For treatment centers

Insurance credentialing for treatment centers: Getting in-network

Published May 10, 2026 · 8 min read · Updated April 2026
Reviewed for accuracy by licensed clinical professionals.

Insurance credentialing (becoming in-network) determines whether patients can use their insurance at your facility. Being in-network dramatically increases your accessible patient population.

Why credentialing matters

Patients prefer in-network providers (lower out-of-pocket costs). Many managed care plans require in-network treatment. Being in-network increases admissions volume. It demonstrates legitimacy to referral sources.

The process

Submit application to each insurance company individually. Provide: licensing, accreditation, staff credentials, malpractice insurance, facility information, and clinical programming details. Undergo site visit or virtual review. Negotiate rates. Execute contract.

Timeline

3-6 months per insurance company. Some take longer. Begin credentialing as early as possible. You cannot see patients under the contract until credentialing is complete.

Tips for success

Start with the largest payers in your area first. Ensure accreditation is in place (most insurers require it). Have all documentation organized before applying. Follow up regularly (credentialing departments are notoriously slow). Consider a credentialing service if managing multiple applications.

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Authoritative sources

This article references guidelines from: SAMHSA · NIDA · ASAM

Frequently asked questions

How long does insurance credentialing take?
3-6 months per insurance company. Some take longer. Begin as early as possible.
Do I need accreditation to get credentialed?
Most major insurers require CARF or Joint Commission accreditation for network participation.
Can I credential with multiple insurance companies simultaneously?
Yes. Apply to all target payers at once. Each has its own process and timeline.

Disclaimer: Informational only. Not medical advice. SAMHSA: 1-800-662-4357.