Medicare Advantage was meant to curb federal healthcare spending. It's costing more instead (2023)


Medicare Advantage, which funnels government healthcare benefits through privately run managed-care insurers, has grown so fast that within months it’s expected to be the dominant form of coverage for seniors.

That’s largely because the plans, most of them HMOs, offer lower out-of-pocket costs, plus added benefits not covered by original Medicare, such as dental and vision care and prescription drugs. Some Advantage plans even throw in gym memberships.

The one thing that Medicare Advantage has not done is curb the government’s healthcare spending, even though that was a big selling point in Washington when it was approved in the mid-1990s as Medicare Part C.


Today Medicare spends considerably more for an Advantage member than it does for a comparable enrollee in original Medicare Parts A and B.

As a result, a program born out of a desire to deliver better care and more choices for seniors while reducing government costs is instead generating hefty income for private health insurers and keeping Medicare on a path to insolvency by decade’s end.

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“The status quo will continue to put untenable pressure on Medicare financing,” said David Lipschutz, associate director of the Center for Medicare Advocacy in Washington.

He said the Biden administration has done more than others to address issues related to excessive Medicare Advantage payments and aggressive marketing schemes, but most analysts say they’re likely to have little effect.

Medicare’s budget woes have been building for years, and the current battle over the nation’s debt ceiling may put renewed focus on restraining the skyrocketing costs for entitlement programs. Federal expenditures for Medicare in all forms are likely to reach $1 trillion this year, second only to Social Security as Washington’s most costly element in the so-called safety net.

But Medicare and Social Security are politically so explosive that almost no one in Washington is willing to talk about the issues publicly, let alone propose spending cuts that will draw the ire of millions of older voters. Biden has promised to keep both programs off-limits to Republicans seeking to slash government spending as part of the debt-ceiling talks.

There are also health spending pressures that neither side can do much about. The number of seniors is growing as the U.S. population ages. They are living longer and seeking more expensive medical care to help them lead better and more productive lives.

Against that challenging backdrop, the shift to Medicare Advantage represents a profound change with far-reaching consequences. It already counts as members nearly half of all 65 million people who are 65 and older and eligible for Medicare. More than 3.3 million Californians have Medicare Advantage.

“Today Medicare looks more like a marketplace of private plans than a national public health program,” said Tricia Neuman, Medicare policy expert at KFF, the San Francisco nonprofit healthcare research organization. She said it’s not clear whether Medicare Advantage is delivering better long-term health outcomes.

When it was introduced more than two decades ago, Medicare Advantage had been devised as a money-saving plan. Traditional Medicare pays doctors and hospitals a fee for each service they render, but with Medicare Advantage, private health plans — most operating as health maintenance organizations — are paid a set amount per patient per month, regardless of how many, or how few, medical services are used.

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As in other managed care plans, participants typically select primary physicians from a network of providers and must obtain referrals to visit specialists.

That fixed amount covers everything a doctor or other provider does for a patient. It’s called capitation, and the idea was to encourage medical providers to be more efficient.

Initially, capitation rates for Medicare Advantage were set at 95% of the average cost of an enrollee in original Medicare.

But later, officials added a so-called risk-adjustment process. Not wanting to incentivize insurers to go after only healthier people, Medicare created a complex payment formula that factored in local demographics, health plan quality ratings and the medical status of enrollees. In general, the sicker the member, the bigger the capitation.

That worked almost too well. Advantage plans enrolled a lot of sicker people, including many lower-income beneficiaries.

And they began writing down every medical condition in a member, often too aggressively and sometimes inappropriately “upcoding” to boost the capitation amount.

Over the years some of the largest Medicare Advantage plans have been accused of deliberately making patients look sicker than they really are, for example recording diagnoses of patients who had not been seen in weeks or adding medical conditions after cursory assessments and incomplete tests.

What’s more, health plans also figured out what they needed to do to get high quality ratings for bonus payouts. Last year 90% received four or five stars.

The overall result: Today Medicare is spending 6% more for an Advantage member than it would have if that person had been in original Medicare, according to MedPac, a nonpartisan legislative agency that advises lawmakers on Medicare financing. Some analysts estimate the difference is even greater.

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MedPac, in a March report to Congress, blamed it on a flawed payment system, saying the policies “undermine the goal of plans competing to improve quality and reduce healthcare costs.”

Under Biden, the Centers for Medicare & Medicaid Services announced plans this year to start auditing Advantage plans to recover overpayments, but experts doubt they’ll recoup much.

Health insurers don’t seem particularly worried. Andrew Witty, chief executive of UnitedHealth Group, the No. 1 provider of Medicare Advantage health plans with 7.5 million enrollees, said in April that he expects that business “to grow strongly for years to come.” Humana, the second-largest Advantage insurer, recently announced that it was withdrawing from the commercial employer group market to focus on Medicare.

