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Business Growth11 min read

NPI Number Application: Type 1 vs Type 2

Apply for your NPI number correctly the first time. Understand Type 1 vs Type 2, required documents, and NPPES process. Start your application.

T
TheraFocus Team
Business Advisors
January 14, 2025

Your NPI number is one of the first administrative hurdles you'll face when starting a therapy practice. The good news? It's free, the application takes about 20 minutes, and you can do it entirely online. Let's walk through everything you need to know to get your NPI number today.

If you've ever felt overwhelmed by the business side of private practice, you're not alone. Between credentialing, insurance panels, and billing requirements, it can feel like you need a business degree just to help people. But here's the thing: most of these tasks are simpler than they seem once someone explains them clearly.

Your NPI number is a perfect example. It sounds official and complicated, but the application process is straightforward. By the end of this guide, you'll know exactly what an NPI is, which type you need, and how to complete your application without any headaches.

10
Digits in Every NPI
$0
Cost to Apply
20 min
Average Application Time
1-10
Days to Receive

What Is an NPI Number?

NPI stands for National Provider Identifier. It's a unique 10-digit number that identifies you as a healthcare provider in the United States. Think of it like a Social Security number, but specifically for your identity as a clinician.

The NPI system was created by HIPAA (the Health Insurance Portability and Accountability Act) to standardize how healthcare providers are identified across the country. Before NPIs existed, different insurance companies used different identification systems, which created confusion and billing errors.

Here's what makes your NPI important:

Why Your NPI Matters

  • Required for insurance billing. You cannot submit claims to Medicare, Medicaid, or private insurance without an NPI.
  • Stays with you forever. Unlike other provider numbers, your NPI follows you throughout your career, regardless of where you work.
  • Completely free. There's no fee to apply for or maintain your NPI number.
  • Public information. Anyone can verify provider credentials by searching the national NPI database.

Type 1 vs Type 2 NPI: Which Do You Need?

This is where most new therapists get confused. There are two types of NPI numbers, and understanding the difference is essential before you apply.

Type 1 NPI - Individual

This is YOUR personal identifier as a healthcare provider. It's tied to you as an individual clinician, not to any business or organization.

  • Follows you if you change employers
  • Required for all licensed therapists
  • One per person, for life

Type 2 NPI - Organization

This identifies a healthcare organization or business entity. It's for your practice as a company, not for you personally.

  • Required for group practices
  • Needed for LLCs and corporations
  • Tied to your EIN, not SSN

Quick Decision Guide

Solo practitioner operating as yourself? You only need a Type 1 NPI. Have an LLC, PLLC, or corporation for your practice? You'll need both a Type 1 (for you) and a Type 2 (for your business). Most therapists start with just Type 1 and add Type 2 later when they form a business entity.

Who Needs an NPI Number?

If you're a licensed mental health professional who provides billable healthcare services, you need an NPI. This includes:

  • Licensed Clinical Social Workers (LCSWs)
  • Licensed Professional Counselors (LPCs, LMHCs, LCPCs)
  • Marriage and Family Therapists (LMFTs)
  • Psychologists (PhDs, PsyDs)
  • Psychiatrists and Psychiatric Nurse Practitioners
  • Licensed Clinical Alcohol and Drug Counselors

Even if you only plan to see private-pay clients and never bill insurance, having an NPI is still recommended. Many clients request superbills for out-of-network reimbursement, and those require your NPI. Plus, you never know when you might decide to join insurance panels.

Documents and Information You'll Need

Before you start the application, gather these items. Having everything ready makes the process much smoother.

Application Checklist - Type 1 NPI

  • Social Security Number - Required for identity verification
  • License number and state - Your professional license details
  • Taxonomy code - The code that describes your specialty (we'll explain below)
  • Practice address - Where you provide services (can be a home office)
  • Mailing address - Where you want to receive correspondence
  • Contact phone and email - For NPPES communications

Understanding Taxonomy Codes

A taxonomy code is a 10-character code that describes your healthcare specialty. You'll need to select at least one during your application. Here are the most common codes for therapists:

Provider Type Taxonomy Code
Clinical Social Worker 1041C0700X
Professional Counselor 101YM0800X
Marriage and Family Therapist 106H00000X
Clinical Psychologist 103TC0700X
Addiction Counselor 101YA0400X

Step-by-Step NPPES Application Process

Ready to apply? Here's exactly what to do.

Step 1: Create an Identity and Access Management (I&A) Account

Before you can access NPPES, you need an I&A account. Go to nppes.cms.hhs.gov and click "Create Individual I&A Account." You'll enter your name, SSN, date of birth, and contact information. CMS will mail you a letter with your User ID within 7-10 business days.

Speed Tip

Want faster access? Call the NPI Enumerator at 1-800-465-3203 after creating your I&A account. They can sometimes expedite the User ID letter or help you verify your identity over the phone.

Step 2: Log In and Start Your NPI Application

Once you have your User ID, return to NPPES and log in. Select "Apply for an NPI" from the main menu. Choose "Individual" for a Type 1 NPI.

Step 3: Complete the Application Sections

The application has several sections. Take your time and double-check each entry.

