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Best Medicare Supplement Plans in Indiana: 2026 Rates

By Anthony Orner, Independent Licensed Medicare Insurance Broker · Indiana filed-rate data pulled September 11, 2026, CSG Actuarial · Marion County (ZIP 46239)

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Indiana carriers file Medigap in 85 rating areas for 92 counties — close to one price zone per county, the finest slice of any state we publish. In Marion County, 27 carriers quote Plan G at 65 from $118.22 to $333.67 (CSG Actuarial, pulled September 11, 2026); the statewide floor drops to $109.46 in Allen County, still Bankers Fidelity (Atlantic Capital Life). Federal law makes the coverage behind every one of those numbers identical.

GPM Health and Life's $333.67 runs 2.8 times Bankers Fidelity (Atlantic Capital Life)'s $118.22 for the same plan letter, a $215.45-a-month gap worth $51,708 over 20 years if neither line ever files an increase again, which neither will. Below: the full monthly bill with Part B added, county by county, and every carrier that filed a 2026 increase.

Published September 22, 2026 · Filed-rate data pulled September 11, 2026 · Source: CSG Actuarial · Profile: female, non-tobacco, individual, no household discount

The carrier pays the commission, not you; the filed rate is the filed rate either way.

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What Plan G and Plan N Cost in Marion County at 65

ZIP 46239 in Marion County, female, non-tobacco, individual, no discount applied, pulled September 11, 2026. This is one table out of 85 Indiana rating areas — your own ZIP can land on a different line entirely.

PlanCheapest filingCarrierHighest filingCarrierMonthly spreadCarriers
Plan G$118.22Bankers Fidelity (Atlantic Capital Life)$333.67GPM Health and Life$215.4527
Plan N$85.00Members Health$196.93WPS Health Solutions$111.9326

Plan N's floor is $85.00, $33.22 under the cheapest Plan G, and it belongs to Members Health, not Bankers Fidelity (Atlantic Capital Life), the Plan G leader. Plan N trades that gap for copays: up to $20 at some office visits and up to $50 at an emergency room visit that does not end in admission, and it hands you Part B excess charges too. One rule holds on both letters: the $283 Part B deductible stays unpaid.

Go deeper: the full Indiana monthly bill with the Part B premium added, county by county.

Three Things That Decide an Indiana Medigap Price

Rate Type: 25 of 27 Price on Attained Age

September 11, 2026's mix: 25 attained age, 1 issue age, 1 community rated. Attained-age pricing climbs on birthdays, then climbs again whenever the carrier refiles. Bankers Fidelity (Atlantic Capital Life)'s Marion County Plan G goes $118.22 at 65, $124.20 at 70, $147.57 at 75 and $174.98 at 80. Everence Association is the one issue-age filing here, set by the age you buy at. AARP / UnitedHealthcare is the one community-rated filing, one price at every age.

Rating Area: 85 Price Zones Across 92 Counties

Indiana carriers file by rating area, close to one per county, the finest slice of any state in our file. The cheapest Plan G at 65 is $109.46 in Allen County and $126.97 in Porter County, a $17.51 gap from the same carrier for the same plan. Pick your county first; the carrier list only matters after that.

Carrier: One Name Holds Every County Floor

Bankers Fidelity (Atlantic Capital Life) is the cheapest filed Plan G carrier in every one of the 16 key counties we track, at 3 different rate lines depending on the rating area. Federal law standardizes the benefits, so all 27 Marion County filings pay identical claims from $118.22 to $333.67. 15 of the 27 carriers have an Indiana filing effective in 2026, the newest Washington National on September 1, 2026.

Which Indiana Counties Sit on Which Price Line

16 Indiana counties were quoted as key markets on September 11, 2026. Their cheapest Plan G at 65 lands on 3 price lines, all of them cheapest through Bankers Fidelity (Atlantic Capital Life). The county low moves $17.51 across the state; only the rating area changes, not the carrier.

Cheapest Plan G at 65CarrierCounties on this line
$109.46Bankers Fidelity (Atlantic Capital Life)Allen County, Hamilton County, St. Joseph County, Elkhart County, Tippecanoe County, Vanderburgh County, Hendricks County, Johnson County, Madison County, Clark County, Monroe County, Delaware County, Vigo County (13)
$118.22Bankers Fidelity (Atlantic Capital Life)Marion County (1)
$126.97Bankers Fidelity (Atlantic Capital Life)Lake County, Porter County (2)

The Indiana cost page carries the full 16-county table with the Part B premium added and the age-65-to-75 progression by carrier.

Indiana Medigap Rate Filings in the 2026 Reports

18 Indiana rows carry a Plan G percentage in the December 2025-to-September 2026 CSG records; 18 went up, 5 by 30% or more. HealthSpring Insurance (HCSC) tops the list at +42.7%, effective April 1, 2026. Remember a filing moves one carrier's whole block, not a single renewal notice, and the effective date often lands weeks or months away from the report month that first disclosed it.

