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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

David Rosenthal, MD Private Practice

David Rosenthal, MD, is an adult, adolescent, and child psychiatrist in private practice in Boulder, Colorado. He is an adjunct professor in the Graduate School of Social Work at the University of Denver, where he teaches courses on psychopharmacology.

Rosenthal practiced psychiatry in various settings in California for many years and treated thousands of patients with ADHD, anxiety, and mood disorders before coauthoring two books on ADHD: ADHD: A Survival Guide for Parents and Teachers (Hope Press/2007) and Teaching Young Children With ADHD: Successful Strategies and Practical Interventions for PreK-3 (Corwin Press/2007). He also has written articles on ADHD and regularly speaks at state and national conferences on ADHD.

Rosenthal earned his medical degree at the University of Iowa School of Medicine in 1986, and completed his residency in adult psychiatry and fellowship training in child and adolescent psychiatry at the University of California, Davis, Medical Center.