Plumb
C+

Doctor reviews & booking marketplace

Zocdoc

Independent

Marketplace Free to read Visit Zocdoc ↗

Handy for booking, but you only see doctors who pay, and the top ones paid more.

What it's really for A doctor-booking marketplace; you only see providers who pay to be listed and booked.

What our grade covers The grade on this page is about its appointment-verified patient reviews, not everything the site does.

High Scoring Confidence Checked against primary sources. We are confident in the facts and the grade here.

Follow the money

Every provider shown pays Zocdoc (per-booking fees plus an annual subscription), and providers who buy the "Sponsored Results" advertising product bid to appear above the organic results, so paying directly buys the most prominent placement, even though Zocdoc states sponsored status does not change a provider's rank within the organic marketplace listings.

Source →
Operating since
2007 (19 years) · source
What it costs you
Free to read The reviews are free to read.
How they make money
It charges healthcare providers to be listed and booked, via a per-booking fee (roughly $35 for primary care up to ~$110 for dentists) plus optional "Sponsored Results" ad placement that providers bid on per booking.
What they do
It runs an online marketplace where patients search for in-network doctors, read appointment-verified patient reviews, and book appointments.
What to watch for
It is not a complete or impartial "best doctors" guide: you only see providers who pay to be on Zocdoc, and the highlighted top listings are paid "Sponsored Results" ads rather than quality rankings.
Composite score
2.80 / 5.00 → grade C+

How the grade was reached

Independence · 30% weight 1 / 5

Does the site take money from the very entities it ranks? Pay-for-placement, vendor-funded data, and affiliate commissions all pull this down. The less the ranking can be bought, the higher the score.

Evidence basis · 30% weight 4 / 5

What is the ranking actually built on? Hands-on testing scores highest, then verified first-hand reviews, then opinion or popularity surveys and self-reported figures, then pay-to-rank, which scores lowest.

Method transparency · 20% weight 3 / 5

Is the methodology published, specific, and reproducible? Can a reader see how a given rank was reached, or is it a black box?

Conflict disclosure · 10% weight 4 / 5

Are commercial relationships, sponsorships, and affiliate arrangements disclosed clearly and near the rankings themselves, rather than buried?

Manipulation resistance · 10% weight 3 / 5

How hard is it to game? Controls against fake reviews, solicited reviews, and vendor gaming raise this; an open box anyone can stuff lowers it.

Evidence

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