California Mobile Physicians was founded by four emergency room physicians who continue to work in the field, keeping up-to-date on the latest practices and procedures as well as staying abreast of developing trends in the provision of emergency services.


Erik Gierahn
Undergraduate: University of Wisconsin, Madison, WI
Medical School: University of Wisconsin, Madison, WI
Residency in Emergency Medicine at King/Drew Medical Center, Los Angeles, CA

Scott Narimatsu
Undergraduate: University of Southern California, Los Angeles, CA
Medical School: Univeristy of Illinois, Peoria, IL
Residency in Emergency Medicine at King/Drew Medical Center, Los Angeles, CA

Katherine Au Hargraves
Undergraduate: University of California Los Angeles, Los Angeles, CA
Graduate: Univeristy of California Los Angeles, Los Angeles, CA
Medical School: University of California Los Angeles/Charles Drew Univeristy, Los Angeles, CA

Kristopher Rinehart
Undergraduate: University of California - Irvine, Irvine, CA
Medical School: St. Louis Univeristy, St. Louis, MO
Residency in Emergency Medicine at King/Drew Medical Center, Los Angeles, CA

Phone: 310-379-1516 Email: admin@californiamobilephysicians.com Address: 434 Manhattan Ave.; Hermosa Beach, CA 90254