St. Louis is one of the largest cities in Missouri, with 2,221,000 residents. Out of that, 647,751 are Medicare beneficiaries, and they have plenty of St. Louis, Missouri, Medicare plans from which to choose. St Louis is known for the famous Gateway Arch, commissioned by President Eisenhower in 1954.

St. Louis Missouri Supplemental Medicare Plans

Today we’re going to talk about the average Medicare Advantage plan options and affordable Medicare Supplement plans. Next, we’ll review the cheapest Medicare Part D and Special needs plans.

In conclusion, we’ll answer some frequently asked questions and discuss how to get help with supplemental Medicare plan options in St Louis.

The data below is based on a 65-year-old non-smoking female.

Average Medicare Advantage plans in St. Louis, Missouri

There are 278,328 Medicare beneficiaries enrolled in Missouri Medicare Part C plans. Medicare Advantage enrollees make up about 55% of the Medicare population. In St. Louis, Medicare members have 41 Medicare Advantage options.

Wellfirst is a relatively new local Medicare Advantage company. Their HMO-POS has a low maximum out-of-pocket. Since they are new, they have not been assigned a star rating from the Centers for Medicare & Medicaid Services.

UnitedHealthcare is the Medicare giant. They are simply the largest company when it comes to Medicare plans. Shown below is their PPO with a 4-Star rating and reasonable maximum out-of-pocket.

Aetna has great Medicare Advantage options. They usually include a unique dental opportunity that allows for more flexibility for dentists.

PLAN PREMIUM MOOP Plan Type Star Rating
Wellfirst Health $0 $2,500 HMO-POS N/A
UnitedHealthcare $0 $3,900 LOCAL PPO 4
Aetna $0 $5,000 LOCAL PPO 4
Humana $0 $3,900 REGIONAL PPO 3
Anthem BCBS $0 $3,900 LOCAL PPO 4

Affordable Medicare Supplement Plans in St. Louis, Missouri

Missouri Medicare Supplements, known as Medigap plans, are standardized by the federal government. These plans have the same benefits, regardless of your carrier or where you live.

They combine with Original Medicare to cover your cost-share responsibility. Because they’re’ additional coverage to Medicare, you can see any doctor nationwide that accepts Medicare without needing a referral.

There are ten choices when it comes to Medigap coverage. The vast majority of beneficiaries choose between the top three Medicare Supplement options.

Plan F – This is the full coverage option. Except for the monthly premium, you pay zero dollars out of pocket. There is also a high deductible option called the Plan HDF.

Plan G – This option provides almost identical coverage to Plan F. There is only one difference. You’re responsible for paying the small annual Medicare Part B deductible. Like Plan F, there is also a high deductible option for Plan G. The designation is HDG.

Plan N – This plan is the most bang for the buck. With affordable premiums and small copays when you go for a doctor or emergency room visit, many seniors gravitate to this option.

PLAN A $94.01 $304.58
PLAN B $150.35 $288.94
PLAN C $177.89 $284.87
PLAN D $164.44 $240.00
PLAN F $178.92 $350.13
PLAN HDF $42.00 $67.65
PLAN G $146.75 $307.58
PLAN HDG $42.00 $66.92
PLAN K $62.25 $107.54
PLAN L $105.50 $243.07
PLAN M $132.96 $283.10
PLAN N $120.97 $240.16

Cheapest Medicare Part D in St. Louis Missouri

Prescription drug coverage in Missouri isn’t’ required. However, if you decide you don’t want to pay for prescription coverage now, you’ll be charged a penalty later in your life if you decide you need a drug plan. Medicare Part D plans are provided by private insurance companies such as Wellcare and Cigna. These plans follow a standard model.

Regardless of which company or plan you choose, they must give coverage at least as good as the standard model. These plans consist of four coverage phases.

  1. Deductible
  2. Initial Coverage
  3. Coverage Gap
  4. Catastrophic Coverage

As you pick up your prescriptions, you’ll move through the phases. Most Medicare beneficiaries don’t get past the initial coverage phase. The Coverage Gap phase is also referred to as the Donut hole.

