More than half of American adults who carry a current diagnosis of attention-deficit/hyperactivity disorder did not receive that diagnosis until adulthood. Federal survey data published by the Centers for Disease Control and Prevention found that 55.9 percent of adults with a current ADHD diagnosis were diagnosed at age 18 or older, a pattern that Resilience Psychiatry says it encounters routinely in adult evaluations at its East Setauket, New York practice.

The same analysis estimated that 15.5 million U.S. adults, or 6.0 percent of the adult population, had a current ADHD diagnosis. The figures come from the National Center for Health Statistics Rapid Surveys System, fielded in October and November 2023, and were published in the CDC's Morbidity and Mortality Weekly Report on October 10, 2024.

A substantial share of adults carrying the diagnosis today were not identified as children. Many moved through school, early careers, and often parenthood without a clinical explanation for difficulties they had learned to absorb privately.

"The people who come to us in their 30s or 40s are almost never discovering a new problem," said Dr. Ricardo Caceda, MD, PhD, of Resilience Psychiatry. "They are finally getting a name for something they have been compensating for since they were nine. Often the most useful part of an evaluation is not the label. It is that they stop treating it as a character flaw."

Why So Many Diagnoses Arrive Decades Late

The clinical literature offers several explanations, and Resilience Psychiatry says its adult intake conversations tend to reflect all of them at once.

Presentation is one factor. The stereotype of ADHD as visible hyperactivity in a young boy captures only part of how the condition appears. Adults who present with predominantly inattentive features, difficulty sustaining focus on non-preferred tasks, chronic disorganization, trouble with time estimation, may never have been disruptive enough to prompt a referral in elementary school.

Compensation is another. Intelligence, structure, and supportive families can mask functional impairment for years. The masking often holds until external scaffolding disappears, which is why the transition to college, the arrival of a first child, or a promotion into a role with less supervision are such frequent triggers for a first evaluation.

Co-occurring conditions complicate the picture further. Anxiety and depression are common among adults with unrecognized ADHD, and because those conditions are more familiar to primary care, they are often the ones identified and treated first. Treating the anxiety without recognizing the attentional difficulty underneath can leave a person feeling that care is not quite landing.

Telehealth Has Become a Primary Route to ADHD Care

The CDC data also documents how significantly the delivery of ADHD care has changed. Almost half of adults with ADHD, 46.0 percent, reported ever receiving telehealth services for the condition. Roughly one third, 30.5 percent, had used telehealth to obtain a prescription for ADHD medication at some point since March 2020.

That shift matters in a region like Suffolk County, where scheduling and travel are frequently the practical obstacles to psychiatric care. An adult managing a full-time job and a school pickup schedule may find a mid-afternoon appointment impossible in person and entirely feasible by video.

Resilience Psychiatry provides psychiatric care by telehealth to patients throughout New York State and, for patients located in Florida, through its Florida telehealth service area. The practice notes that telehealth is well suited to ongoing medication management and follow-up, and that some evaluations still benefit from an in-person visit depending on clinical circumstances.

"Telehealth removed a barrier that had nothing to do with the medicine," Caceda said. "It did not make the evaluation shorter or looser. A careful adult ADHD assessment takes the time it takes, whether the person is sitting in our office in East Setauket or at their kitchen table in Westchester."

The Prescription Access Problem Is Real

One CDC finding deserves particular attention from patients and clinicians alike. Among adults with current ADHD who reported taking a prescription stimulant, 71.5 percent said they had difficulty getting that prescription filled during the previous 12 months because the medication was not available. The CDC notes that this subgroup represents roughly one third of adults with current ADHD, and the estimate is based on a small number of survey respondents.

For a person whose treatment plan depends on consistent daily dosing, an unfilled prescription can mean days or weeks of interrupted treatment. Resilience Psychiatry says the disruptions patients describe most often involve work and school performance and mood.

Resilience Psychiatry advises patients who take stimulant medication to build shortage planning into their care rather than treating each gap as an emergency. Practical steps include confirming with a pharmacy several days before a refill is due rather than on the day it runs out, asking a prescriber in advance about clinically appropriate alternatives, and keeping the practice informed early when a fill fails rather than after a lapse has already begun.

