Tax write-offs for therapists: A 2026 checklist
For mental health clinicians looking to grow their practices and expand access to serve a broader client base, insurance credentialing for therapists can be a helpful step.
This guide walks you through the insurance credentialing process and what is checked during credentialing, so you know what to expect. For a deeper look, see our mental health credentialing FAQ.
This article also includes a free downloadable insurance credentialing checklist for therapists to help you keep track of the process.
What is insurance credentialing for therapists?
Insurance credentialing for therapists, also called "paneling," is the process through which mental health professionals apply to join insurance companies' provider networks.
Once successfully credentialed, you become known as a network provider, participating provider, or panel provider.
This status allows you to accept client referrals from the health plan and enables clients to use their insurance coverage for your services.
How does the credentialing process work?
For therapists wondering how to get credentialed with insurance, the process consists of two distinct phases: credentialing and contracting.
1. Credentialing phase
You complete and submit a credentialing application.
The health plan verifies all provided information.
Your credentials are reviewed by the credentialing committee.
The committee makes an approval decision.
2. Contracting phase
You receive a network participation contract.
You review reimbursement rates and participation requirements.
You sign and return the agreement if terms are acceptable.
The plan provides an effective date for beginning in-network services.
After you sign, the payer also needs to load you into its claims system. Confirm your written effective date before you bill as in-network.
What documents do you need to apply?
Before beginning the process of insurance credentialing for therapists, ensure you have the following key pieces of information needed for credentialing:
Current professional license
Malpractice insurance documentation
Detailed work history
Educational degrees and transcripts
Professional certifications
National Provider Identifier (NPI) and taxonomy code, plus a group NPI if you bill as a group or LLC
Tax ID (EIN or Social Security number) and a completed W-9
CAQH profile (recommended)
The CAQH Provider Data Portal, formerly CAQH ProView, serves as a centralized database for your professional information. CAQH rebranded as DataSpring, powered by CAQH, in June 2026, but existing logins and profiles carried over. While it does not replace individual applications, many insurance companies use CAQH to verify provider information more efficiently.
You must authorize each insurance company to view your profile, and you need to re-attest your information every 120 days to keep it active.
Make sure your name, address, and tax information match across your NPI record, CAQH profile, W-9, and every application. Mismatches are a common reason applications stall.
What do insurers check during credentialing?
So, what is checked during the credentialing process? Insurers verify your qualifications with the original sources, including your license, education, work history, malpractice history, and any sanctions. Many health plans follow credentialing standards from the National Committee for Quality Assurance, which also calls for monitoring between recredentialing cycles.
Do Medicare and Medicaid work differently?
Medicare and Medicaid credentialing processes differ from private insurance plans.
Medicare enrollment goes through the Provider Enrollment, Chain, and Ownership System (PECOS) or the paper CMS-855I form and can be particularly complex. Licensed marriage and family therapists and mental health counselors have been eligible to enroll since January 1, 2024.
If you choose not to enroll in Medicare but want to see Medicare clients, you must formally opt out by filing a Medicare Opt Out Affidavit with your Medicare Administrative Contractor and signing a private contract with each client. Opting out lasts two years and renews automatically unless you cancel.
Medicaid credentialing varies by state, so contact your state Medicaid office for specific requirements. You must enroll with your state's Medicaid program to bill it, and Medicaid managed care plans may require separate credentialing.
How long does credentialing take?
Credentialing timelines vary by payer and state, but plan on roughly 60 to 120 days from submission to an active effective date. Contracting adds time after the credentialing decision.
To keep insurance credentialing on track, consider the following tips:
Research target insurance panels thoroughly
Prepare a letter of interest highlighting your unique qualifications
Submit complete, error-free applications
Respond to insurer requests for more information quickly
Follow up regularly on application status
Review contracts carefully before signing
Consider negotiating reimbursement rates (though this may delay acceptance)
These tips are also included in the free downloadable insurance credentialing checklist for therapists.
How do you choose insurance panels?
There's no universal "best" insurance panel for therapists.
Provider satisfaction often varies based on:
Reimbursement rates (which can vary by location)
Quality of provider support
Volume of referrals
Claims processing efficiency
Administrative requirements
To determine which panels best suit your practice, consult colleagues about their experiences, start with a few major plans to gain experience, and then evaluate each plan's performance before expanding to others.
Some panels are closed to new providers in your area. If that happens, ask to be placed on a waitlist, reapply later, or apply through a group practice that already holds a contract.
What can you do while you wait?
While your application is pending, you can see clients as private pay or out-of-network and provide a superbill for reimbursement. You can't bill the insurer as in-network until your effective date is active.
How do you stay credentialed?
Follow these tips for successful insurance credentialing for therapists:
Never skip questions on applications
Keep copies of all submitted documents
Use the insurance credentialing checklist for therapists or maintain a credentialing calendar for deadlines
Document all communications with insurance companies
Wait for official confirmation before billing as in-network
Consider professional liability implications of network participation
Remember that credentialing is not a one-time process. You'll need to:
Maintain current documentation
Complete regular re-credentialing applications
Re-attest your CAQH profile every 120 days
Keep track of effective dates and renewal deadlines
Monitor contract terms and requirements
Many health plans recredential about every three years, though cycles vary by payer. Keep your insurance credentialing checklist for therapists handy for each renewal.
If you prefer not to handle credentialing independently, consider:
Hiring a billing service that includes credentialing
Working with dedicated insurance credentialing services for mental health providers
Consulting with credentialing experts for complex applications
By following these guidelines, using the insurance credentialing checklist for therapists, and maintaining organized documentation, you can get credentialed and expand your practice through insurance network participation.
Download the free insurance credentialing checklist for therapists at the top of this article to track your progress through each step of the process.
How can SimplePractice help after approval?
SimplePractice is HIPAA-compliant practice management software with everything you need to run your practice built into the platform—from booking and scheduling to insurance and client billing. Learn more about how to bill insurance in private practice.
If you've been considering switching to an electronic health record (EHR) system, SimplePractice lets you run a fully paperless practice—so you get more time for the things that matter most to you.
Try SimplePractice free for 30 days. No credit card required.
Sources
American Psychological Association Services. (n.d.). Opting out and private contracting.
Centers for Medicare & Medicaid Services. (n.d.). Marriage and family therapists and mental health counselors.
DataSpring. (2026). CAQH rebrands as DataSpring to power the next era of healthcare data.
Medicaid and CHIP Payment and Access Commission. (2026). Chapter 7: Provider enrollment and credentialing in Medicaid.
National Committee for Quality Assurance. (2026). NCQA's credentialing standards help ensure safety and integrity of practitioner networks.
How SimplePractice streamlines running your practice
SimplePractice is HIPAA-compliant practice management software with everything you need to run your practice built into the platform—from booking and scheduling to insurance and client billing.
If you’ve been considering switching to an EHR system, SimplePractice empowers you to run a fully paperless practice—so you get more time for the things that matter most to you.
Try SimplePractice free for 30 days. No credit card required.
