The hospital, owned by Nashville, Tennessee-based HCA Healthcare Inc., bought the property from the Vaughn Family Trust in December.
The new building is expected to be completed in the first quarter of 2025.
One Health Medical Centers has proposed a two-story medical office of 21,670 square feet, including patient exam and treatment rooms, as well as imaging, physical therapy and dentistry.
SageStone will develop the three-story Palms of Plantation with 84 assisted living units and 27 memory care units, along with a host of amenities.
Constructed in 2003, the building is 93% leased.