The Coastal Health Alliance’s small clinic in Stinson Beach, temporarily closed since July due to the departure of staff members, will reopen in March, said Steven Siegel, the nonprofit’s executive director. The two-day-a-week clinic served about 240 patients with around 100 visits per month. 

Dr. Rosalia Mendoza worked at the Stinson clinic since joining the alliance in 2015, but left last year, as did Dr. Eric Holmberg, who had worked in Point Reyes Station since…