Military Insurance Guide: Tricare West, TriWest & More

Military insurance can be confusing—full of acronyms, rules, and different plans by region. If you’re unsure about the difference between Tricare West, TriWest, and Tricare for Life, you’re not alone.
This guide explains who qualifies for each plan, how they’re managed, and what healthcare providers need to know when contracting with them.
Key Takeaways:
- Tricare West: Managed by Health Net, covers active members, retirees (20+ years), and reservists.
- TriWest: Focuses on veterans who did not retire after 20 years; open to new provider applications.
- Tricare for Life: Dual coverage is available for seniors eligible for Medicare and Tricare.
- Credentialing: It can take up to 120 days, so start early to avoid delays.
- Provider Status: Non-network participating providers can bill at full rates; non-participating providers have limits.
Table of Contents
What Is Tricare West and Who Does It Cover?
Tricare West covers active-duty service members, military retirees (20+ years), and reservists on active duty. It’s managed by Health Net Federal Services.
In-network participation can be tough if your practice isn’t near a base or a large military population. Tricare West uses geographic restrictions to decide where they need providers.
If you’re not near a base, you can still apply as a non-network participating provider. In many cases, you’ll get the same reimbursement rates as in-network providers.
This lets you treat military insurance patients without turning them away. Make sure to check your group NPI and address to see if you qualify for in-network status.
Tricare West Overview
| Aspect | Details |
|---|---|
| Coverage | Active members, retirees (20+ years), reservists on duty |
| Managed by | Health Net Federal Services |
| Geographical Restrictions | Yes, near military bases or significant military areas |
| Non-Network Options | Available with similar reimbursement rates |
How Does TriWest Insurance Serve Veterans?
While both are tied to military insurance, Tricare West and TriWest serve different groups.
Tricare West covers active-duty members and military retirees.
TriWest focuses on veterans who served but didn’t retire after 20 years.
If your practice is near a VA hospital or clinic, contracting with TriWest lets you serve veterans who prefer local care over VA facilities. This is especially useful if your clinic is easier to access or offers specialized services veterans may need.
Good news for providers: TriWest is still accepting new applicants—none of their panels are full.
But the credentialing process can take up to 120 days, so it’s important to start early. Preparing ahead helps your practice serve veterans faster and with fewer delays.
Is TriWest the Same as Tricare?
If you’re confused about TriWest vs. TRICARE, you’re not alone. These two programs are both related to military healthcare, but they serve different purposes. Let’s break it down so you can see exactly how they compare and whether they’re the same thing.
What Is Tricare and How Does It Work?
TRICARE is the official health insurance program for active-duty service members, retirees, and their families. It’s run by the U.S. Department of Defense and offers coverage worldwide. There are different TRICARE plans, including TRICARE Prime, TRICARE Select, and TRICARE for Life, depending on eligibility.
Simply put, if you’re in the military or a military family member, TRICARE is your main healthcare system.
How Is TriWest Different from Tricare?

TriWest isn’t a health insurance plan—it’s a private company.
It helps manage TRICARE benefits and also runs part of the VA Community Care Network (CCN).
Specifically, TriWest processes claims, referrals, and authorizations for the TRICARE West Region and VA patients receiving care outside of VA hospitals.
Think of it this way:
| TRICARE | TriWest |
|---|---|
| A government-run health insurance program for military families | A private company that helps manage TRICARE benefits in certain regions |
| Provides direct healthcare coverage | Processes claims, referrals, and authorizations |
| Covers active-duty military, retirees, and their families | Works with TRICARE West Region and VA healthcare programs |
TriWest Overview
| Aspect | Details |
|---|---|
| Focus | Veterans not retired after 20 years |
| Benefit for Providers | Access to veterans preferring non-VA facilities |
| Credentialing Time | Up to 120 days |
| Panel Availability | Open to new providers |
What Is Tricare for Life and Who Qualifies?
Tricare for Life is a military insurance option for people who qualify for both Medicare and Tricare.
Most beneficiaries are 65 or older, but it also covers those with disabilities who are eligible for Medicare before that age.
Important Distinctions for Providers
- Non-network participating providers can treat Tricare for Life patients and receive 100% of the allowable rate.
- Non-participating providers can charge 15% above the allowable, but that extra cost is paid by the patient—not Tricare.
