Registry data as of Aug 27, 2026

D4 Performance Lab

D4 Performance Lab holds 2 active organization NPIs in the federal registry, with practice locations in 2 cities in 2 states. 1 list physical therapy clinic/center as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Suffield, CT has the most NPIs, 1

  1. Suffield, CT1
  2. Hanover, MA1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

NPIs by year issued

D4 Performance Lab NPIs by year issued2025: 200.511.5220252
D4 Performance Lab NPIs by year issued2025: 200.511.5220252
D4 Performance Lab NPIs by year issued2025: 200.511.5220252

Source: CMS NPPES, enumeration dates.

2 NPIs were issued in 2025 alone, more than in any other year.

Suffield, CT locations

The city with the most D4 Performance Lab NPIs. The full list of all 2 follows.

NPILocationPrimary taxonomyIssued
1750196424230C MOUNTAIN RD, Suffield, CTPhysical Therapy Clinic/CenterFeb 10, 2025
All 2 locations, by state and city
NPILocationPrimary taxonomyIssued
1750196424230C MOUNTAIN RD, Suffield, CTPhysical Therapy Clinic/CenterFeb 10, 2025
1891666392228 COLUMBIA RD, Hanover, MAOrthopedic Physical TherapistSep 16, 2025

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does D4 Performance Lab have 2 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. D4 Performance Lab's NPIs list practice locations in 2 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.