Roshanak Kavian
Co-Founder and CEO of Indigo Mars, a Los Angeles marketing agency.

This is the fourth real test in this series, and it completes a genuine comparison: personal injury lawyers and dentists, each tested at both Santa Monica and city-wide scope. Six practices came back for "best dentist in Los Angeles," along with individually cited dentists reaching review counts well beyond anything seen in the Santa Monica-scoped version of this same question.
The Most Explicit Statistical Reasoning We've Seen Yet
This response went further than any of the previous three tests in reasoning about what a rating actually means. It stated directly: "A 5.0 from 80 reviews and a 4.9 from 900 reviews tell you different things." This is more sophisticated than the review-count floor noted in the Santa Monica dentist test — it's not just flagging low review counts as suspect, it's explicitly comparing what different rating-and-volume combinations actually signal, and recommending weighing both together rather than either alone.
A Genuinely Wider Geographic Spread Than the Lawyer Test
The dentists in this result spread across six distinct sub-areas — West Hollywood/Beverly Grove, Larchmont Village, Playa Vista, Miracle Mile/Wilshire, Downtown LA, and Beverly Grove/Miracle Mile again — several of which never appeared in the personal injury lawyer version of this same city-wide test. Personal injury firms clustered heavily around a handful of major corridors like Wilshire Blvd; dental practices spread across a noticeably wider, more residential set of neighborhoods. The underlying pattern — every business tied to a specific sub-area — held in both, but which specific areas actually surfaced differed by industry.
The Review-Volume Ceiling Goes Much Higher at City Scale
One individually cited dentist, Dr. Arthur A. Kezian, reached 4.99 stars across 1,386 reviews — a volume well beyond anything in the Santa Monica-scoped dentist test, where the highest count seen was under 900. This mirrors the same pattern found in the lawyer comparison: zooming out to city-wide scope doesn't just add more competitors, it surfaces genuinely bigger, more heavily-reviewed practices that a neighborhood-scoped search simply doesn't have in its pool.
Confirming the Pattern: Location Becomes Its Own Organizing Axis
The needs-based table structure from the Santa Monica test reappeared here, but with an addition: alongside service-based rows like cosmetic work and implants, this city-wide version added rows organized purely by geography — "Downtown LA" and "West LA / Westside" each got their own row with practices matched specifically to that area. At city scale, location itself becomes a genuine organizing dimension, not just a detail attached to each listing.
What Four Real Tests Now Show, Together
Across two industries and two scopes, several things held consistently: every business got tied to a specific sub-area regardless of query scope, a strong rating functioned as a floor rather than the actual differentiator, and third-party directories and review language did real, visible work in the response. What changed by scope was the caliber of credential being cited — trial experience and very large review volumes became more prominent city-wide than they did at the neighborhood level.
Where to Go From Here
This connects directly to How Dentists Get Recommended by AI Search, the neighborhood-scoped comparison in We Asked ChatGPT for the Best Dentist in Santa Monica, and the parallel industry comparison in We Asked ChatGPT for the Best Personal Injury Lawyer in Los Angeles.
The same standout attorney reappeared in a Beverly Hills-specific version of this test — see We Asked ChatGPT for the Best Personal Injury Lawyer in Beverly Hills.
Curious how your own practice shows up at both the neighborhood and city-wide level? Get in touch and we'll help you find out.
