Looks like first come first serve at the Cite Soleil dock. "The medical staff of the hospital ship will begin seeing dental patients and patients with general medical needs on August 19 from 08:00 am to 4:30 p.m. at Varreux Terminal, Varreux, Cite Soleil. Consultations will end on August 28.
Appointments are through Dr. Emily Cole at the Admiral Killick Coast guard base near the Route de Rail bypass of Carrefour. This is for more serious conditions, surgeries, etc
You can contact Dr. Emily Cole at the Admiral Killick Coast Guard base near the Route de Rail bypass of Carrefour to see if she knows. Her contact info is: 4411-5162 OR firstname.lastname@example.org
ALSO another group ready to help: