ADHD

ADHD Assessments

Have you felt different?

ADHD Facts

Undiagnosed ADHD can be detrimental to mental health. Inattentiveness is not laziness, lack of motivation or incompetence. Hyperactivity is not insensitivity or self-centeredness. Understanding how your brain works allows necessary accommodation, personal growth and a kinder inner voice.

ADHD symptoms often feel like stress, anxiety and frustration about not following through. You are, however, not alone. 6.2% of adults in the US live with ADHD. 56% of adults with ADHD, lived with undiagnosed ADHD through adolescence, only receiving their diagnoses in adulthood. Advances in research and assessment methods now make it possible to accurately diagnose those who have flown under the radar, providing clarity and support with a condition that impacts all areas of your life.

We provide the highest quality clinical assessments, considering all possible contributing factors and the impact of undiagnosed ADHD on your development.

Hand holding a sticky note with 'ADHD' written in colorful letters.

Why Adult Seek ADHD Assessment

1. Symptoms were masked by intelligence, structure, or support

Many adults with ADHD did “well enough” in childhood:

  • High intelligence, strong memory, or creativity compensated for attention issues
  • Parents, teachers, or routines provided external structure
  • School demands didn’t yet exceed coping capacity

Once adult life removes structure (college, work, parenting), symptoms become unmanageable—and finally visible.

2. ADHD stereotypes focused on hyperactive boys For decades, ADHD was narrowly defined as:

  • Young
  • Male
  • Physically hyperactive

Adults—especially women, inattentive types, and high-masking individuals— were overlooked. Many were mislabeled as:

  • Lazy
  • Anxious
  • Depressed
  • “Not trying hard enough”

They often seek assessment only after learning that ADHD can look very different in adults.

3. Symptoms were misattributed to personality or mental health

Common adult ADHD traits are often misinterpreted as:

  • Anxiety (constant overwhelm, racing thoughts)
  • Depression (burnout from chronic effort)
  • Low self-esteem (years of perceived failure)
  • Character flaws (“disorganized,” “irresponsible”) Adults may pursue assessment only after years of ineffective treatment for these secondary issues.

4. Adult responsibilities expose executive function deficits

ADHD often becomes unmistakable when life requires:

  • Long-term planning
  • Self-directed work
  • Time management without supervision
  • Balancing work, relationships, finances, and health

Many adults say, “I was coping… until I wasn’t.” The assessment is triggered by burnout, job instability, or relationship strain.

5. Growing awareness and reduced stigma Recent changes have made adult assessment more likely:

  • Increased public education and social media awareness
  • Better diagnostic criteria for adults
  • Seeing themselves in others’ stories
  • Greater acceptance of neurodiversity

Many adults seek assessment after a child, partner, or colleague is diagnosed— and it suddenly clicks.

Our Process

Step 1: Contact Our Care Coordinator
Step 2: Complete Pre-Assessment
Step 3: Meet With Dr. Nieuwenhuizen (2-4 hours)
Step 4: Feedback.

Famous People with ADHD

ADHD poses challenges and opportunities. If managed effectively you can be very successful.

Top 7 Famous Actors/actresses Diagnosed With ADHD

7- Zooey Deschanel

Zooey Deschanel is famous actress who has demonstrated that living with ADHD may not be that difficult. Although she is not using any ADHD treatment, she is proudly overcoming Attention Deficit Hyperactivity Disorder with her own methods by doing craft projects on Hello Giggles.

Close-up portrait of a young woman with blue eyes and dark hair.

6- Emma Watson

She is best known for her Hermione Granger role in “Harry Potter.” She was diagnosed with ADHD when she was a kid. Although she has never talked about her condition and that she has struggled with ADHD for a long time, many sources like ADDitude Magazine have confirmed that it’s true.
Close-up of a woman with light makeup and a serious expression.

