Texas Insurance Applications

How to Apply for Texas Health Insurance: A Step-by-Step Guide

Last updated: April 2026 · Reviewed by a licensed Texas health insurance agency

If you’d rather have a licensed Texas agent do the paperwork with you on the phone, that’s free - carriers pay us, not you - and most applications take 15 to 25 minutes start to finish. Call (972) 666-0578 or book a free 20-minute appointment. Otherwise, read on.

The 7 types of Texas health insurance applications

Before you fill anything out, figure out which of these applies to you. Picking the wrong one is the single most common reason a Texas application gets denied, delayed, or priced higher than it should be.

1. Marketplace (Healthcare.gov) individual & family application

For Texans buying their own coverage - self-employed, between jobs, or employed somewhere that doesn’t offer health insurance. This is the application that determines whether you qualify for an Advanced Premium Tax Credit (subsidy). Most Texas households earning between $15,060 and $60,240 as an individual (or $31,200 to $124,800 for a family of four) receive a subsidy, and under current federal rules many higher earners do too because the benchmark Silver premium is capped at 8.5% of household income.

Open Enrollment window: November 1 through January 15 in Texas. Outside that window you need a Qualifying Life Event to apply.

What you’ll need: Social Security numbers for everyone applying, most recent tax return, estimated 2026 household income (this is what the subsidy is based on, not last year’s income), immigration documents for non-citizens, and employer coverage details if any household member has access to an employer plan.

Time: 20-40 minutes online, plus 1-7 days for the system to verify identity (sometimes longer if you have a common name or moved recently).

2. Off-Marketplace individual application

The same carriers (Blue Cross Blue Shield of Texas, Ambetter, Oscar, Aetna CVS Health, Molina) also sell directly to Texas residents off the exchange. You give up the ability to use a subsidy, but you sometimes get a slightly broader network and simpler underwriting. Most Texans who qualify for a subsidy should stay on the Marketplace; self-employed high earners and anyone who doesn’t qualify for a subsidy should compare both.

3. Medicare Supplement (Medigap) application

For Texans on Original Medicare who want to fill in the 20% coinsurance gap. The key window is your six-month Medigap Open Enrollment Period, which starts the month you turn 65 and are enrolled in Part B. During that six-month window you have guaranteed-issue rights: no medical underwriting, no denials, no rate-ups. Apply outside that window and Texas carriers can decline you or charge more based on health history.

What you’ll need: Your red-white-and-blue Medicare card (Parts A and B effective dates), a payment method (most Texas Medigap carriers prefer bank draft, which saves 5-8% vs credit card), and for applications outside the guaranteed-issue window, a roughly 20-minute health history conversation.

4. Medicare Advantage / Part D application

Separate from Medigap. Medicare Advantage (Part C) replaces Original Medicare with an HMO or PPO network; standalone Part D covers prescriptions. Apply during your Initial Enrollment Period (7 months around your 65th birthday) or the Annual Election Period (October 15 through December 7 every year). In Texas, major Medicare Advantage carriers include Humana, UnitedHealthcare, Aetna, WellCare, and Blue Cross Blue Shield of Texas.

5. Short-term medical (STM) application

For Texans who need bridge coverage between jobs, while waiting for Marketplace OEP, or while moving to Texas from another state. Texas currently permits short-term plans up to 12 months with 2 renewals. These plans are medically underwritten (pre-existing conditions are not covered) and are not ACA-compliant - so they don’t count as minimum essential coverage and don’t qualify for subsidies. They cost 50-70% less than Marketplace plans for healthy people.

Time: 5-15 minutes, with same-day or next-day effective dates in most cases.

6. Dental, vision, and supplemental application

Standalone dental in Texas starts around $15-$35 per month through carriers like Ameritas, Blue Cross Blue Shield of Texas, Delta Dental, Humana, and Renaissance. Vision is typically $8-$18 per month. Most dental plans have a waiting period for major services (6 months for basic, 12 months for crowns/bridges) unless you’re replacing prior coverage with no lapse. Applications take 5-10 minutes and are almost always approved same-day.

7. Group (employer) health insurance application

For Texas small businesses with 2 or more W-2 employees who want to offer health insurance. The SHOP Marketplace (the federal small-business exchange) is technically available but rarely the best fit - most Texas small groups get better rates and networks going directly through an agent to Blue Cross, UnitedHealthcare, Aetna, or Humana. Small group applications take 2-4 weeks including census data collection, underwriting, and first-of-month effective dates.

Special Enrollment Periods: when you can apply outside Open Enrollment

If it’s between January 16 and October 31 and you need Marketplace coverage, you need a Qualifying Life Event. The ones Texas households most commonly qualify for:

• Loss of other coverage - losing a job, aging off a parent’s plan at 26, COBRA expiring, moving off Medicaid or CHIP, or losing a spouse’s employer coverage. Gives you 60 days from the loss date.
• Moving to Texas from another state (as long as you had prior coverage).
• Marriage, divorce, birth, adoption, or gaining a dependent.
• Income change that newly qualifies you for a subsidy or changes a Medicaid determination.
• A change in household composition or immigration status.

SEPs require documentation. If you can’t prove the qualifying event, Healthcare.gov will pend the application and eventually terminate it - this is one of the top reasons Texans think their application “didn’t go through.”

The 6 mistakes that cost Texans the most on their applications

1. Estimating income wrong. The Marketplace reconciles your subsidy against your actual tax return. Under-report your income and you’ll pay back the difference at tax time. Over-report and you leave subsidy on the table. We recommend using your 2025 return as a starting point, then adjusting for anticipated changes.
2. Letting the auto-renewal default you into a different plan. Every year Healthcare.gov reshuffles benchmark plans. If you don’t actively pick during OEP, you’ll often wake up January 1 on a plan with a different network and different drugs.
3. Applying for Medigap outside your open enrollment window. Once the six-month guaranteed-issue window closes, Texas carriers can underwrite, rate up, or deny. This mistake alone can cost a healthy 70-year-old $40-$80 per month for the rest of their life.
4. Not checking whether your doctor is in-network before you apply. Networks change every January. The plan you had last year may have dropped your primary care doctor or local hospital system.
5. Applying for a short-term plan without reading the pre-existing condition exclusion. STM plans in Texas can refuse to pay claims tied to any condition you had symptoms of in the prior 12-60 months, depending on carrier.
6. Using an out-of-date SSN, address, or DOB. If anything doesn’t match Social Security’s records (for example, a woman who married and didn’t update SSA), the application pends for identity verification.