SilverScript by Aetna has the cheapest premium coming in under seven dollars. CVS owns Aetna, so you can imagine how they can offer drug coverage for such a low cost. The SilverScript brand is tried and true and is considered by many as one of the top plans.

Centene-owned Wellcare is the second-lowest premium drug plan. Wellcare has been trending to the top as far as Medicare options go for several years.

Humana comes in third. Humana is also an excellent choice regarding your Medicare drug coverage.

Aetna $6.80 $480 3
Wellcare $12.90 $480 3
Humana $22.70 $480 4
Clear Spring $28.70 $480 2
UnitedHealthcare $29.40 $310 4

Medicare Special Needs Plans

Medicare Advantage plans include special needs options, and these Special Needs Plans, or SNPs, help Medicare beneficiaries with specific challenges. SNP plans include Dual Eligible, Chronic Health, and Institutionalized Special Needs Plans.

Dual Eligible plans assist low-income Medicare beneficiaries that also qualify for Medicaid. These plans will usually include low to no cost for medical services and devices—lower prices on prescription drugs and additional benefits catered to people on Medicaid.

Chronic Plans assist people with chronic health conditions such as diabetes, COPD, or heart disease. These plans can lower the cost of treatment and drugs for the condition the program is designed for.

Institutionalized Plans are for people that are living in an institution. These plans focus on additional care that institutionalized beneficiaries would need.

There is no shortage of Dual SNP plans in St. Louis.

Wellcare’s’ D-SNP HMO has the lowest maximum out-of-pocket. Wellcare in many areas offers dental implants and utility assistance for low-income beneficiaries.

UnitedHealthcare has a unique offering in its SNP dual offerings. They have a D-SNP PPO plan, while Most D-SNP plans are HMO-style plans, giving their clients more access to care.

Humana always has solid D-SNP plans. With excellent customer service, they go the extra mile for their clients.

PLAN PREMIUM MOOP Plan Type Eligibility
Wellcare $0 $3,450 HMO Dual
UnitedHealthcare $0 $7,550 LOCAL PPO Dual
Humana $0 $3,450 HMO Dual
Aetna $0 $7,550 HMO Dual
Essence $0 $7,550 HMO Dual


What’s the best Medigap plan in St. Louis, Missouri?

Plan F is often regarded as the best Medicare Supplement plan option. Plan G is just as good, with only the Part B deductible required for out-of-pocket costs. Usually, the annual cost difference between Plan G and Plan F is more than you spend on the deductible.

What’s the cheapest Medicare Part D plan in St. Louis, Missouri?

SiverScript has the lowest Part D plan premium in St. Louis. The monthly premium is $6.80 per month. They have been ranking at the top for Part D plans for years.

What Special Needs Plans are available in St. Louis?

In St. Louis, there are Special needs plans for dual-eligible and chronic health conditions. These plans will assist people that fall into the demographic for the program. For more specific information, speak with a licensed insurance broker.

How to Sign Up for Supplemental Medicare in St. Louis, Missouri

There are many options, with 41 Medicare Advantage plans and 10 Medigap options. The bad news is that it can make things more complicated. We’re here to help every step of the way, no matter what you need.

We can help educate you on Missouri Medicare and your options. Help determine which plans work best with your doctors and prescriptions. We can even help you enroll and start the program. Simply fill out our online request form, or give us a call.

Written By:
Picture of the author
Lindsay Malzone, Lindsay Malzone is the Medicare editor for She's been contributing to many well-known publications since 2017. Her passion is educating Medicare beneficiaries on all their supplemental Medicare options so they can make an informed decision on their healthcare coverage.
Reviewed By:
Picture of the expert
Rodolfo Marrero, Rodolfo Marrero is one of the co-founders at He has been helping consumers find the right coverage since the site was founded in 2013. Rodolfo is a licensed insurance agent that works hand-in-hand with the team to ensure the accuracy of the content.