Melissa S. Thomas, FNP

Jennifer E. Marfori is a physician specializing in infectious diseases in Portland, OR. Dr. Marfori is a graduate of the Medical College of the Virginia School of Medicine. She completed her infectious disease fellowship at Oregon Health Sciences University. Board Certifications: Infectious Disease Medicine and Internal Medicine.

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.

Dr. Kristen P. Massimino is a board-certified surgical oncologist in Portland, OR who specializes in the treatment of breast cancer. Her clinical practice is focused on the multidisciplinary care of breast cancer patients. She is a clinical researcher interested in improving the quality of care and experience for cancer patients.