Home/ Providers/ Joanna Diel-Martin, FNP Berkeley Berkeley University Ave Office - 888-663-6331 Education: UCSF Sees all ages About Joanna Coming soon! Berkeley University Ave Office 2145 University Ave Berkeley , CA 94704 admin@onemedical.com 888-663-6331 Appointments Today 10:00AM 60 min Book 11:00AM 25 min Book 11:45AM 60 min Book Tomorrow 10:00AM 60 min Book Book online today Schedule an appointment, online or in-app, today. Become a One Medical member now. Sign up to book