L. Iri Kupferwasser, M.D., FACC, FESC. L. Iri Kupferwasser, MD, holds privileges in various hospitals in the San Fernando Valley as well as in Cedars-Sinai Medical Center.His main expertise include clinical and consultative cardiology and vascular medicine, cardiac interventions, cardiac imaging, lipid lowering, congestive heart failure and preventive cardiology.Munaf Shamji, M.D., FACC‧Contact‧Our Locations‧Conditions & Services‧Patient Information.