What an Adult ADHD Evaluation Actually Involves

Because so much online content presents ADHD screening as a short questionnaire, Resilience Psychiatry says it spends meaningful time setting expectations about what a diagnostic evaluation requires.

A thorough adult assessment generally includes a developmental history reaching back to childhood, because the DSM-5-TR criteria for ADHD require that several symptoms be present before age 12 even when they were never documented at the time. It includes a review of functioning across more than one setting, since difficulty confined to a single stressful job points somewhere different than difficulty that has followed a person across every environment they have occupied.

It also includes deliberate consideration of what else could account for the presentation. Sleep disorders, thyroid dysfunction, anxiety, mood disorders, substance use, and the ordinary cognitive effects of chronic stress can all produce attentional complaints. An evaluation that does not rule these in or out is not complete.

"An online screener is a reasonable prompt to book an appointment," Caceda said. "It is not an assessment, and treating it as one is how people end up on the wrong treatment for two years."

The practice does not diagnose or make treatment recommendations outside of a clinical encounter, and encourages anyone weighing these questions to speak with a psychiatrist rather than self-assess.

The September Pattern

Resilience Psychiatry notes that inquiries about adult attention concerns rise as the academic year begins, and that the reason is usually structural rather than seasonal.

September restores schedules, deadlines, and administrative load simultaneously. Parents who have spent the summer with a looser routine encounter forms, calendars, and morning logistics all at once. Adults who found summer manageable discover that the fall version of their life requires an executive function bandwidth they do not reliably have. For many, watching a child struggle with the same organizational demands prompts a recognition about their own history.

That recognition is frequently how an adult evaluation begins: not with the adult, but with a pediatric appointment where a parent hears a description of their child and recognizes themselves in it.

Treatment Is Broader Than Medication

Resilience Psychiatry emphasizes that medication, while often an effective component of ADHD treatment, is one part of a plan rather than the whole of it.

Treatment guidelines and clinical practice commonly combine pharmacologic treatment with skills-focused psychotherapy addressing organization, planning, and emotional regulation, along with environmental and workplace adjustments. Treating co-occurring anxiety or depression is frequently necessary before attentional gains become durable.

For most adults, ADHD is an ongoing condition rather than a time-limited episode, though symptoms and their functional impact can change substantially over a lifetime and some adults experience meaningful remission. Resilience Psychiatry frames the goal of treatment as sustained day-to-day functioning.

Access to Psychiatric Care in New York

Resilience Psychiatry is an outpatient psychiatric practice serving adults, adolescents, and children from its East Setauket office and by telehealth across New York State. Clinicians at the practice provide psychiatric evaluation, medication management, and psychotherapy, with bilingual English and Spanish care available.

Adults who suspect that longstanding attention or organization difficulties may warrant evaluation can learn more about the practice's approach to assessment and treatment through Resilience Psychiatry's ADHD care information, or by contacting the practice directly to schedule a consultation.

If you are in crisis, call or text 988.

About Resilience Psychiatry

Resilience Psychiatry is an outpatient psychiatric practice based in East Setauket, New York, providing evidence-based care for anxiety, depression, ADHD, and related conditions for children, adolescents, and adults. The practice offers psychiatric evaluation, medication management, and psychotherapy, both in person on Long Island and by telehealth throughout New York State, with a Florida telehealth service area for patients located there. Care is available in English and Spanish. Resilience Psychiatry emphasizes integrated treatment in which psychiatric and psychotherapeutic care are coordinated rather than fragmented across providers. This practice is not an emergency service. If you or someone you love is in danger, call or text 988 or call 911. For more information, visit resilience-psychiatry.com.

Contact Information:

Resilience Psychiatry

46 NY-25A #4
Setauket- East Setauket, New York 11733
United States

Dr. Ricardo Cáceda, MD, PhD
+1-631-371-4844
https://resilience-psychiatry.com