Landmark Health Share: Health Services Landmark Health Visit Website 395 Oyster Point Blvd. Suite 512 South San Francisco, CA (858) 649-9249 About Map About Landmark is a medical provider group specialized in caring for complex, chronic patients. Our doctors and providers drive to patients where they live, bringing care through house calls. What's Nearby? Distance: 5 10 15 20 25 50 mi.