Healthgrades is the largest doctor rating platform in the US, indexing over 1 million physicians with patient reviews and clinical outcomes data. RateMDs operates in both the US and Canada and focuses exclusively on physician reviews, making it particularly relevant for Canadian practitioners. Vitals and Zocdoc also maintain significant databases, with Zocdoc combining ratings with appointment booking functionality. Google Business Profile has become increasingly important for medical practices because it controls the local pack results where most patients start their search. A doctor's Google rating appears immediately in search results and Maps, often carrying more weight than specialty review sites. Yelp also indexes medical professionals, though healthcare reviews face stricter filtering than other business categories. For Canadian doctors specifically, RateMDs tends to have better coverage in cities like Ottawa, Toronto, and Montreal than US-centric platforms. The College of Physicians and Surgeons in each province maintains directories, but these typically don't include patient ratings, just credentials and disciplinary records. From a web design and SEO perspective, doctors should claim and optimize profiles on Google Business first, then RateMDs, then consider Healthgrades if they serve cross-border patients. Most patients check 2-3 sources before booking, so having consistent information across platforms matters more than focusing on a single site. The challenge with doctor rating sites is review volume. A family physician in a small practice might accumulate 10-15 Google reviews over several years, while a walk-in clinic could get that monthly. Low sample sizes make individual negative reviews disproportionately damaging. We typically advise medical clients to implement a post-visit email sequence requesting Google reviews from satisfied patients rather than trying to game specialty platforms. One practical issue: doctors can't always respond to reviews due to patient privacy rules, unlike restaurants or retailers. This makes proactive review generation more critical than damage control. The platforms understand this and tend to be responsive to removal requests for reviews that violate PIPEDA or discuss medical details.