HIGHLAND HOSPITAL AND CLINICS. 1411 East 31st Street Oakland, CA. 94602 Main Number: 510-437-4800 Appointments: 510-437-8500 Highland Hospital is served by AC Transit Bus Routes 62, 57, 58, and 11. To connect from BART, take BART to Lake Merritt or Fruitvale and transfer to AC Transit Route 62..