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About Us

Family Centered Patient Care

At Cornerstone Pediatrics, we understand that each child's family is their primary source of strength and support. For this reason, we recognize the perspectives and information provided by children and parents are essential components of high-quality clinical decision-making. 

Specialty Care

Cornerstone Pediatrics is committed to providing quality Pediatric Healthcare in Hermiston. Dr. Brennan is a pediatrician in Hermiston who specializes in meeting the complex, unique needs of children who are medically fragile, have ongoing chronic medical conditions or struggle with mental health issues. 


Our Pediatrician: Dr. Brennan

Dr. Brennan is the sole medical provider and owner of Cornerstone Pediatrics LLC. She received her medical degree from Texas College of Osteopathic Medicine in Fort Worth, Texas in 2010 and completed her pediatric residency training at Children's Medical Center of Dallas in 2013. When she is not in the clinic caring for your children, she enjoys spending time with her husband and 2 daughters.

Contact Us

Cornerstone Pediatrics

240 E. Gladys Ave., Suite 3, Hermiston, OR 97838

(541) 371-2340

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