Dr. Yoonas is a Stanford-trained, board-certified psychiatrist specializing in adult ADHD. Based in Los Altos, he provides comprehensive evaluation and treatment for high-functioning adults across the San Francisco Bay Area.


Dr. Yoonas is a Stanford-trained, board-certified psychiatrist with over 15 years of experience treating Adult ADHD

What treatment focuses on:

Treatment is focused, practical, and tailored to how ADHD shows up in real life:

Clarity
Understanding how ADHD is actually affecting your day-to-day

Focus & Execution
Improving attention, follow-through, and consistency

Performance
Helping you function at a higher level—without burnout

Sustainability
Building systems that work long-term, not just short-term fixes

Comprehensive

ADHD often overlaps with anxiety, burnout, and sleep disruption— factors that are also evaluated & addressed