Dr. John Paul Fruehauf, MD

Dr. John Fruehauf is an oncologist and internal medicine physician who brings over four decades of clinical expertise to cancer care. He earned his medical degree from Rush Medical College of Rush University Medical Center and completed his residency at the prestigious National Cancer Institute. Dr. Fruehauf speaks multiple languages including Chinese, English, Spanish, Tagalog, and Vietnamese, helping him connect with patients from diverse backgrounds.

Dr. Fruehauf practices at several respected medical centers including UCI Medical Center, College Hospital Costa Mesa, and MCN Health, with locations in Costa Mesa and Orange, California. He specializes in treating complex cancers such as bladder cancer, melanoma, and prostate cancer. His clinical expertise includes advanced cancer treatments like infusion therapy, chemotherapy, and intravenous chemotherapy protocols. Patients have given him an average rating of 4.0 for his compassionate care and clinical excellence.