Office Location(s): Fairfax

Karen O'Hara, NP, is a nationally-certified pediatric nurse practitioner who has been practicing pediatrics for over a decade in the Fairfax, Virginia, area. She is proud to partner with children and their families at Virginia Pediatric Group. 

Karen was born and raised in Virginia. She studied biochemistry at Virginia Institute of Technology and completed her Bachelor of Science in nursing with a pediatric focus at George Mason University. She then completed her Master of Science in Nursing-Pediatric Nurse Practitioner degree at the University of Maryland. Prior to joining Virginia Pediatric Group in 2008, Karen practiced pediatrics at Stanford University-affiliated Lucile Packard Children's Hospital. 

Karen is a devoted pediatric nurse practitioner who focuses on empowering and educating parents to be their child's best advocate. She places a strong emphasis on preventive medicine and the safety of children. Karen adores children and dedicates her lifelong career to making children healthier and live better lives. She resides in Alexandria, Virginia, with her three children.

Patient Reviews

“O'Hara is very real and takes an individualized approach to her patients, is eager to provide solutions. We feel that she cares about our son and children in general and goes the extra mile to ensure they receive thoughtful quality care.”
- Sharon P.

“Karen O’Hara is always knowledgeable and has great bedside manner. She came in with a lollipop which immediately won my toddler over. She answered all of my questions without making me feel rushed and has great tips from raising her own kids. I’d recommend her.”
- Mimi J.

“Karen O’Hara is absolutely fantastic. I love how personable she is and the time she spends with my son to make sure he has a thorough check-up! Amazing.”
- Gale O.

“We love nurse O Hara.”
- Andreia M.