How to Get an EIN for Your Therapist Business in Colorado (2026)

As a therapist starting a private practice in Colorado, you'll likely need an Employer Identification Number (EIN). This guide will explain why an EIN is crucial for your therapist business and provide a step-by-step process for obtaining one in Colorado. Lovie can streamline this process, ensuring you're set up for success in 2026.

What is an EIN?

An EIN, or Employer Identification Number, is a unique nine-digit number assigned by the IRS to identify your business. It's essentially a Social Security number for your business. Even if you don't plan to hire employees right away, an EIN is often required for various business activities.

How to Apply for an EIN

  1. Determine Your Eligibility: Ensure your therapy business meets the IRS requirements for obtaining an EIN. Generally, if you're forming a PLLC or plan to hire employees, you're eligible.
  2. Choose Your Business Structure: Decide on your business structure (e.g., PLLC, S-Corp). In Colorado, therapists often choose a PLLC. The structure will impact how you complete the EIN application.
  3. Prepare Form SS-4: Complete IRS Form SS-4, Application for Employer Identification Number. You can download this form from the IRS website. Be prepared to provide information about your business, such as its legal name, address, and the reason for applying.
  4. Apply Online: The easiest and fastest way to apply for an EIN is through the IRS website. The online application is available during certain hours, and you'll receive your EIN immediately upon completion.
  5. Submit via Fax or Mail (If Necessary): If you prefer not to apply online, you can fax or mail Form SS-4 to the IRS. However, this method takes significantly longer.
  6. Receive and Store Your EIN: Once your application is processed, you'll receive your EIN. Keep this number in a safe place, as you'll need it for various business-related activities.

Start your formation with Lovie — $20/month, everything included.