Send us a text Sarah Davis MD is a board certified family medicine physician. She launched her concierge medical practice in Dallas almost 20 years ago, the first of its kind in the area. She has built up a very successful practice using this model, which many have emulated. In 2020 as the pandemic was raging she wanted to find a way to screen patients for COVID in a simple cost effective way. She had witnessed that very few of her COVID patients h...