Az Big Media will be profiling one of the Most Influential Women in Arizona for 2025 each day leading up to the celebratory dinner on August 21, 2025. Today, meet Tara Ostrom, MD, senior medical director for Optum Arizona .

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Tara Ostrom, MD, Optum Arizona

Background: With more than 20 years in internal medicine, Dr. Ostrom leads 34 clinics statewide for Optum Arizona, driving significant improvements in patient outcomes and clinical efficiencies. Board-certified in internal medicine since 1999, Dr. Ostrom attended Arizona State University, graduating Summa Cum Laude and earning degrees in chemistry and psychology.

Source of pride: “The professional accomplishment I’m most proud of is leading the clinician adoption of a n

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