Included Health CEO Owen Tripp.Included HealthIncluded Health planned to go public in 2022 before the market slumped.Since then, it's been heads-down, reaching profitability and growing revenue.The healthcare IPO market appears poised to reopen later this year.Three years after Included Health hoped to go public and then decided to pull back its plans for an IPO, the healthcare startup says sales are up and it's profitable.Business Insider first…