Rebirth of the Celestial Miracle Doctor

He is skilled in medicine, using herbs to produce immediate effects with just one needle; in martial arts, his punches and kicks are fierce and invincible; in wealth, his worth is unparalleled at a hundred billion. Extremely proud!
A young master from the ancient martial continent, he unexpectedly transits into the body of a useless person in a noble family, nearly losing his life!
How does he turn danger into safety, master the city, and cultivate to reach the pinnacle, dominating both worlds?