June 2, 2025
What Is an NPI Number? Complete Guide for PT Professionals
Mastering the NPI Number Process for a Streamlined, Compliant PT Practice
If you're a physical therapist or own a PT clinic, you've likely encountered the term "NPI number." But what is an NPI number, and why is it essential to your daily operations? More importantly, how do you ensure your practice is fully compliant and efficient when dealing with NPI-related processes?
This comprehensive guide breaks down everything physical therapy professionals need to know about the National Provider Identifier (NPI), including how to get an NPI number, how to apply for NPI number credentials, and how to use and maintain your NPI number effectively. Whether you’re starting your own practice or joining a group clinic, this article covers all the key points to keep your business running smoothly.
What Is an NPI Number?
An NPI number is a 10-digit, intelligence-free numeric identifier assigned to healthcare providers in the United States by the Centers for Medicare & Medicaid Services (CMS). It was established under the Health Insurance Portability and Accountability Act (HIPAA) and is used to identify healthcare providers in all standard administrative and financial transactions.
This unique identifier replaces previous provider numbers like the UPIN and is required by law when billing insurance, submitting claims, referring patients, or accessing healthcare systems that fall under HIPAA regulation.
There are two main types of NPI numbers:
- Type 1 (Individual NPI): For individual providers like physical therapists.
- Type 2 (Group NPI): For organizations, such as group practices, clinics, or rehab facilities.
Both types are critical to the workflow of a physical therapy clinic.
Why Physical Therapists Need an NPI Number
As a physical therapist, you’re considered a HIPAA-covered entity. This means you must have an NPI number even if you don't bill directly or are employed by a facility that does the billing for you. Insurance companies, Medicare, and Medicaid require your NPI to process claims and reimbursements.
Additionally, practice owners must also obtain a Type 2 NPI for their organization, even if they also have an individual NPI.
Without an NPI number:
- You can't get reimbursed by payers.
- You can't legally submit electronic health claims.
- You can't refer patients to other providers through digital systems.
How to Get an NPI Number
The process for obtaining your NPI is fairly straightforward but must be done with care. Here’s how to get an NPI number as a physical therapist:
- Visit the NPPES Website: Go to https://nppes.cms.hhs.gov/ to start the online application.
- Create an Account: Register for a user ID and password.
- Complete the Application: You’ll need to input the following information:
- Your full legal name
- Date and place of birth
- SSN or Individual Taxpayer Identification Number
- Professional license information (state, license number, etc.)
- Primary business address and contact info
- Provider taxonomy code (e.g., physical therapist)
- Your full legal name
- Submit the Application: Once submitted, your application is reviewed by the NPI Enumerator.
- Receive Your NPI Number: You’ll receive it via email, usually within 10 business days. Check your spam folder to avoid missing it.
How to Apply for NPI Number by Mail (Alternative Method)
While the online method is faster and recommended, you can also apply by submitting a paper application:
- Download and fill out Form CMS-10114.
- Mail it to the NPI Enumerator address listed on the form.
- This process typically takes up to 20 business days.
Understanding the NPI Number Application Process for Physical Therapists
The NPI number application process might seem tedious at first, but it’s a one-time setup that has lasting benefits. Here are a few key tips for PTs and practice owners:
- Choose the Correct Taxonomy Code: This ensures you're classified correctly (e.g., 225100000X for physical therapists).
- Match All Information: Your NPI application details should match those used for Medicare enrollment or insurance credentialing.
- Track Your Status: Log in to the NPPES portal to view your application status or download your NPI confirmation.
How to Use Your NPI Number in Physical Therapy Practice
Once you have your NPI number, here’s how to integrate it into your workflow:
- Include your NPI on all CMS-1500 claim forms.
- Use it when referring patients to other providers.
- Submit it when credentialing with insurance payers.
- Keep it updated if your name, license, or practice location changes (must be reported within 30 days).
For physical therapy practices with multiple providers:
- Each clinician must have a Type 1 NPI.
- The practice itself must also register for a Type 2 NPI.
Group vs. Individual NPI Numbers in Physical Therapy
Understanding the distinction between individual and group NPIs is essential for compliance and smooth billing.
- Individual (Type 1): Tied to a single provider. Required for all treating therapists.
- Group (Type 2): Assigned to the business entity. Used when billing as a group or clinic.
In many insurance billing scenarios, both the individual and group NPI are submitted together. This pairing identifies who treated the patient (individual NPI) and who is billing (group NPI).
How to Make the NPI Process Easier
To streamline your NPI number processes:
- Store NPI info in your EMR system.
- Train staff on NPI compliance, especially when onboarding new providers.
- Schedule periodic reviews to ensure NPI numbers are current and reflect the correct taxonomy codes.
How PtEverywhere Can Help With NPI Management
PtEverywhere’s physical therapy software is designed with compliance and efficiency in mind. From onboarding new providers to billing and claims submission, our platform ensures that your NPI data is properly captured, stored, and applied throughout your workflow.
With PtEverywhere, you can:
- Automatically link Type 1 and Type 2 NPIs to patient records and claims
- Ensure accurate claim submissions with pre-verified provider details
- Streamline onboarding with centralized NPI entry fields
- Monitor changes in provider info and receive update reminders
- Keep your team in sync with secure access to NPI data in one place
Whether you're a solo PT or managing a growing clinic, PtEverywhere makes NPI compliance simple and stress-free.
Conclusion
In today’s healthcare landscape, NPI numbers are a non-negotiable part of running a compliant, efficient, and successful physical therapy practice. From understanding what is an NPI number to mastering the NPI number application process, it’s vital to get it right the first time.
For physical therapists and practice owners, knowing how to get an NPI number, how to apply for NPI number credentials, and how to manage both individual and group NPIs is foundational for operational success.
With PtEverywhere as your practice management partner, you don’t have to navigate the complexities alone. Let us help you integrate, automate, and streamline your entire workflow—from patient intake to reimbursement.