We remain open to provide medically necessary, life-sustaining care. Please read our COVID-19 updates before coming in for an appointment. Our expert care team can now see patients through scheduled virtual appointments on a secure platform from the comfort and safety of your home.

Sharon Ondreyco, MD Sharon Ondreyco, MD

Sharon Ondreyco, MD

Medical Oncology & Hematology

Patient Portal


Glendale - Saguaro Cancer Center

Glendale - Saguaro Cancer Center

7200 W. Bell Rd. Bldg. A
Glendale, AZ 85308
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Call: 623-487-4822
Fax: 623-334-9881


10460 N. 92nd St. #402
Scottsdale, AZ 85258
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Call: 480-860-2540
Fax: 480-860-2536

Education & Credentials


Ohio State University

Medical School

Ohio State Medical School


University of Kansas Medical Center, Kansas City, KS


University of Kansas Medical Center, Kansas City, KS


University of Utah Medical Center, Salt Lake City, UT

Board Certification


Academic Honors & Professional Achievements

Vice Chief of Staff and Chief of Medicine at Maryvale Hospital
Named a top Breast Cancer Doctor in America, Redbook Magazine, 2001
Listed in “The Best Doctors for Women,” Ladies Home Journal, 2002 and 2008
Phoenix Magazine’s Top Docs, 2005 and 2009
Named to “Best Doctors in America” List, 2005-2006, 2009-2010
Guide to America’s Top Physicians, 2004, 2005 and 2006
Patients Choice Award Winner 2010


Founder of the Phoenix Oncology Society
Co-founding member of The Arizona Clinical Oncology Society 



In The Media

Arizona Oncology - The US Oncology Network