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Leslie Klein, MD

Primary Specialty
Hematology & Medical Oncology

Dr. Leslie Klein joined Ironwood Cancer & Research Centers in 2015.  She is triple-board certified in Oncology, Hematology, and Internal Medicine.  She completed medical school at University of Nebraska, internal medicine residency at Harbor-UCLA, and hematology/oncology fellowship at UC Irvine. Dr. Klein integrates next-generation cancer treatment including targeted and immune therapies.

Dr. Klein specializes in breast cancer, lung cancer, gastrointestinal cancers, melanoma, lymphoma, and blood disorders. Her accomplished research background includes authoring a breast cancer clinical trial. She is known for her compassionate, upbeat personality. “I develop relationships with my patients and treat them as I would my own loved ones.” She enjoys travel with her husband, daughter, and dog.

Medical Education

Doctor of Medicine
University of Nebraska Medical Center

University of California, Irvine, Orange, CA
Hematology & Medical Oncology

Board Certification
Board Certified in Hematology and Medical Oncology

Click here to see Dr. Leslie Klein’s complete curriculum vitae.

Dr. Leslie Klein is fluent in English and Spanish sees patients for Medical Oncology and Hematology at our Scottsdale and Phoenix locations.