When is ACA Open Enrollment in Mississippi for plan year 2027?

Open Enrollment for plan year 2027 in Mississippi runs November 1, 2026 through December 15, 2026. Mississippi uses HealthCare.gov (federally-facilitated).

Which insurance carriers sell ACA marketplace plans in Mississippi?

Carriers expected to offer plans in Mississippi include Ambetter from Magnolia Health, Cigna Healthcare, Molina Healthcare, Oscar Health Plan, Inc., UnitedHealthcare. The official OEP 2027 carrier list is finalized in the summer prior to enrollment.

Did Mississippi expand Medicaid under the ACA?

Mississippi has not adopted Medicaid expansion. CHIP for kids (Mississippi CHIP) covers households up to 214% of the Federal Poverty Level, and pregnancy Medicaid covers up to 199% FPL.

How many people enrolled in ACA marketplace plans in Mississippi?

338,159 Mississippi residents selected a marketplace plan during the most recent completed Open Enrollment (2025 plan year, CMS state-level public use file).

Did Mississippi expand Medicaid?

Mississippi has not adopted ACA Medicaid expansion. Adults without dependents typically do not qualify for Medicaid regardless of income, creating a coverage gap below 100% FPL.

What is the CHIP income limit in Mississippi?

Mississippi CHIP covers children in Mississippi households up to 214% of the Federal Poverty Level.

How do I apply for Medicaid in Mississippi?

Apply year-round at https://medicaid.ms.gov/programs/childrens-health-insurance-program-chip/ or by calling 1-877-543-7669. Medicaid and CHIP have no enrollment deadlines — you can apply at any time.

OEP 2027 · Mississippi

ACA marketplace plans in Mississippi

Carriers, Open Enrollment dates, Medicaid expansion status, CHIP eligibility, and signup history for Mississippi. Data last updated 2026-06-08.

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Overview

Marketplace

FFM

HealthCare.gov (federally-facilitated)

Medicaid expansion

Noi

Per KFF tracker

OEP carriers

Plan year 2027

2025 plan selections

338,159i

+139% vs 2022

Open Enrollment window

For plan year 2027, residents of Mississippi can enroll in marketplace coverage from November 1, 2026 through December 15, 2026 at www.healthcare.gov.

Missed Open Enrollment? You may qualify for a Special Enrollment Period after a qualifying life event such as losing other coverage, marriage, or a household income change.

Deep dive into Mississippi

Subsidies

Mississippi ACA subsidies & income limits

2026 FPL tables and premium tax credit eligibility.

Dates

Mississippi Open Enrollment dates

Exact OEP dates, deadlines, and SEP rules.

Medicaid

Mississippi Medicaid & CHIP

Expansion status, CHIP income limits, how to apply.

Counties

All Mississippi counties

County-by-county ACA marketplace pages.

Carriers in Mississippi for OEP 2027

Carrier lists shown below are current marketplace participants and a strong indicator of who will offer plans in Mississippi for 2027. Final OEP 2027 filings are confirmed in summer 2026.

Ambetter from Magnolia Health
Cigna Healthcare
Molina Healthcare
Oscar Health Plan, Inc.
UnitedHealthcare

CHIP & Medicaid for kids and pregnant women

Mississippi CHIP covers children in households up to 214% of the Federal Poverty LeveliKFF CHIP eligibility tables. Pregnancy Medicaid coverage extends to 199% FPLiKFF Medicaid/CHIP eligibility tables.

Enroll or check eligibility at medicaid.ms.gov/programs/childrens-health-insurance-program-chip · 1-877-543-7669.

See the full state-by-state CHIP table for context.

Recent signup history

Plan year	Plan selections in Mississippi
2022	141,318
2023	188,332
2024	286,130
2025	338,159

Source: CMS OEP State-Level Public Use File.

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Subsidies

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ICHRA

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Employer reimbursement option vs. group plans.

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Dates

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Sources

The information contained on this website is for educational purposes only. We are not responsible for missing or inaccurate information. Please consult a licensed insurance broker in your state and area for insurance advice. Please consult a CPA for tax or legal advice.