If you’re serving seniors or disabled veterans, this distinction matters. Being non-participating may create unexpected out-of-pocket costs, which can hurt patient trust and your collection efforts.
Tricare for Life works alongside Medicare to give full coverage to military seniors. If you’re not in-network, you can still bill as a non-network participating provider and get 100% of the allowable rate.
Non-participating providers can bill 15% more, but that extra cost goes to the patient—so it’s not ideal for those on a tight budget.
Tricare for Life Overview
| Aspect | Details |
|---|---|
| Eligibility | Over 65 or Medicare-eligible due to disability |
| Primary Payer | Medicare |
| Secondary Payer | Tricare for Life |
| Non-Network Participation | 100% of Tricare allowable maximums |
| Non-Participating Status | May bill 15% more (cost paid by patient) |
How Is Tricare East Different and Who Manages It?
Tricare East is the counterpart to Tricare West and is currently managed by Humana Military.
If your practice is located on the East Coast, you’ll need to work with Humana to join the Tricare East provider network.
Tricare contracts can change, so it’s smart to check each year for updates on who manages which region. These changes can affect provider enrollment, billing processes, and reimbursement rules.
Tricare East Overview
| Aspect | Details |
|---|---|
| Managed by | Humana Military |
| Region | East Coast |
| Annual Check Needed | Yes – contracts and oversight can change |
Which Military Insurance Plan Should You Work With as a Provider?
Choosing the right military insurance plan to work with depends on your location, services, and patient population.
If you’re near a military base, Tricare West or Tricare East may be your best option, depending on your region. These plans cover active-duty members, retirees, and their families—and tend to focus on areas with a high military presence.
If you’re near a VA facility, TriWest offers access to veterans who prefer local care instead of going to the VA. It’s a great fit for practices offering specialty services or more flexible scheduling.
Serving seniors or patients with disabilities? Then Tricare for Life is worth exploring. It acts as secondary coverage to Medicare and can be billed by providers who understand its participation rules.
Each program has different requirements for credentialing and billing. The more you understand how they work, the better you can align your services with the needs of military families and veterans.
How Can Providers Streamline Military Credentialing?
Credentialing with military insurance plans like Tricare and TriWest takes time—but you can speed things up with the right steps.
Here’s how to simplify the process:
- Use online portals to check your credentialing status and track progress.
- Start early. The process can take up to 120 days, so don’t wait—especially if you’re launching or expanding your practice.
- Consider group applications. Some systems let you credential multiple providers at once, which can save time.
- Check panel availability. As of now, TriWest panels are open to new providers, but this could change. Applying early protects you from delays.
Ready to start credentialing? Explore the essential steps in the credentialing process here: Essential Steps in the Credentialing Process
A smooth credentialing setup helps your practice serve military families and veterans without unnecessary hold-ups or denied claims.
How Does TriWest Coordinate with the VA System?
TriWest works alongside the VA to help veterans get care outside of traditional VA hospitals.
If you’re contracted with TriWest, your practice becomes part of the VA Community Care Network. This means you can treat eligible veterans in your office—even if you’re not directly connected to a VA facility.
TriWest helps coordinate referrals, records, and authorizations, so care stays consistent no matter where the veteran is seen.
To make this work smoothly, your team should know how to communicate with VA hospitals—especially when sharing test results, prescriptions, or care updates. Doing this well improves patient outcomes and reduces admin headaches.
What’s the Difference Between Non-Network and Non-Participating?
Providers often confuse non-network and non-participating status—but they mean very different things under military insurance plans like Tricare.
- Non-network participating providers are not in the network but can still bill Tricare and receive 100% of the allowable rate.
- Non-participating providers can bill, but reimbursement is lower—and you’re allowed to charge 15% above the allowable. That extra cost comes directly from the patient.
For many military families and veterans, that 15% can be a burden. If you’re looking to support this population, try to stay in-network or enroll as a non-network participating provider whenever possible.
How to Contact Tricare West Customer Service

If you need to get in touch with TRICARE West, whether it’s for claims, authorizations, or general questions, you’ll be dealing with TriWest Healthcare Alliance, the company that manages TRICARE in the western region of the U.S.
Here’s everything you need to know about TRICARE West phone numbers and how to reach the right department fast.
