Registry data as of Aug 27, 2026

Cnos

Cnos holds 5 active organization NPIs in the federal registry, with practice locations in 4 cities in 3 states. 4 list orthopaedic surgery physician 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

Sioux City, IA has the most NPIs, 2

  1. Sioux City, IA2
  2. Sac City, IA1
  3. South Sioux City, NE1
  4. Dakota Dunes, SD1

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

Most NPIs were issued in 2006 and 2007

Cnos NPIs by year issued2006: 1, 2007: 1, 2008: 0, 2009: 0, 2010: 1, 2011: 0, 2012: 1, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 100.30.50.81200720092011201320152017201920212006: 1111
Cnos NPIs by year issued2006: 1, 2007: 1, 2008: 0, 2009: 0, 2010: 1, 2011: 0, 2012: 1, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 100.30.50.81200620072008200920102011201220132014201520162017201820192020202111111
Cnos NPIs by year issued2006: 1, 2007: 1, 2008: 0, 2009: 0, 2010: 1, 2011: 0, 2012: 1, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 100.30.50.81200720092011201320152017201920212006: 1111

Source: CMS NPPES, enumeration dates.

1 NPIs were issued in 2006 alone, more than in any other year; none in 11 of the years between.

Sioux City, IA locations

The city with the most Cnos NPIs. The full list of all 5 follows.

NPILocationPrimary taxonomyIssued
15887012055708 SUNNYBROOK CT, Sioux City, IAOrthopaedic Surgery PhysicianJan 31, 2007
18910575502735 OUTER DRIVE N, Sioux City, IADurable Medical Equipment & Medical SuppliesJun 8, 2012
All 5 locations, by state and city
NPILocationPrimary taxonomyIssued
1760782049211 HIGHLAND AVE, Sac City, IAOrthopaedic Surgery PhysicianNov 2, 2010
15887012055708 SUNNYBROOK CT, Sioux City, IAOrthopaedic Surgery PhysicianJan 31, 2007
18910575502735 OUTER DRIVE N, Sioux City, IADurable Medical Equipment & Medical SuppliesJun 8, 2012
1750047304201 E 4TH ST STE 202, South Sioux City, NEOrthopaedic Surgery PhysicianNov 9, 2021
1881604320575 N SIOUX POINT RD, Dakota Dunes, SDOrthopaedic Surgery PhysicianAug 8, 2006

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 Cnos have 5 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Cnos's NPIs list practice locations in 4 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.