5- Michelle Rodriguez

She has been one of the most open famous people with ADHD by willingly sharing the story of her condition in one of the interviews she had with Cosmopolitan Magazine. She didn’t let ADHD move ahead of overtake her career. In fact, she got to play important roles in famous TV series and movies such as Lost and Fast & Furious.
A young woman with long dark hair smiling, wearing a white tank top and a heart-shaped necklace.

4- Woody Harrelson

Another award-winning actor that we would like to mention among famous people with ADHD is Woody Harrelson. Obviously ADHD symptoms couldn’t beat his passion for becoming a great actor.
Portrait of a middle-aged man with a friendly expression and a close-cropped beard.

3- Ryan Gosling

He won not only hearts but also a Golden Globe. Ryan Gosling is another example of someone who struggled in school years because of his ADHD, but had the strength to turn it into an award-winning career in Hollywood.
Close-up of a man with light hair and beard wearing a striped suit jacket.

2- Will Smith

Not only an award-winning actor, but also a producer and rapper, Will Smith also claims that he has ADHD. Forbes ranked him among the “most bankable stars” so his success is more than evident despite his condition.

Smiling man with a neatly trimmed beard and short hair.

1- Jim Carrey

Award-winning actor Jim Carrey is also a celebrity who struggles with ADHD. The famous actor has actually won our hearts by bravely using all the symptoms to his advantage - in the characters he plays.

Portrait of a smiling man with dark hair in a dark setting.

Top 5 Famous Athletes Diagnosed With ADHD

5- Karina Smirnoff

Karina is a great example of athletes who have ADHD and who always strive for more. She has a variety of interests like dancing, ice skating, playing the piano, and gymnastics. She is using medication to stay focused and it seems to work for her. So far, she has become a five-time champion U.S., National Champion, World Trophy Champion.

Smiling woman with red lipstick and yellow blouse.

4- Simone Biles

She is an award-winning gymnast. She has won 19 world championships and Olympic gold medals despite her struggle with Attention Deficit Hyperactivity Disorder. She was diagnosed with ADHD when she was a child and has used medication ever since.

Focused gymnast preparing for a routine in a sparkling leotard.

3- Michael Phelps

When he was a child, his teacher told him that he wouldn’t be able to succeed in anything in life. But Michael didn’t surrender to his ADHD and became a great swimmer winning 23 Olympic gold medals.

Swimmer celebrating a victory with a fist pump at the poolside.

2- Terry Bradshaw

Focusing and standing still can be challenging for children and adults with ADHD. Terry was also experienced difficulties in school and decided to shift his concentration to sports. Eventually, he became a Super Bowl Champion.

Football player in black and yellow uniform running with the ball.

1- Michael Jordan

He is known as the greatest basketball player of all time. Yet, he was never completely content with what he had achieved and he always tried to discover himself, which is also considered a common symptom of ADHD.

Michael Jordan in a Bulls jersey during a basketball game.

Top 6 Famous Singers Diagnosed With ADHD

6- Loyle Carnel

Carnel is a believer that Attention Deficit Hyperactivity Disorder helped him in becoming a successful singer and musician. When he was young, he couldn’t figure out what the problem was, but after he was diagnosed with ADHD and dyslexia, he turned it into something positive for his life.

A man with curly hair wearing a white shirt stands against a light background with palm tree shadows.

5- Solange Knowles

Solange is one of the famous people who initially refused to believe that she had Attention Deficit Hyperactivity Disorder. Yet, she managed to become a successful, famous singer, songwriter, and artist. However, after becoming more aware of the symptoms, she claimed that many people in the industry may have ADHD.

Woman with voluminous curly hair and pink lipstick smiles at the camera.

4- Will.i.am

You may rogue l remember him as a member of the Black Eyed Peas. William is a great example of someone who can see ADHD’s positive sides. In an interview with the Mirror, he claims that this disorder helped him become successful in his music career by saying “For every obstacle, there’s some type of solution. So if you have ADHD it’s your passion point.”

