Patient reviews placed Dr. Karlsberg at an average of 5.0 stars out of 5. In his practice, Dr. Karlsberg focuses on angina, heart stent placement, and atrial fibrillation. Anthem, Blue Cross/Blue Shield, and Blue Shield are among the insurance carriers that Dr. Karlsberg honors. After attending the University of California, San Francisco (UCSF), School of Medicine, Dr. Karlsberg completed his residency training at a hospital affiliated with the University of Colorado Denver. His distinctions include: Lifetime Achievement Award, Cardiovascular Research Foundation of Southern California and Board of Directors, California Chapter American College of Cardiology. In addition to English, Dr. Karlsberg (or staff) speaks Spanish and German. His professional affiliations include Heart Institute and Cedars-Sinai Health Associates.