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ADHD Online, operated by Mentavi Health, is the diagnosis-first option in our ADHD telehealth roster: a $199 asynchronous evaluation reviewed by a licensed psychologist, available in all 50 states, followed by telehealth medication management – including stimulant prescriptions – in roughly 40 states where state law permits. That order of operations is the whole pitch. Most ADHD telehealth platforms bundle assessment and treatment into a subscription; ADHD Online sells the diagnosis itself as a standalone clinical service, one that has been validated in a peer-reviewed study and that you can take to any clinician you choose. We score it 8.9/10 and rank it #3 overall: the strongest diagnostic credibility in the category, weighed down by a genuinely poor consumer-review record that we unpack honestly below.
Regulatory note (verified June 2026): As of June 2026, DEA-registered telehealth providers can legally prescribe ADHD medications – including Schedule II stimulants like Adderall and Vyvanse – without a prior in-person visit, under temporary federal flexibilities extended through December 31, 2026. A permanent DEA rule is pending, and state laws and individual platform policies may be stricter.
What is ADHD Online (Mentavi Health)?
ADHD Online launched in 2018 in Grand Rapids, Michigan, as an online ADHD diagnostic service. In 2023 the business reorganized under a successor entity, Mentavi, Inc., led by CEO Keith Brophy; the consumer-facing brand at adhdonline.com still operates as ADHD Online. The model has stayed consistent since the beginning: diagnosis first, treatment second, and the two are sold separately.
Two third-party signals set Mentavi apart from the rest of our ADHD roster. First, its diagnostic evaluation was validated in a peer-reviewed study published in the Journal of Clinical Psychiatry in October 2025 – a level of published scientific scrutiny no other provider we cover has subjected its assessment to. Second, ADHD Online is LegitScript-certified (seal #27426890), making it the only LegitScript-verified provider in our roster, and the company is BBB accredited. In a category where telehealth stimulant prescribing has drawn regulatory attention industry-wide, those are meaningful compliance markers, not decoration.
How the $199 assessment works
The diagnostic evaluation is asynchronous: you complete a structured psychological assessment online, on your own schedule, with no live appointment to book. A licensed psychologist then reviews your responses and issues a clinical determination, with results typically returned in about five days. The evaluation is available in all 50 states – broader reach than the treatment side of the business, and broader than most competitors offer for diagnosis.
What you receive is a formal diagnostic report. You can use it to continue into ADHD Online’s own medication-management program, or you can take it to your existing physician or psychiatrist as documentation. That portability is a real advantage: plenty of primary care doctors are willing to manage ADHD treatment but want a formal evaluation on file first, and a psychologist-reviewed, peer-review-validated report fits that need.
Here is the part you should internalize before paying: the evaluation is a clinical assessment, not a medication purchase. A licensed psychologist may conclude that your symptoms do not support an ADHD diagnosis, or that another condition better explains them. You still receive the report and the clinical judgment you paid for – that is the product. As we detail in the reputation section below, a large share of ADHD Online’s negative reviews come from customers who treated the $199 fee as the price of a prescription and then sought refunds when the outcome was a diagnosis they did not want, or no medication recommendation at all. If you go in understanding that an honest “no” is a legitimate result of an honest evaluation, you are the right customer for this service. If you would consider anything short of a stimulant prescription a failure, you are not.
Medication management and state limits
If your evaluation supports an ADHD diagnosis, ADHD Online offers telehealth medication management in roughly 40 states where state law permits. That includes stimulant medications, prescribed under the federal telehealth flexibilities described in the callout above. Treatment follows a structured cadence: a $199 initial medical visit with a prescribing clinician, a $175 check-in at the 30-day mark, and $175 quarterly follow-ups after that – a monitoring schedule consistent with responsible controlled-substance prescribing.
Two states are excluded outright: ADHD Online cannot prescribe stimulants in North Dakota or South Carolina, because state law there does not permit it via telehealth. Residents of those states can still complete the 50-state diagnostic evaluation and take the report to a local prescriber. And as always with controlled substances, whether any medication is prescribed – and which one – is the treating clinician’s decision, made case by case. No telehealth platform can promise a specific prescribing outcome, and you should be wary of any that implies otherwise.
