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Dr. Burton’s specialties include male and female voiding dysfunction, incontinence, benign prostatic hyperplasia, bladder neck obstruction, bladder and uterovaginal prolapse, rectocele, female genitourinary reconstruction, urethral diverticulum and urinary tract fistula.
Luke Chen, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach and Irvine Sand Canyon locations. Dr. Chen’s research has explored ways to improve treatment for prostate cancer and other malignancies.
Joshua G. Cohen, M.D., F.A.C.O.G., F.A.C.S., is a board-certified gynecologic oncologist dedicated to offering his patients in Orange County empathy and excellence in clinical care.
Sudarsan Vishnu Kollimuttathuillam, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach and Irvine Sand Canyon locations. Dr. Kollimuttathuillan places a priority on offering his patients access to innovative treatments and clinical trial options.
Tiffany Loh, M.D., strives to address patients’ concerns in a caring, compassionate way. She knows that every patient is a unique individual, so she puts a priority on listening carefully and working with patients to ensure that their needs are met.
Danny Nguyen, M.D., is a medical oncologist and hematologist at City of Hope's Huntington Beach and Irvine Sand Canyon locations. Dr. Nguyen is also an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research.
Philip G. Pearson, M.D., is a urologic surgeon at City of Hope's community practice site in Pasadena, California.
Roger Satterthwaite, M.D., is a urologic surgeon specializing in surgery for prostate, kidney, bladder and testicular cancers.
Nishan Tchekmedyian, M.D., is a hematologist and medical oncologist at City of Hope's Huntington Beach, Irvine Sand Canyon, and Newport Beach Lido locations.
Nerses Simon Tchekmedyian, M.D., FACP, is a medical oncologist and hematologist at City of Hope's Huntington Beach, Irvine Sand Canyon, Long Beach Elm locations. Dr. Tchekmedyian is also a clinical professor in the Department of Medical Oncology & Therapeutics Research.
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