Here is the full list of all 18 Heart's Medicine - Time to Heal achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Buy all items for the new wing.
Get all other trophies!
Complete all Challenges and Bonus Challenges!
Cheer up 50 people with Princess!
Fill up every station, and have at least one patient at the checkout desk!
Buy all the upgrades!
Achieve 3 stars on each day!
Find every Oliver!
Complete your shift at the O.R.!
Score 3 or more hearts in all minigames!
Complete your shift at the Radiology Department!
Walk 40 miles!
Complete your shift at the Physiotherapy Department!
Complete your shift at the E.R.!
Complete your shift at the Pharmacy!
Score 750 Quick Bonuses!
Complete your shift at the Ward!
Have an item already on your tray before a patient asks for it.