Brenda J. Ernst

Internal Medicine, Oncology

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Brenda J. Ernst, MD, is a medical oncologist at Mayo Clinic and specializes in treating breast and gynecologic cancers and high-risk assessment. Dr. Ernst holds certifications in patient safety and quality improvement by the Institute for Healthcare Improvement and Genomic Cancer Risk Assessment. She is board certified in internal medicine and medical oncology by the American Board of Internal Medicine. Dr. Ernst participates in community outreach to underserved populations and serves on the Phoenix Indian Medical Center Cancer Team. Dr. Ernst’s research interests are in women’s cancers, circulating tumor DNA, and improving the delivery of equitable care through clinical trial access and development.

U.S. News & World Report ranks Mayo Clinic #1 hospital in Arizona.

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Mayo Clinic Arizona

5777 E Mayo Blvd


(480) 955-0693

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