Carrier (as filed)EffectivePlan GPlan NMarion County Plan G at 65
GPM Health and LifeDecember 1, 2025+28.0%$333.67
Humana Insurance CompanyDecember 1, 2025+19.5%$158.13
Humana Insurance CompanyDecember 1, 2025+19.5%$217.33
WPS Health SolutionsJanuary 1, 2026+15.0%$214.70
Anthem Blue Cross Blue ShieldJanuary 1, 2026+12.6%$164.11
United AmericanFebruary 1, 2026+8.8%$224.00
Aflac (Tier One Insurance)March 1, 2026+21.0%$175.41
WoodmenLifeMarch 15, 2026+30.0%$180.75
HealthSpring Insurance (HCSC)April 1, 2026+42.7%$139.19
Medico Insurance CompanyApril 1, 2026+34.5%$157.69
Everence AssociationApril 1, 2026+17.7%$168.35
Globe Life and AccidentMay 1, 2026+19.8%$166.00
AARP / UnitedHealthcareJune 1, 2026+25.1%$160.41
Pekin Life Ins CoJuly 1, 2026+30.0%$211.50
Insurance Company of North America (Chubb)September 1, 2026+32.0%$173.08
Washington NationalSeptember 1, 2026+24.9%$159.83
New Era LifeSeptember 1, 2026+18.0%$170.97
USAA LifeSeptember 1, 2026+15.0%$187.85

Every state's 2026 filings are on the 2026 Medigap rate increases page.

The Lettered Plans, and What Each One Leaves With You

One federal benefit chart governs every carrier's lettered plans, in Indiana or anywhere else. On Plan G, only the $283 Part B deductible is yours to pay; Plan N shares that plus copays and Part B excess charges; Plan F, closed to anyone newly eligible since January 1, 2020, covers everything. Even closed to new buyers, Plan F held 119,959 Indiana lives as of December 2023, against 202,217 on Plan G and 32,798 on Plan N — legacy policyholders who bought before the cutoff and never moved (NAIC via AHIP, statewide by letter).

PlanWhat it leaves with youIn one line
Plan ABoth deductibles, skilled nursing coinsurance, excess charges, foreign travelThe basic benefits every letter includes
Plan BPart B deductible, skilled nursing coinsurance, excess charges, foreign travelPlan A plus the Part A deductible
Plan DPart B deductible and Part B excess chargesPlan G without excess-charge coverage
Plan G202,217 Indiana livesThe Part B deductible onlyThe letter with the most Indiana lives (NAIC, December 2023)
High-Deductible GA yearly deductible before the plan paysLower premium, more first-dollar risk
Plan KHalf of most cost-sharing, up to a yearly capLowest premium tier by design; half of most cost-sharing stays with you
Plan LA quarter of most cost-sharing, up to a yearly capBetween K and N
Plan NPart B deductible, office and ER copays, excess chargesThe lower-premium trade most callers weigh against G

Benefit chart per Medicare.gov. This page prices Plan G and Plan N only.

Indiana Medigap at a Glance (2026)

One data pull (September 11, 2026), one profile. The cost page below adds the Part B premium and follows the floor from 65 to 75.

Write These Down Before You Dial

  • Part B premium: $202.90/month, standard 2026 rate, billed by Medicare separately from any Medigap premium.
  • Part B deductible: $283/year — neither Plan G nor Plan N touches this one.
  • Part A deductible: $1,736 per benefit period, fully covered by Plan G and Plan N.
  • Indiana Plan G, age 65: $109.46 in Allen County up to $333.67 in Marion County; statewide median $166.35.
  • Statewide enrollment: 370,851 Medigap policies as of December 2023; 202,217 of them Plan G (NAIC via AHIP).
  • Your window: six months, starting the month you're 65 and on Part B — no health questions asked, at any of the 27 carriers, no exceptions after it closes.

Where Every Indiana Figure Above Comes From

Indiana Medigap Questions, Answered From the Filings

Anthony Orner, NPN 20586791, 1309 Route 70 West, Cherry Hill, NJ 08002, 855-559-1700, licensed in Indiana and 34 other states. Figures above are CSG Actuarial filings pulled September 11, 2026, quoted at ZIP 46239 in Marion County on a female, non-tobacco, individual profile with no discount — a sample table, not a quote. Whichever carrier you enroll with pays my commission out of the filed rate; nothing is added to your bill.

Related: Indiana cost · 2026 rate increases · Medicare Supplement hub · Medicare broker · Compare policies · How to enroll · Get a quote

Filed-rate hubs for other states: New Jersey · Ohio · Texas · Virginia

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