- Accountable Care Organizations (ACO)
- Advance Beneficiary Notice of Noncoverage (ABN)
- Advance coverage decision
- Advance directive
- Ambulatory surgical center
- Appeal
- Assignment
- Benefit period
- Certified (certification)
- CHAMPVA
- Claim
- Coinsurance
- Comprehensive outpatient rehabilitation facility
- Copayment
- Coverage determination (Part D)
- Coverage gap
- Creditable coverage
- Creditable coverage (Medigap)
- Creditable prescription drug coverage
- Critical access hospital (CAH)
- Custodial care
- Deductible
- Durable Medical Equipment (DME)
- Durable power of attorney
- End-Stage Renal Disease (ESRD)
- Exception
- Excess charge
- Extra Help
- Formulary
- Grievance
- Group health plan
- Guaranteed issue rights (also called "Medigap protections")
- Guaranteed renewable policy
- Health care provider
- Health Insurance Marketplace
- Home health agency
- Home health care
- Hospice
- Inpatient rehabilitation facility
- Lifetime reserve days
- Limiting charge
- Living will
- Long-term care
- Long-term care hospital
- Medicaid
- Medical underwriting
- Medically necessary
- Medicare Advantage Plan (Part C)
- Medicare-approved amount
- Medicare-certified provider
- Medicare Cost Plan
- Medicare drug coverage (Part D)
- Medicare drug plan (Part D)
- Medicare Health Maintenance Organization (HMO) Plan
- Medicare health plan
- Medicare Medical Savings Account (MSA) Plan
- Medicare Part A (Hospital Insurance)
- Medicare Part B (Medical Insurance)
- Medicare plan
- Medicare Preferred Provider Organization (PPO) Plan
- Medicare Private Fee-For-Service (PFFS) Plan
- Medicare Savings Program
- Medicare SELECT
- Medicare Special Needs Plan (SNP)
- Medicare Summary Notice (MSN)
- Medigap
- Medigap Open Enrollment Period
- Medigap policy
- Original Medicare
- Out-of-pocket costs
- Penalty
- Pilot programs
- Point-of-service option
- Power of attorney
- Pre-existing condition
- Premium
- Preventive services
- Primary care doctor
- Prior authorization
- Private Insurance
- Program of All-inclusive Care for the Elderly (PACE)
- Referral
- Rehabilitation services
- Religious nonmedical health care institution
- Respite care
- Secondary payer
- Service area
- Skilled nursing care
- Skilled nursing facility (SNF)
- Skilled nursing facility (SNF) care
- State Health Insurance Assistance Program (SHIP)
- State Insurance Department
- State Medical Assistance (Medicaid) office
- Step therapy
- Supplemental Security Income (SSI)
- Supplier
- Telemedicine
- Tiers
- TTY
- Urgently needed care
