Annual Enrollment Period
E131894
The Annual Enrollment Period is the yearly window when people with Medicare can review and change their Medicare Advantage and prescription drug coverage for the upcoming year.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Annual Enrollment Period canonical | 1 |
| Medicare Annual Enrollment Period | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1150093 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Annual Enrollment Period Context triple: [Medicare Part C, enrollmentPeriod, Annual Enrollment Period]
-
A.
General Enrollment Period
The General Enrollment Period is a specific annual window during which eligible individuals can sign up for Medicare Part B if they missed their initial enrollment opportunity.
-
B.
COBRA
COBRA is a U.S. federal law that allows workers and their families to continue group health insurance coverage for limited periods after job loss or other qualifying events.
-
C.
health insurance marketplace
A health insurance marketplace is an online platform where individuals, families, and small businesses can compare, shop for, and enroll in standardized health insurance plans, often with access to income-based subsidies.
-
D.
Annual Compliance Determination
The Annual Compliance Determination is a formal report issued by the U.S. Postal Regulatory Commission that evaluates whether the Postal Service’s rates and services comply with applicable postal laws and regulations over the preceding year.
-
E.
Affordable Care Act
The Affordable Care Act is a landmark U.S. healthcare reform law enacted in 2010 that expanded health insurance coverage, introduced consumer protections, and sought to reduce overall healthcare costs.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Annual Enrollment Period Target entity description: The Annual Enrollment Period is the yearly window when people with Medicare can review and change their Medicare Advantage and prescription drug coverage for the upcoming year.
-
A.
General Enrollment Period
The General Enrollment Period is a specific annual window during which eligible individuals can sign up for Medicare Part B if they missed their initial enrollment opportunity.
-
B.
COBRA
COBRA is a U.S. federal law that allows workers and their families to continue group health insurance coverage for limited periods after job loss or other qualifying events.
-
C.
health insurance marketplace
A health insurance marketplace is an online platform where individuals, families, and small businesses can compare, shop for, and enroll in standardized health insurance plans, often with access to income-based subsidies.
-
D.
Annual Compliance Determination
The Annual Compliance Determination is a formal report issued by the U.S. Postal Regulatory Commission that evaluates whether the Postal Service’s rates and services comply with applicable postal laws and regulations over the preceding year.
-
E.
Affordable Care Act
The Affordable Care Act is a landmark U.S. healthcare reform law enacted in 2010 that expanded health insurance coverage, introduced consumer protections, and sought to reduce overall healthcare costs.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Medicare enrollment period
ⓘ
health insurance enrollment window ⓘ |
| alsoKnownAs |
AEP
ⓘ
Annual Enrollment Period ⓘ
surface form:
Medicare Annual Enrollment Period
Medicare Advantage Open Enrollment Period ⓘ
surface form:
Medicare Open Enrollment Period
|
| appliesTo |
Medicare Part C
ⓘ
surface form:
Medicare Advantage plans
Medicare Part D ⓘ
surface form:
Medicare Part D prescription drug plans
Medicare beneficiaries ⓘ |
| associatedConcept |
Medicare plan comparison
ⓘ
out-of-pocket cost review ⓘ plan premium changes ⓘ prescription drug formulary review ⓘ provider network changes ⓘ |
| benefit |
opportunity to adjust coverage to changing financial needs
ⓘ
opportunity to adjust coverage to changing health needs ⓘ |
| communicationChannel |
Medicare & You handbook
ⓘ
Medicare Plan Finder tool ⓘ notices from Medicare plans ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| decisionEffectiveDate | changes take effect at the start of the next coverage year ⓘ |
| defaultOutcome | existing coverage usually continues if no changes are made ⓘ |
| governingBody | Centers for Medicare & Medicaid Services ⓘ |
| hasEligibilityRequirement | beneficiary must have Medicare Part A or Part B for certain changes ⓘ |
| hasLimitation | does not generally apply to Medigap enrollment rules ⓘ |
| hasRestriction | changes are limited to options available in beneficiary’s service area ⓘ |
| isDistinctFrom |
Initial Enrollment Period
ⓘ
Medicare Advantage Open Enrollment Period ⓘ Special Enrollment Period ⓘ
surface form:
Special Enrollment Periods
|
| purpose |
allow Medicare beneficiaries to change coverage
ⓘ
allow Medicare beneficiaries to review coverage ⓘ allow disenrollment from Medicare Advantage plans ⓘ allow dropping Medicare Part D coverage ⓘ allow enrollment in Medicare Advantage plans ⓘ allow enrollment in Medicare Part D plans ⓘ allow switching Medicare Advantage plans ⓘ allow switching Medicare Part D plans ⓘ |
| regulatedBy | federal Medicare regulations ⓘ |
| relatedTo |
Medicare Part C
ⓘ
surface form:
Medicare Advantage
Medicare Part D ⓘ Medigap policies ⓘ
surface form:
Medicare Supplement Insurance
Medicare Part A ⓘ
surface form:
Original Medicare
|
| requiresAction | beneficiaries must actively select new plans to change coverage ⓘ |
| targetGroup | people already enrolled in Medicare ⓘ |
| timeFrame |
applies to coverage for the upcoming calendar year
ⓘ
occurs once per year ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Annual Enrollment Period Description of subject: The Annual Enrollment Period is the yearly window when people with Medicare can review and change their Medicare Advantage and prescription drug coverage for the upcoming year.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Medicare Annual Enrollment Period