Riverside, CalifMedical Doctor/Internal Medicine at Riverside Medi... Past: Medical Doctor/Pulmonary Diseases at Richard Frankenstein MD Richard Frankenstein MD, FACP, practices Internal Medicine at Riverside Medical Clinic, Riverside, California. Previously specialized in Pulmonary Diseases and... Richard Frankenstein MD, FACP, practices Internal Medicine at Riverside Medical Clinic, Riverside, California. Previously specialized in Pulmonary Diseases and Critical Care in Garden Grove, California. From 2007-2008, Dr Frankenstein was President, California Medical Association, the professional...