2026 Newfront Medicare for Employers Guide
Medicare for Employers
Guide Topics
How do Employers Interact with Medicare?
- Understand the Points of Coordination, Avoid the Rest
- Think of Medicare issues in a similar way that employers interact with personal tax issues related to employee benefits
- Stick to a high-level overview, avoid advising on specific situations where possible, advise consultation with expert advisers where the employee needs more information
- As with tax issues, most Medicare issues are unrelated to employee benefits and should not be addressed by employers
- In those cases, it’s appropriate to route employees to the Medicare & You handbook, the Contact Medicare website, SHIP Medicare Counseling and/or the Consumer Assistance Programs (CAPs)
Medicare for Employers Topics for Discussion:
- MSP: How the Medicare Secondary Payer rules affect employer-sponsored group health plans
- COBRA: How the COBRA rules interact with Medicare in complicated (and confusing!) ways
- Special Enrollment Periods: How to enroll in Medicare after loss of active employer coverage
- HSAs: How and when Medicare affects HSA eligibility— including potential Part A retroactive concerns
Medicare Secondary Payer Who Pays First (and More)
Employers Subject to MSP Rules
MSP Applicability Based on Employer Size and Type of Entitlement
- In most cases, Medicare entitlement is based on age (65+) or disability. Different rules apply for both.
Entitlement Based on Age (65+)
- 20+ Employees: Must have 20+ employees on all days in at least 20 calendar weeks
Entitlement Based on Disability
- 100+ Employees: Applies to a “Large Group Health Plan”
The MSP Basics
- GHP Pays Primary for Active Coverage:
- The basic rule of thumb for the MSP rules is that employers are prohibited from “taking into account” the Medicare entitlement of a current employee or spouse/child.
COBRA or Retiree Coverage
- MSP Does Not Apply: Medicare Pays Primary for retirees and COBRA qualified beneficiaries.
Prohibited Incentives: Can’t Encourage Medicare
| Point | Description |
|---|---|
| 1 | No Medicare or Medicare Supplement Reimbursement |
| 2 | No Coverage Designed to Supplement Medicare |
| 3 | No Special Opt-Out Credits for Age 65+ Employees |
Section 111 MSP Reporting for GHPs
- Section 111 of the SCHIP Extension Act of 2007 created a reporting requirement to ensure proper administration of the MSP rules in group health plans (GHPs).
- Employers are generally not RREs, those responsibilities fall on insurance carriers or third-party administrators (TPA).
How Medicare and COBRA Interact for Retirees
COBRA and Medicare
- Medicare “entitlement” means Medicare enrollment.
- Mere Medicare eligibility (e.g., reaching age 65) is not Medicare entitlement.
COBRA Qualifying Event: Two Requirements
- Loss of coverage
- Caused by one of the COBRA triggering events
Medicare enrollment almost always does not cause loss of coverage.
Medicare Enrollment Periods
Medicare Initial Enrollment Period
- Seven-Month Initial Enrollment Period around Age 65
Special Enrollment Period (SEP)
- Eight-month special enrollment period begins the earlier of:
- The month after employment ends;
- The month after active coverage ends.
Medicare Part D
Notice of Creditable Coverage
- To inform employees whether their employer-sponsored group health plan’s prescription drug coverage is at least as rich as a Medicare Part D plan.
- Important for avoiding late enrollment penalties upon Part D enrollment.
Medicare and HSAs
HSAs and Reaching Age 65 (Medicare)
- Employees do not lose HSA eligibility automatically upon reaching age 65.
- Loss of HSA eligibility occurs only upon Medicare enrollment.
Medicare for Employers – Top Five Issues
- Medicare Secondary Payer (MSP): Must offer same benefits under same conditions to employees age 65+.
- COBRA: Coverage terminates upon enrollment in Medicare after electing COBRA.
- Special Enrollment Periods: Must enroll in Medicare within eight months to avoid penalties.
- Medicare Part D: Must provide a Notice of Creditable Coverage annually.
- HSAs and Age 65 (Medicare): Employees do not lose HSA eligibility until Medicare enrollment.