PolicyBrief
S. 4384
119th CongressApr 27th 2026
Medicare Advantage Improvement Act of 2026
IN COMMITTEE

The Medicare Advantage Improvement Act of 2026 establishes strict new timelines for coverage decisions, enhances oversight and penalties for noncompliance, and aligns MA coverage criteria more closely with traditional Medicare.

Roger Marshall
R

Roger Marshall

Senator

KS

LEGISLATION

New Law Tightens Medicare Advantage Rules: Faster Approvals, Stricter Oversight, Starting 2028

Alright, let’s talk Medicare Advantage, because if you or someone you care about is on it, this new bill, the Medicare Advantage Improvement Act of 2026, is going to shake things up quite a bit. Think of it as a major tune-up for how these private health plans operate, with a big focus on making things faster and fairer for patients. Most of these changes are set to kick in starting January 1, 2028.

Cutting Through the Red Tape: Faster Decisions and Fewer Headaches

One of the biggest pain points with Medicare Advantage plans has been the time it takes to get approvals for care, especially prior authorizations. This bill tackles that head-on. Starting in 2028, if you need a standard prior authorization, your MA plan must get back to you within 72 hours (Section 2). No more waiting around endlessly for a decision on that physical therapy or specialist visit. If it’s an emergency and you need an expedited decision, they’ll have to respond within a lightning-fast 24 hours. This means less stress and quicker access to the care you need, which is a huge deal for anyone trying to manage a health condition while also juggling work and family.

But it gets better. The bill also says that for certain routine, low-risk services — think things that get approved 90% of the time anyway — MA plans will need to have a system for real-time, automated approvals (Section 2). This could be a game-changer, eliminating manual reviews for common procedures. Imagine your doctor submitting a request and getting an instant 'yes' instead of a days-long waiting game. Plus, once a service is approved, and your doctor determines you need a slight modification or extension during treatment, the plan cannot require a whole new authorization for that clinically necessary change (Section 2). This is huge for continuity of care and avoiding unnecessary interruptions during treatment.

No More Bait and Switch: Protecting Approved Care

Ever heard stories about a medical service being approved, you get it, and then the insurance company tries to deny payment after the fact? This bill aims to shut that down. Section 4 explicitly states that if your MA plan approves an item or service through a prior authorization, they cannot later deny coverage for lack of medical necessity. They also can't just change the billing code to pay less, except in cases of fraud. This is a massive win for patients and providers, offering real peace of mind that an approved treatment will actually be covered. It's about making sure an approval means an approval, plain and simple.

Leveling the Playing Field: Aligning with Traditional Medicare

Another significant change is how MA plans will have to make coverage decisions. Currently, some plans have their own criteria that can be stricter than what traditional Medicare (Parts A and B) covers. This bill says, loud and clear, that starting in 2028, MA plans cannot use medical necessity criteria that are more restrictive than what traditional Medicare uses (Section 5). This includes applying the “two-midnight rule” for hospital stays, which determines if a hospital admission counts as inpatient or outpatient. For you, this means more consistent coverage, regardless of whether you're in an MA plan or traditional Medicare. It’s about ensuring that medical necessity is judged by federal standards, not by a plan’s internal, potentially more restrictive, rules.

Holding Plans Accountable: Compliance and Transparency

This bill introduces some serious teeth when it comes to making sure MA plans actually follow the rules. Starting in 2028, the government will implement a compliance scoring and accountability program for MA organizations (Section 3). Plans will get a score based on how well they comply with rules around authorization decisions, prompt payments, marketing, and more. If a plan falls into a lower compliance tier, they’ll face payment reductions – up to 2.0% of their monthly payments. This is a direct financial incentive for plans to get their act together. On top of that, this compliance score will become part of the public-facing MA Star Ratings program, meaning you’ll have even more information to compare plans and see which ones are truly playing by the rules.

What This Means for You

If you're in a Medicare Advantage plan, or considering one, these changes are designed to make your life easier. You should see faster decisions on care, clearer rules about what's covered, and more protection against unexpected bills for approved services. For the MA organizations, this means they’ll need to step up their game, streamline their processes, and ensure they’re meeting federal standards, or face financial penalties. It’s a move towards a more transparent and patient-friendly Medicare Advantage system, aiming to reduce the administrative friction that has often frustrated both patients and their healthcare providers. It’s about making sure that when you need care, you can get it without unnecessary hurdles. While MAOs that don't meet these new compliance standards might feel the pinch, the overall goal here is a more efficient and reliable system for everyone else.