Medicare’s Cognitive Assessment Visit: The Separate Appointment That Builds a Dementia Care Plan
By YourResourceHub Editorial Team · Reviewed by Steven Sun · 6 min read · Last updated October 20, 2026
- Medicare Part B covers a separate, roughly 60-minute visit, billed under code 99483, to assess cognitive function in depth and build a written care plan.
- This is not the free Annual Wellness Visit. After your $283 Part B deductible, you pay 20% coinsurance like any other covered service.
- The visit requires an “independent historian,” meaning a spouse, adult child, guardian, or other caregiver should plan to attend.
- People already diagnosed with dementia may also qualify for the GUIDE (Guiding an Improved Dementia Experience) Model’s care navigator and up to $2,500 a year in respite reimbursement.
Medicare Part B covers a separate, roughly 60-minute visit, billed under code 99483, to assess a patient’s cognitive function in detail and build a written care plan after a doctor spots possible signs of dementia during a routine or annual wellness visit.
In this article
- What the visit covers
- How it differs from your Annual Wellness Visit
- Who can order it, and the caregiver’s role
- What this visit costs under Part B
- What happens after: care plans and the GUIDE Model
- What families get wrong
- Frequently asked questions
What the cognitive assessment visit covers
A physician, nurse practitioner, clinical nurse specialist, or physician assistant can perform this assessment in an office, a private residence, a care facility, or by telehealth. The visit typically runs about 60 minutes face-to-face and includes a focused cognitive exam, a review of the patient’s history and records, a functional assessment of daily activities and decision-making capacity, a medication review, and screening for neuropsychiatric symptoms like depression.
The provider also uses standardized tools to stage the severity of any impairment they find, such as the Functional Assessment Staging Test or the Clinical Dementia Rating scale. That staging matters later, because it’s what a provider points to when deciding whether a patient needs more frequent follow-up, a referral to a neurologist, or a conversation about long-term planning.
The goal is specific: help diagnose dementia, including Alzheimer’s disease, identify treatable causes or co-occurring conditions, and produce a written care plan the patient and family can actually use. The visit also gives the provider an opening to offer help creating or updating advance directives, the legal documents that record a patient’s wishes about future medical treatment in case they’re ever unable to decide for themselves.
How it differs from your Annual Wellness Visit
Every Medicare beneficiary is entitled to a yearly Wellness visit at $0 cost if the provider accepts assignment, and that visit includes a brief cognitive screening as one item on a longer checklist. If that screening raises a concern, Medicare doesn’t ask the provider to resolve it on the spot. It covers this separate, more detailed visit specifically to dig deeper and build a plan, billed independently from the Wellness visit itself.
The two visits are often confused because one leads into the other, but they’re billed differently, covered differently, and serve different purposes: one is a prevention checklist, the other is a diagnostic workup.
Who can order it, and the caregiver’s role
Imagine a caregiver named Teresa has noticed her father repeating questions and missing bill payments he never used to miss. The visit requires what Medicare calls an “independent historian,” someone besides the patient who can describe changes the patient may not recognize or report accurately. That can be a spouse, adult child, guardian, or another caregiver, and Teresa’s presence at the appointment isn’t optional paperwork; it’s a required part of how the assessment works.
Any provider who can bill evaluation and management services can order and perform the visit, so it doesn’t require a specialist referral to get started. There’s no age cutoff or diagnosis requirement to ask for one; a primary care doctor who notices a concerning pattern at a routine checkup can order the visit on the spot, the same way they would order any other diagnostic workup.
The independent historian requirement exists because people living with cognitive changes often can’t reliably report their own symptoms. A patient may genuinely believe they haven’t missed any bills or repeated themselves in conversation, while the person who lives with them or checks in regularly has a very different picture. Medicare built the visit around getting both perspectives in the room at once, not around taking either one alone.
What this visit costs under Part B
This is a Part B-covered service like most others, which means standard cost-sharing applies: after you meet your $283 annual deductible, you pay 20% of the Medicare-approved amount. The exact dollar amount depends on where the visit happens and whether the provider accepts assignment, so Teresa’s father should ask the office directly before scheduling.
| Visit | What it does | Cost to you | How often |
|---|---|---|---|
| Annual Wellness Visit | Brief cognitive screening as one item on a prevention checklist | $0 if the provider accepts assignment | Once every 12 months |
| Cognitive assessment & care plan visit (code 99483) | In-depth cognitive workup and a written care plan | 20% coinsurance after the Part B deductible | As needed, when a concern is identified |
| GUIDE Model (dementia diagnosis required) | Dedicated care navigator, 24/7 support line, respite reimbursement | Up to $2,500 a year in respite costs covered | Ongoing, while enrolled |
What happens after: care plans and the GUIDE Model
If the visit confirms a dementia diagnosis, Teresa’s father may also qualify for Medicare’s GUIDE Model, a Centers for Medicare & Medicaid Services (CMS) Innovation Center pilot built around a dedicated care navigator, a 24/7 support line, and up to $2,500 a year in respite reimbursement so Teresa can get a break without paying entirely out of pocket. The cognitive assessment visit itself doesn’t enroll anyone in GUIDE automatically; it’s the diagnostic step that can make someone eligible to ask about it.
What families get wrong about this visit
The most common mistake is the patient attending alone, which strips the visit of the independent historian it’s built around and can leave real changes in memory, judgment, or safety unreported. A second mistake is assuming this visit is the same as, or included in, the Wellness visit, then being surprised by a coinsurance bill. A third is waiting for a crisis before scheduling it: this is a covered service any time a doctor has a reason to order it, not an emergency-only benefit.
Frequently asked questions
Do I qualify for this visit if my doctor hasn’t formally diagnosed dementia yet? Yes. The visit is designed to help reach a diagnosis, not just manage one that already exists. A provider can order it after noticing signs of possible cognitive impairment at any visit, including the Annual Wellness Visit.
Can I schedule this visit on the same day as my Annual Wellness Visit? Yes, Medicare allows both to happen back to back on the same day. The cognitive assessment visit is billed separately from the Wellness visit’s own cost rules, so expect two distinct charges reflecting two distinct, separately covered services.
Does my caregiver have to be a family member to attend? No. Medicare’s independent historian can be a spouse, adult child, guardian, or another individual, such as a close friend, who can reliably describe changes in the patient’s memory, judgment, or daily functioning.
What happens if I can’t afford the 20% coinsurance? Ask the provider’s billing office about your specific Medicare-approved amount before the visit, and ask whether you qualify for a Medicare Savings Program, which can cover Part B cost-sharing for people with limited income.
Is this the same visit that makes me eligible for the GUIDE Model? Not automatically. The cognitive assessment visit is a diagnostic step. If it leads to a dementia diagnosis, you can then ask your provider whether a GUIDE-participating practice is available to enroll you.