  • Basic Information: Your legal name, date of birth, gender, and SSN
  • Taxonomy Selection: Choose the code that matches your license type
  • License Information: Enter your professional license number and state
  • Practice Location: Your primary practice address (where you see clients)
  • Mailing Address: Can be the same as practice or different
  • Contact Information: Phone and email for NPPES correspondence

Step 4: Review and Submit

Before submitting, review all information carefully. Name spelling, address formatting, and taxonomy codes are common error points. Once satisfied, submit your application electronically.

Step 5: Receive Your NPI

Most applications are processed within 1-10 business days. You'll receive your NPI via the email address you provided. Save this number immediately - you'll use it constantly.

Common NPI Application Mistakes to Avoid

Learn from others' errors so you don't have to make them yourself.

Mistakes to Avoid

  • Misspelling your legal name
  • Wrong taxonomy code for your license
  • Using a PO Box as practice address
  • Applying for Type 2 when you need Type 1
  • Not saving your NPPES login credentials

Best Practices

  • Match name exactly to your license
  • Verify taxonomy code before submitting
  • Use physical address, not PO Box
  • Screenshot confirmation after submission
  • Store login info in password manager

When to Update Your NPI Information

Your NPI stays with you forever, but the information attached to it needs updating when things change. You must update your NPI record within 30 days of any changes to:

  • Practice location address
  • Mailing address
  • Phone number or email
  • Legal name (marriage, divorce, etc.)
  • Taxonomy code (additional credentials)
  • License information

To update, log into NPPES with the same account you used to apply. Select "Update/Manage NPI" and make your changes. Updates typically process within 1-2 business days.

Don't Forget Insurance Updates

After updating your NPI, you'll also need to notify each insurance company you're credentialed with. They maintain their own records that don't automatically sync with NPPES. This is a common oversight that causes billing problems.

What to Do After You Get Your NPI

Congratulations on getting your NPI. Now here's your action plan for what comes next.

Your Next Steps Checklist

  • Save your NPI somewhere safe. You'll use this number constantly for credentialing and billing.
  • Verify your listing in the NPI Registry. Search for yourself at npiregistry.cms.hhs.gov to confirm accuracy.
  • Start insurance credentialing. Apply to Medicare, Medicaid, and private insurance panels.
  • Set up your billing system. Your practice management software will need your NPI for claims.
  • Consider a Type 2 NPI. If you plan to form a business entity, you'll need an organizational NPI too.

Frequently Asked Questions

How long does it take to get an NPI number?

Most online applications are processed within 1-10 business days. However, you first need an I&A account, which requires a mailed letter that takes 7-10 days. Plan for about 2-3 weeks total from start to finish.

Can I apply for an NPI before I'm licensed?

No. You must have an active professional license to apply for an NPI. Students, interns, and those with provisional licenses should wait until fully licensed. The application requires your license number and state.

Do I need a new NPI if I move to a different state?

No. Your NPI stays with you regardless of where you practice. You'll just need to update your practice address and add your new state license to your NPI record. Your number itself never changes.

Is there a fee to apply for an NPI?

No. NPI applications are completely free. Be cautious of any service that charges to obtain your NPI - you can do it yourself through NPPES at no cost. Some credentialing services charge for assistance, but the NPI itself is always free.

What if I have multiple licenses or specialties?

You still only get one Type 1 NPI. You can add multiple taxonomy codes and licenses to a single NPI record. This is common for providers who have licenses in multiple states or hold different types of credentials.

Can I look up other providers' NPI numbers?

Yes. The NPI Registry at npiregistry.cms.hhs.gov is public. You can search by name, location, or NPI number to verify any provider's credentials. This is commonly used to confirm provider information for referrals and billing.

Key Takeaways

  • Your NPI is free and permanent. Apply once and it follows you throughout your career.
  • Type 1 is for you, Type 2 is for your business. Most solo therapists start with Type 1 only.
  • The application takes about 20 minutes. Have your license number and taxonomy code ready.
  • Update within 30 days of any changes. Keep your NPI record current for accurate billing.
  • Your NPI is required for insurance billing. Get it before starting credentialing.

You've Got This

Getting your NPI is one of those administrative tasks that feels bigger than it actually is. The application is straightforward, it's completely free, and once you have it, you have it forever.

If you're feeling overwhelmed by all the business setup tasks involved in starting a practice, remember: you don't have to figure it all out at once. Take it one step at a time. Today, that step is your NPI. Tomorrow, you'll tackle the next thing.

You became a therapist to help people, and every one of these administrative steps is just a means to that end. Your future clients are out there waiting for you. The paperwork is just the path to reach them.

Ready to Build Your Practice the Smart Way?

TheraFocus helps therapists manage the business side of private practice - from client scheduling and documentation to billing and compliance. Spend less time on paperwork and more time helping clients.

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Tags:NPI NumberPrivate PracticeInsurance BillingCredentialingBusiness SetupNPPESProvider IDMedicare

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Written by

TheraFocus Team

Business Advisors

The TheraFocus team is dedicated to empowering therapy practices with cutting-edge technology, expert guidance, and actionable insights on practice management, compliance, and clinical excellence.

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