Pricing: what ADHD Online costs in 2026
ADHD Online runs a cash-pay model with flat, published fees (verified on its site, June 2026):
| Service | Price | Notes |
|---|---|---|
| Diagnostic assessment | $199 one-time | Asynchronous, psychologist-reviewed; available in all 50 states |
| Initial medical visit | $199 | First treatment appointment with a prescribing clinician |
| 30-day check-in | $175 | Follow-up after starting or adjusting medication |
| Quarterly follow-ups | $175 per visit | Ongoing medication management |
Run the math on a typical first year of treatment – assessment, initial visit, 30-day check-in, then roughly three quarterly follow-ups – and you land near $1,100 in clinical fees, before the cost of the medication itself, which is separate. There is no subscription, which cuts both ways: you are not locked into a monthly bundle, but there is also no insurance billing, so every visit is out of pocket. If you only want the diagnosis, your total exposure is the $199 assessment, full stop.
Reputation and complaints
This is where the honest accounting matters. As of June 2026, ADHD Online holds a 2.3/5 rating on Trustpilot across 156 reviews, with roughly 60% of reviewers leaving one star. That is a weak score by any standard, and we are not going to talk around it.
Read the complaints, though, and a clear pattern emerges. The dominant theme is refund refusals from customers who paid for the evaluation, did not receive a medication recommendation – or received a result other than the ADHD diagnosis they expected – and wanted their $199 back. The second theme is slow or unsatisfying customer support when those disputes arise. What you largely do not find are complaints about the clinical quality of the evaluation itself, fabricated diagnoses, or unsafe prescribing.
Our read: a meaningful share of the one-star volume reflects an expectations mismatch baked into this category. An evaluation fee buys a psychologist’s professional judgment, and professional judgment sometimes says no – that is precisely what makes the assessment credible enough to publish in a peer-reviewed journal. A diagnostic service that said yes to everyone would have happier reviewers and zero clinical value. That said, Mentavi owns part of this problem too: clearer pre-purchase framing of possible outcomes and more responsive support would prevent many of these disputes from ever reaching a review site.
The other side of the ledger is unusually strong. We found no regulatory or legal actions against Mentavi or ADHD Online as of June 2026 – a clean record in a category where some competitors have faced serious scrutiny. Add LegitScript certification, BBB accreditation, and the published validation study, and you get an odd but legible profile: weak crowd-sourced sentiment, strong institutional and compliance credentials. We weight both, which is how a provider with a 2.3 Trustpilot score still earns an 8.9 from us on clinical legitimacy, transparency, and reach.
Who ADHD Online is best for
ADHD Online makes the most sense if the diagnosis itself is what you need. That includes adults who want a validated, psychologist-reviewed evaluation rather than a brief questionnaire; people whose own doctor is willing to manage treatment but requires formal documentation first; and residents of states that subscription-style competitors do not serve, since the assessment covers all 50 states. It also suits anyone who values third-party verification: if LegitScript certification and a peer-reviewed assessment matter to you, no one else in our roster matches that combination.
Who should look elsewhere
Skip ADHD Online if you live in North Dakota or South Carolina and want stimulant treatment through the same platform that diagnoses you – the evaluation works there, but prescribing does not. Look elsewhere if you want insurance-billed care, a single monthly subscription covering visits and support, or integrated therapy alongside medication. And to be blunt one final time: if you view $199 as the price of a prescription rather than the price of an answer, this is the wrong product, and you will likely end up among its one-star reviewers.
To see how ADHD Online stacks up against the rest of the field, compare ADHD telehealth providers side by side. And if you are still weighing whether remote evaluation is right for you at all, our guide to how online ADHD diagnosis works walks through what legitimate telehealth assessment looks like in 2026. Bottom line: ADHD Online is the most clinically credible diagnostic on our list, fairly priced for what it actually sells – just be certain you know what that is before you pay.