CNOS PC
NPI 1588701205
Orthopaedic Surgery in Sioux City, IA

Active since January 31, 2007CLIA Certified · 2 labs
5708 SUNNYBROOK CT, SIOUX CITY, IA 51106(605) 217-2667(605) 217-2900 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 14, 2026, Jul 18, 2022 (2 updates tracked since 2022).

About Cnos Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CNOS PC (NPI 1588701205) is a healthcare organization registered as an orthopaedic surgery in Sioux City, Iowa and active in the NPI registry since January 2007. The organization holds 2 active CLIA laboratory certificates and lists Ryan C Meis, Physician/owner, as its authorized official.

NPPES Registry Identity

NPI1588701205
Entity TypeOrganization
Primary Taxonomy207X00000X
Legal Business NameCNOS PC
Location Address5708 SUNNYBROOK CTSioux City, IA 51106-4254
Mailing AddressPo Box 1430Dakota Dunes, SD 57049-1430 · (605) 217-2667 · Fax (605) 217-2900
Fax(605) 217-2900
Organization SubpartNo
Authorized OfficialRyan C MeisPhysician/owner · (605) 217-2667
Enumeration DateJanuary 31, 2007
Last NPPES UpdateJanuary 14, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
NPI 1588701205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 8

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X
Also ListedNeurological SurgeryTaxonomy 207T00000X
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X · License 0369 (SD)
Also ListedPlastic SurgeryTaxonomy 208200000X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
Also ListedPodiatristTaxonomy 213E00000X
Also ListedDurable Medical Equipment & Medical SuppliesTaxonomy 332B00000X · License 0369 (SD)
5708 SUNNYBROOK CT, Sioux City, IA 51106

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 16D2274761

Cnos, PC, Sunnybrook · Sioux City, IA
Active · expires Jan 9, 2027
CLIA Number16D2274761
Laboratory TypePhysician Office
Certificate Effective DateJanuary 10, 2025
Certificate Expiration DateJanuary 9, 2027
Laboratory DirectorDouglas W. Martin
Laboratory Phone(605) 217-2609
Laboratory LocationCnos, PC, Sunnybrook5708 Sunnybrook Ct, Sioux City, IA 51106
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Compliance 43D1034766

Cnos PC · Dakota Dunes, SD
Active · expires Apr 25, 2027
CLIA Number43D1034766
Laboratory TypePhysician Office
Certificate Effective DateApril 26, 2025
Certificate Expiration DateApril 25, 2027
Laboratory DirectorMichelle Daffer
Laboratory Phone(605) 217-2667
Laboratory LocationCnos PC705 Sioux Point Road Suite 100, Dakota Dunes, SD 57049
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cnos PC's NPI number?

The NPI number for Cnos PC is 1588701205. It was assigned to this organization in the NPPES registry on January 31, 2007.

Where is Cnos PC located?

Cnos PC is located at 5708 Sunnybrook Ct, Sioux City, IA 51106. The listed phone number is (605) 217-2667.

What is Cnos PC's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Does Cnos PC hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Cnos PC was last updated on January 14, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.