What Is the Tricare West Phone Number?
You can reach Tricare West customer service at:
📞 1-844-866-9378
Use this number for help with claims, referrals, authorizations, and general questions. If you’re a provider or patient in the Tricare West Region, this is the main line you’ll need.
When Should You Call Tricare West?
You should contact TRICARE West if you need help with:
- Checking on a claim status
- Finding a TRICARE-approved provider
- Getting a referral or authorization
- Updating your TRICARE information
- Understanding your benefits and coverage
If you’re a military member, retiree, or dependent using TRICARE in the western U.S., TriWest is the company handling your benefits, and this is the number to call.
Are There Other Ways to Contact Tricare West?
Prefer online tools? You can also contact Tricare West through their official site:
🌐 www.tricare-west.com
On the site, you can:
- Submit or check claims
- Search for in-network providers
- Download forms and documents
- Confirm your eligibility and benefits
FAQs About Military Insurance Providers
What is Tricare West, and who does it cover?
Tricare West covers active-duty members, military retirees with 20+ years of service, and reservists on active duty.
It’s managed by Health Net Federal Services and focuses on areas near military bases. Providers outside those zones can still join as non-network participants.
Who manages Tricare West, and are there any restrictions?
Health Net Federal Services manages the Tricare West region.
Due to geographic restrictions, provider networks often focus on areas with large military populations. Still, non-network providers can often serve Tricare patients with similar reimbursement.
What is TriWest, and how does it differ from Tricare West?
TriWest serves veterans who didn’t retire after 20 years, while Tricare West focuses on active-duty members and retirees.
TriWest allows veterans to get care outside of VA hospitals. Panels are open to new providers, but credentialing can take up to 120 days, so apply early.
What benefits do providers gain from contracting with TriWest?
TriWest gives your practice access to veterans who prefer local care over VA hospitals.
It’s a great option if you’re near a VA facility or offer specialty services. Since panels are open, it’s a solid way to expand your reach—just be prepared for a longer credentialing timeline.
What is Tricare for Life, and who qualifies for it?
Tricare for Life covers military beneficiaries who also have Medicare, usually those 65 and older or younger people with disabilities.
It acts as secondary coverage after Medicare pays its share.
How do providers participate in Tricare for Life billing?
Providers can join as non-network participating or non-participating.
Non-network participants get 100% of Tricare’s allowable rate. Non-participating providers can charge up to 15% more—but the patient pays the difference.
What should providers know about Tricare East?
Tricare East is managed by Humana Military and covers providers on the East Coast.
Check for contract changes each year—they affect enrollment, billing, and coverage rules.
How can providers streamline the credentialing process with military insurance?
Use payer portals to check credentialing status and start early—it can take up to four months.
Group credentialing can help if you have multiple providers. For more help, see our step-by-step credentialing guide.
What is the difference between non-network and non-participating providers?
Non-network participating: Get 100% of Tricare’s allowable rate.
Non-participating: Can charge 15% more, but patients pay the difference.
If you’re serving military families, non-network participation is usually the better fit.
How does TriWest coordinate with the VA system?
TriWest helps veterans receive care outside the VA. It shares referrals, records, and treatment plans with the VA system to ensure continuity of care.
Providers must know how to communicate with VA hospitals to reduce delays and provide better service.
Why is it important for providers to double-check their military insurance status?
Your status—in-network, non-network, or non-participating—affects how much you’re paid and how much your patients owe.
Double-check your contracts so there are no billing surprises for you or your patients.
Final Thoughts on Navigating Military Insurance

Working with military insurance plans like Tricare West, TriWest, and Tricare for Life can seem complex—but once you understand how they work, it becomes manageable. These plans give you the opportunity to support active-duty service members, retirees, and veterans who rely on consistent, accessible care.
Each plan has different rules for credentialing, billing, and participation status. Knowing the difference between in-network, non-network, and non-participating helps protect your revenue and avoid surprise bills for patients.
Whether you’re near a VA facility, a military base, or serve seniors on Medicare, there’s a way to align your practice with one or more of these programs. Start early, stay organized, and use the resources linked throughout this guide to support your credentialing and contracting process.
Serving military families is a privilege. With the right plan and preparation, your practice can provide the care they’ve earned—with less stress on your team.