Regan M Duffy, MD, MPH

Beads, peas, popcorn kernels – kids love sticking things up their noses. When something besides little fingers make their way north, or if your child experiences recurring ear infections or snoring, it may be time to see one of our specialists. Our pediatric otolaryngologists are trained to care for your child’s delicate ears, nose and throat.

Dr. Zheng Z. Topp is a board-certified hematologist-oncologist in Portland, OR. She has a special focus in the care of patients with breast cancer. Dr. Topp is dedicated to knowing her patients and their treatment goals and concerns. She hopes to empower her patients to make confident, informed care decisions in the face of challenging times. At Providence Cancer Institute, Dr. Topp joins an expert team of specialists with access to the newest innovations and clinical trials, in the goal to end cancer and provide the best possible care.

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