Tier 1  –  Highest compatibility, likely support.

1. Facebook* ✔️
2. Google ✔️
3. Yelp ✔️

* While we can scrape reviews from Facebook, they do not make all their reviews publicly available.

Tier 2 – More complex compatibility, probable support.

1. Capterra ✔️
2. Healthgrades ✔️
3. RateMDs ✔️
4. Sitejabber ✔️
5. Vitals ✔️
6. WebMD ✔️
7. ZocDoc ✔️