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Type 2 NPI: Organization & Group Practice

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TL;DR — A Type 2 NPI identifies an organization — a group practice, clinic, hospital, or agency that bills under a group number. If your practice bills under the group’s name and tax ID, or providers reassign benefits to it, the organization needs its own Type 2 NPI in addition to each provider’s Type 1. A Type 2 NPI is the identifier assigned to organizations — group practices, hospitals, clinics, agencies, and other healthcare entities that provide services through their employed or contracted providers.

If your organization submits Medicare claims under a group or organizational billing number (rather than each individual provider billing under their own individual NPI), the organization needs a Type 2 NPI.

When you need a Type 2 NPI

Your organization needs a Type 2 NPI if:

  • You’re a group practice that bills under the group’s name and tax ID
  • You’re a hospital, SNF, HHA, hospice, or other institutional provider
  • You’re a DMEPOS supplier operating as an organization
  • You’re enrolling as a group in Medicare via the CMS-855B or CMS-855A
  • You have individual providers who will reassign Medicare benefits to the organization

You may not need a Type 2 NPI if:

  • You’re a sole practitioner who bills only under your individual Type 1 NPI
  • The “organization” is legally a sole proprietorship and you bill as the individual

When in doubt, the question is: does Medicare get billed under an organizational NPI? If yes, you need a Type 2.

Type 2 NPI registration: step-by-step

Step 1: Go to NPPES nppes.cms.hhs.gov — log in or create an NPPES account.

Step 2: Start a Type 2 NPI application From the dashboard: “Apply for an NPI” → “Organization (Type 2).”

Step 3: Organization information Enter:

  • Legal organization name (must match IRS records exactly — your legal name as registered with the state and IRS)
  • “Other name” / “doing business as” (if different from legal name)
  • Organization type
  • Employer Identification Number (EIN)

⚠️ Legal name must match IRS records exactly. CMS validates EIN/name combinations. “Smith Physical Therapy, Inc.” vs. “Smith Physical Therapy Inc.” (with or without comma) can cause mismatches. Check your IRS CP-575 letter for your exact registered name.

Step 4: Taxonomy code Select the taxonomy code(s) that represent your organization’s specialty or services. For group practices, use the primary specialty your group practices. For multi-specialty groups, list the primary taxonomy and add secondaries.

Common organization taxonomy codes:

  • Group Practice (general): 193200000X
  • Physical Therapy, Group Practice: 225100000X (same as individual)
  • Clinic/Center (multi-specialty): 261Q00000X variants
  • Home Health: 251E00000X
  • Hospital: 282N00000X (and variants by hospital type)
  • Hospice: 251G00000X

Step 5: Practice location Enter the organization’s primary practice location. Physical address required — no P.O. Boxes.

Add additional locations if your organization operates at multiple sites.

Step 6: Contact information Organization phone, fax, and contact person information.

Step 7: Authorized official NPPES requires an authorized official for Type 2 NPI applications — someone with authority to bind the organization:

  • Name, title, phone number, email of the authorized official

Step 8: Review and submit NPI assignment is typically immediate after online submission.

Organization vs. subpart NPIs

Large healthcare organizations sometimes use both an organizational NPI and subpart NPIs:

Organizational NPI: The top-level entity’s identifier (e.g., “Mercy Health System”)

Subpart NPI: A Type 2 NPI assigned to a distinct component of the organization that operates independently for billing purposes (e.g., “Mercy Health System - Outpatient Physical Therapy”)

CMS guidance allows organizations to use subpart NPIs when different components of the organization operate separately and have distinct billing patterns. In practice, most small-to-medium group practices use one Type 2 NPI. Large multi-site organizations, hospitals with affiliated practices, and health systems may use multiple Type 2 NPIs.

Get legal and billing advice before setting up complex subpart NPI structures — the downstream implications for Medicare enrollment and claims are significant.

Maintaining your Type 2 NPI record

Update your organization’s NPPES record when:

  • The organization’s legal name changes
  • The organization’s EIN changes (requires a new NPI in some circumstances)
  • Practice locations are added or closed
  • The authorized official changes
  • Taxonomy codes need updating

All changes in NPPES propagate to PECOS and CMS systems in 24–72 hours. After making changes, wait before submitting PECOS enrollment updates.

⚠️ Risk flags

⚠️ Legal name change requires NPPES and PECOS updates. If your organization changes its legal name (e.g., after a merger or rebrand), update NPPES first, then update your Medicare enrollment record in PECOS. Name mismatches between NPPES and PECOS can cause claims processing problems.

⚠️ EIN change is effectively a new entity. If your organization’s EIN changes (common in mergers, acquisitions, or restructuring), this is treated as a new entity for Medicare enrollment purposes. A new Type 2 NPI may be required and a new enrollment application (CMS-855B) is typically needed.

⚠️ DMEPOS suppliers: accreditation must match NPI. Your DMEPOS accreditation must be issued to the same legal entity as your Type 2 NPI. If the legal entity name doesn’t match, NSC (the DMEPOS enrollment contractor) will reject the application.

Questions about Type 2 NPI setup for your organization? Ask Mae →