Wall Street analysts who follow for-profit healthcare finances say that for every dollar of Medicare Advantage payment, insurers on average spend about 85 cents for medical expenses and an additional 10 cents for operational overhead such as salaries, leaving about 5 cents for net profit. Although that is slightly less than the commercial health insurance market, what makes Medicare Advantage so desirable for insurers is that it brings in a lot more dollars per enrollee, reflecting their age and greater medical utilization.

According to KFF’s analysis, the amount of Medicare Advantage premium, or payments from Medicare, left after accounting for medical claims was $1,730 per enrollee in 2021 — more than double the gross margin for someone in a group employer or individual plan.

Moreover, with still millions more baby boomers aging into Medicare, that population is growing at multiples of the under-65 commercial market. No surprise then that more than 180 insurers and organizations are offering Advantage plans, said Gretchen Jacobson, the Medicare expert at the Commonwealth Fund, a private foundation promoting better healthcare.

Medicare specialists and health economists tend to be wary of Medicare Advantage, partly because so many seniors have jumped into these plans without knowing all the limitations and caveats. Enrollment has surged along with a bombardment of television ads, some confusing and misleading, which Medicare officials are now starting to go after.

Consumer advocates also warn that HMOs in their heyday in the 1980s and ’90s often cut costs by making it difficult for patients to access specialists and denying medically necessary care.

Last year, government investigators said that their study found that 13% of denials by Medicare Advantage health plans would have been approved under original Medicare. In recent months, UnitedHealthcare and Cigna, two of the largest Medicare Advantage health plans, announced that they would reduce their prior authorizations for certain procedures.

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Still there’s been no widespread consumer backlash with Medicare Advantage as HMOs saw in earlier decades. And surveys have shown that Advantage plans overall enjoy a high level of member satisfaction, comparable to original Medicare.

A big reason is the added coverage for vision and dental care, both of which have become very expensive and both of which involve medical problems that loom even larger among seniors.

Also, more and more doctors have given up individual private practice and joined large medical groups that include hospitals and other facilities. So although original Medicare beneficiaries have greater choice — in theory they can go to any doctor or hospital — Advantage plans in some areas give members access to the highest-rated providers in their networks.

George Halvorson, a retiree and former CEO of Kaiser Permanente, said he recently had a surgical procedure on his skull, a craniotomy, at the renowned Mayo Clinic. Because he was a member of the Minnesota Blue Cross Medicare Advantage plan, he said, all of it was covered. Traditional Medicare beneficiaries are responsible for 20% of the charges, although those who can afford it buy supplemental insurance (Medigap) to cover the gap.

Halvorson said that Medicare Advantage’s popularity comes down largely to good results. He said, for example, that Medicare Advantage has sharply reduced the number of expensive amputations by preventing foot ulcers. More generally, studies have shown a higher percentage of people in Medicare Advantage use preventive healthcare services than those in original Medicare.

Still, after a review of more than 60 studies on the subject, KFF analysts said they found “few big differences” between Medicare Advantage and traditional Medicare.

There’s some evidence that hospital readmissions may be lower with Medicare Advantage, but research also shows people in traditional Medicare tend to have better access to top-rated hospitals for services such as cancer treatment and to the highest-quality skilled nursing facilities.

Regardless, practically everyone sees Medicare Advantage enrollment growing.

“There’s no stopping it,” said Bonnie Burns, a longtime Medicare specialist at California Health Advocates, a nonprofit counseling and advocacy group.

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“There’s a revolution going on,” she said. “And I don’t think it’s clear where all this is going to wind up.”


Medicare Advantage was meant to curb federal healthcare spending. It's costing more instead? ›

Medicare Advantage was meant to curb federal health care spending. It's costing more instead. WASHINGTON — Medicare Advantage, which funnels government health care benefits through privately-run, managed-care insurers, has grown so fast that within months it's expected to be the dominant form of coverage for seniors.

What was the purpose of Medicare Advantage? ›

Medicare Advantage Plans must offer emergency coverage outside of the plan's service area (but not outside the U.S.). Many Medicare Advantage Plans also offer extra benefits such as dental care, eyeglasses, or wellness programs. Most Medicare Advantage Plans include Medicare prescription drug coverage (Part D).

What is the biggest disadvantage of Medicare Advantage? ›

Disadvantages of Medicare Advantage
  • Limited service providers. If you choose one of the more popular Medicare Advantage plan types, such as an HMO plan, you may be limited in the providers you can see. ...
  • Complex plan offerings. ...
  • Additional costs for coverage. ...
  • State-specific coverage.

Why are they always pushing for Medicare Advantage plans? ›

Many Medicare Advantage plans offer additional benefits , such as money toward dental or vision care, which isn't covered by original Medicare. About 1 in 4 people say extra benefits pushed them to choose Medicare Advantage, according to a survey by the Commonwealth Fund, a health care think tank.

What are the main differences between Medicare and Medicare Advantage? ›

Original Medicare vs.

Original Medicare covers inpatient hospital and skilled nursing services – Part A - and doctor visits, outpatient services and some preventative care – Part B. Medicare Advantage plans cover all the above (Part A and Part B), and most plans also cover prescription drugs (Part D).


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