hypothesis, not a finding, and a practice should test it.
Does volume matter more than conversion rate?
Volume matters more for most practices today. In the 973-site study, ChatGPT referrals were about 0.2 percent of sessions, roughly 200 times smaller than Google organic. Another analysis found Google organic drove 27 times as many conversions as all large language models combined.
A higher conversion rate on a small base still produces few consults. The practical goal is to be named in answers, then to measure what those visits do, instead of choosing between channels.
- 0.2 percent: ChatGPT share of sessions in the 973-site study
- 200 times: Google organic volume relative to ChatGPT in the same study
- 27 times: Google organic conversions relative to all LLMs combined in one analysis
- 1.81 versus 1.39 percent: the narrowest published gap, favoring ChatGPT
What has ClinicAds seen in its own data?
ClinicAds has logged a small number of booked consults whose source was a ChatGPT referral. That count is too small to compute a conversion rate and too small to support a claim in either direction. No client details are published here.
The observation worth stating is attribution. Referral sources are often missing: a patient who asks ChatGPT, then searches the practice name, appears as direct or branded organic traffic. Any rate computed from referrer data alone is likely an undercount.
How should a surgeon measure it?
A surgeon should add a required intake question, how did you first hear about us, with ChatGPT or AI assistant as an option, then compare consult-to-surgery rates by answer over six months. Self-reported source captures the patients that analytics misses.
Pair the intake answer with GA4 referrer data and a monthly prompt log of which practices AI answers name. Compare booked-consult rate and consult-to-surgery rate, not form fills, because the patients who matter are the ones who book a procedure.
- Add an intake question with AI assistant as a listed source
- Tag chatgpt.com, perplexity.ai, and gemini referrers in GA4
- Track consult-to-surgery rate by source, not only form fills
- Wait for at least 30 consults per source before reading a rate
Should a practice change its budget because of this?
No. The data does not justify moving spend on conversion rate alone. ClinicAds plans surgical paid media at $80 to $150 per booked consult and 5 to 10x return on $5,000 to $10,000 a month, agency averages, not guarantees, and AEO work sits beside it. The [plastic surgery marketing program](/surgery) covers both.
Do ChatGPT visitors convert better than Google visitors?
It depends on the study. Similarweb and Visibility Labs reported higher rates for ChatGPT, while a 973-site ecommerce analysis found lower. None covered plastic surgery.
Is there a study of ChatGPT-referred plastic surgery patients?
None was found while writing this post. A practice should measure it with an intake source question and consult-to-surgery tracking.
Why might ChatGPT referral data undercount patients?
Patients often ask ChatGPT and then search the practice name, so the visit is logged as direct or branded organic traffic instead of a ChatGPT referral.