Ugh, this pediatrician doesn’t understand ADHD. A hallmark of ADHD is that an individual can super focus on things of interest and things that are stimulating, but not force focus otherwise. I advise getting a true ADHD evaluation from a psychologist versed in ADHD.
Here’s a symptom checker:
And an article explaining how individuals with ADHD can focus on things of interest.
ADDitude Community Moderator, Parenting ADHD Coach, Podcaster & Author, Mom to teen w/ ADHD, LDs, and autism