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NeurologistCareCrystal Lake, IL · Woodstock, IL · Lake Geneva, WI

Patient Resources

Can a neurologist diagnose Alzheimer's disease?

Short answer

Yes. A neurologist diagnoses Alzheimer's disease by combining the history, a neurological examination, cognitive testing, laboratory studies, and brain imaging, with biomarker testing added when it is clinically appropriate.

Understanding this

There is no single test that stands alone. The diagnosis rests on the pattern of symptoms over time, the examination, and testing that both supports the diagnosis and excludes other causes.

Biomarker testing — blood-based, cerebrospinal fluid, or specialized imaging — can add information when the diagnosis is uncertain. Whether it is appropriate depends on the individual situation.

Symptoms and signs

  • Difficulty forming and retaining new memories
  • Repeating questions
  • Word-finding difficulty
  • Getting lost in familiar places
  • Difficulty with finances or medications

How it is evaluated

  • History and neurological examination
  • Cognitive and memory testing
  • Laboratory studies to exclude other contributors
  • MRI or CT of the brain when appropriate
  • Alzheimer's biomarker testing when clinically indicated

When to seek care

  • Progressive memory change that affects daily life should be evaluated.
  • Sudden change in thinking or alertness requires emergency attention — call 911.

Emergency symptoms

Call 911 for sudden weakness or numbness on one side, facial droop, difficulty speaking, sudden vision loss, a sudden severe headache, or a seizure lasting more than 5 minutes.

Request a Neurology Appointment

Text 815-276-7050 with your first name and the word "Memory," or call 815-337-7100 to schedule. Our office will follow up to confirm your evaluation.

In-person visits and televisits (telehealth) are both available.

What happens after you text

Text 815-276-7050 with your first name and a keyword. Our office calls you back to schedule — you do not need to fill out a form.

When you'll hear back

Texts and calls received during office hours are typically returned the same business day. You can also call 815-337-7100 directly.

Insurance and referrals

Insurance participation and referral requirements vary by plan. [Insurance details — placeholder]. Our office will confirm what your plan requires before your visit.

Please do not send urgent or emergency medical information by text. If you believe you are experiencing a medical emergency, call 911 or seek emergency medical attention. Please avoid sending sensitive medical information by ordinary SMS unless instructed otherwise.