John On-Shek, Lai M.D.Attending PhysicianInternal Medicine Education: University of Kansas School of MedicineMain Office:415-821-3304 Sutter Health 1580 Valencia St #606 San Francisco, CA 94110 Clinic Intersts:internal medicine and primary care.Certification: Board Certified in Internal Medicine Hospital Affiliations: California Pacific Medical Center Seton Medical Center St. Luke's Campus Additional Office: 1500 Southgate Ave Ste 207 Daly City, CA, 94015