Oklahoma Health Insurance Marketplace Open Enrollment Begins Nov. 1 for 2027 Coverage

For Immediate Release:
October 1, 2026

OKLAHOMA CITY – Open Enrollment for the 2027 Health Insurance Marketplace in Oklahoma begins Nov. 1, 2026. During this period, Oklahoma residents can enroll in, re-enroll in or change Affordable Care Act (ACA) health plans through the federal Marketplace at HealthCare.gov.

Oklahoma will remain on the federal exchange for plan year 2027. The transition to Oklahoma’s new state-based exchange will begin in 2028.

Key Dates for Oklahoma Marketplace Enrollment:

Nov. 1, 2026: Open Enrollment Begins

• Starting Nov. 1, you can explore the various health insurance options available through the Marketplace in Oklahoma. This is your chance to find a plan that suits your needs and budget.

Dec. 15, 2026: Deadline for Coverage Starting on Jan. 1, 2027

• To ensure your health coverage begins on Jan. 1, 2027, enroll or make any plan changes by Dec. 15, 2026, to avoid a coverage gap.

Five insurers will offer individual Marketplace plans in Oklahoma:

• Ambetter of Oklahoma (Celtic Insurance Company)
• Blue Cross Blue Shield of Oklahoma (statewide)
• CommunityCare Oklahoma
• Oscar Health
• UnitedHealthcare

Availability varies by county, with Blue Cross Blue Shield providing statewide options.

Six stand-alone dental plans will also be available on HealthCare.gov through:

• Best Life
• Blue Cross Blue Shield of Oklahoma Dental
• EMI Health
• Guardian
• Humana
• Renaissance

“Oklahomans should review their family’s health needs to secure the best possible coverage for 2027,” Insurance Commissioner Glen Mulready said. “Visit HealthCare.gov as early as possible to compare plans and find the right fit.”

For plan details and cost information, visit HealthCare.gov/see-plans.

Media questions or comments should be directed to
Chief of Communications, Liz Heigle
Liz.Heigle@oid.ok.gov | (405) 819-2221