Office Location(s): Fairfax and Herndon

Other languages spoken: Spanish, Portuguese-Brazilian

Heloisa Moser, MD, FAAP is a dedicated pediatrician who is passionate about providing comprehensive and compassionate care to children and their families. She sees patients at the Virginia Pediatric Group locations in Herndon and Fairfax, Virginia. 

Born and raised in Brazil, Dr. Moser knew from an early age that she wanted to become a pediatrician. After traveling the world and exploring her passion for adventure, she completed medical school in Brazil and went on to finish her pediatric residency at St. Joseph's University Medical Center in New Jersey.

Dr. Moser is particularly passionate about mental health and its impact on the development of children and adolescents. She strives to create a warm, supportive environment that fosters meaningful connections with families. Her focus is to ensure that every child she cares for can thrive, grow, and prepare for a healthy future—ready to become resilient adults. For Dr. Moser, it is both a privilege and a joy to be part of this foundational process.

In her free time, Dr. Moser enjoys traveling, exploring new cultures, and listening to audiobooks. She cherishes every chance to be near the beach, embracing her Brazilian roots as someone raised on an island. Dr. Moser currently lives in Fairfax with her husband and their two sons, who are the light of her life.