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👵 100% In-RAM Medicare Actuary • MOOP Stress-Test Engine • Zero Cloud Logs

Medicare Advantage vs. Medigap MOOP Modeler

Stress-test total annual healthcare costs across healthy, moderate, and catastrophic illness scenarios. Quantify $0-premium trade-offs against network lock-in and MOOP risk.

1. Premium & Benefit Parameters Pricing Baseline
100% gap coverage after Part B deductible
Required when carrying Medigap
Statutory maximum cap: up to $8,850+
2. Annual Medical Utilization Scenario Stress-Test Model
Estimated value of ancillary perks used
Total Annual Cost Verdict
MEDICARE ADVANTAGE SAVES $897
Moderate Health Scenario Tested

In a moderate health year, Medicare Advantage total out-of-pocket spend is $1,760 (including copays minus perks) vs. $2,657 for Medigap Plan G + Part D. However, a catastrophic illness reverses this, giving Medigap a $3,243 advantage.

Advantage Total (Current) $1,760 / yr
Medigap Plan G Total $2,657 / yr
Advantage Max Risk (MOOP) $5,900 Max Risk
Medigap Max Risk (Deductible) $2,657 Max Risk
Annual Cost: Healthy vs. Severe Illness Stress-Test Model
Medicare Advantage ($0 Prem) Medigap Plan G (Fixed Cost)
Actuarial Decision Advisory Strategic Rules
Model: CMS National Medicare Advantage vs Medigap Study 100% In-RAM

Original Medicare + Medigap vs. Medicare Advantage (Part C)

Structural comparison of provider networks, cost predictability, and medical approval hurdles.

Feature Original Medicare + Medigap Plan G Medicare Advantage (Part C)
Monthly Premium Cost $150 – $220 / mo (Higher fixed cost) $0 / mo (Most common)
Doctor & Hospital Network Nationwide Freedom (Any provider accepting Medicare) Restricted Local HMO / PPO network
Prior Authorizations ZERO prior authorization required for care Required for MRIs, surgeries, skilled nursing, chemo
Maximum Annual Out-of-Pocket Capped at Part B Deductible ($257/yr) $4,500 to $8,850+ per year
Switching Flexibility in Future Can drop anytime to go to Advantage Locked out of Medigap unless you pass underwriting

The True Cost Trade-Off: $0 Premiums vs. Catastrophic Risk

Over 50% of Medicare beneficiaries are enrolled in Medicare Advantage (Part C) plans, largely attracted by $0 monthly premiums, built-in Part D prescription drug coverage, and ancillary gym or dental benefits. However, Medicare Advantage is not "free healthcare"; it is a managed care system that shifts financial risk to the backend via cost-sharing and utilization management.

1. The Prior Authorization Bottleneck

Unlike Original Medicare, private insurance companies administering Medicare Advantage plans require prior authorizations for expensive procedures, advanced diagnostic imaging (CT/MRI), inpatient rehabilitation, and specialized cancer drugs. According to HHS Office of Inspector General (OIG) audits, millions of medically necessary requests are initially denied each year.

2. The Medigap Underwriting "Trap"

When you first turn 65, you have a one-time 6-month Medigap Open Enrollment Period where insurance companies must issue you any Medigap policy regardless of pre-existing conditions (Guaranteed Issue). If you choose Medicare Advantage and later develop cancer, heart disease, or Parkinson's, you cannot simply switch back to Medigap in 46 states because you must pass strict medical underwriting.

👵 Medigap Plan G vs Plan N

Calculate doctor visit breakevens with Medigap G vs N Simulator.

👵 Medicare IRMAA Surcharge Calculator

Model Part B and Part D income surcharges with IRMAA Calculator.

Frequently Asked Questions

Can I travel out-of-state on Medicare Advantage?

HMO plans generally provide zero coverage outside your local service area except for life-threatening emergencies. PPO plans allow out-of-network care but charge significantly higher coinsurance (up to 40% to 50%). Original Medicare + Medigap covers you with any provider in all 50 states.

Are my health scenarios or Medicare calculations stored?

Never. All calculations execute 100% locally in your device's browser memory (RAM).