Black and white portrait of a man with glasses and a leather jacket.

3- Adam Levine

Levine was diagnosed with ADHD when he was a child. Although he started medication, he still struggles with ADHD symptoms. Being the frontman of the famous Maroon 5 group, Adam proved that you can be a successful famous regardless of your ADHD condition.

Portrait of a smiling man with dark hair and beard.

2- Justin Timberlake

He is one of the most famous stars in the world. He managed to rock ADHD as he did rock your body. Although he doesn’t speak too much about how he succeeded to live with ADHD, in an interview with Collider he mentions his condition by saying “I have OCD mixed with ADD. You try living with that.”
 
Portrait of a smiling man in a checkered shirt and blazer.

1- John Lennon

The singer, songwriter, and peace activist John Lennon is also believed to have had Attention Deficit Hyperactivity Disorder. He was having so much difficulty in class that he dropped out of school. However, he successfully managed to live with ADHD and became one of the most famous people in the world.
Close-up of a man with glasses and long hair.

Top 4 Famous Authors Diagnosed With ADHD

4- Dav Pilkey

The famous writer and illustrator Dav Pilkey is known for his Captain Underpants book series. He was punished at school several times because of his acting out that was a result of his ADHD. He started creating the famous book series during a detention time at school.
Man drawing a cartoon character on a large paper pad.

3- Agatha Christie

Agatha Christie is one of the most famous writers of all time. Her books are translated in 103 different languages and four billion copies are sold in total. She had not been diagnosed with ADHD in her lifetime but it is commonly known that she had difficulties due to dysgraphia.
Black and white portrait of a man sitting with a book in hand.

2- George Bernard Shaw

The writer of more than 100 plays, Shaw deeply criticized the existing education system of his time . A lot of people believe Shaw had ADHD that prevented him from accepting the education system as it was at the time.
Black and white portrait of an elderly man with white hair and beard.

1- Jules Verne

The father of the science fiction genre and a huge inspiration for the steampunk stream, Verne had a hard time in school He was unable to focus on the school tasks and projects but he was into writing from an early age. Although he was not diagnosed with ADHD, it is commonly accepted today that he probably suffered from this condition.
Black and white portrait of an elderly man with white hair and beard.

Top 6 Famous Historical Figures Diagnosed With ADHD

6- Walt Disney

Walt Disney, the creator of Mickey Mouse, one of the first and biggest cults of the animation world, is also on the list of those who struggled with ADHD especially due to the difficulties he experienced during his school years.
Black and white photo of Walt Disney with a Mickey Mouse puppet.

5- Wolfgang Amadeus Mozart

Mozart, the genius of classical music and one of the biggest composers of the 18th century, is among those who struggled with ADHD according to the US National Library of Medicine National Institutes of Health.
Portrait of Wolfgang Amadeus Mozart in 18th-century attire.

4- Alexander Graham Bell

Bell, the inventor of the phone, gained his innovative and problem-solving personality thanks to his struggle with ADHD even though he had serious problems during his school years.
Portrait of a distinguished elderly man with white hair and beard.

3- Thomas Edison

The man who brought light to our lives, the award-winning American inventor Edison, is also believed to have had ADHD. His hyperactivity led him to the urge to always learn and discover something new.
Black and white portrait of Thomas Edison in a suit and bow tie.

2- Albert Einstein

Einstein is one of the most important physicists of the 20th century. He was known for his carelessness and forgetfulness. But Einstein is another award-winning, famous person to prove that it is possible to be successful and productive with ADHD.
Black and white portrait of Albert Einstein with thoughtful expression.

1- Leonardo Da Vinci

Da Vinci is another instance of a famous person that lived with ADHD. The difficulty of focusing on one single thing due to ADHD caused him to be interested in many different subjects. He was an artist, sculptor, inventor, scientist, musician, architect, anatomist, astronomer, and a mathematician.
Portrait of an elderly man with a long white beard and solemn expression.