Cnos, PC

Primary specialty

Durable Medical Equipment & Medical SuppliesTaxonomy code 332B00000X

Legal business name

CNOS, PC

Practice address

2735 Outer Drive N
Sioux City, IA 51104-1590

Phone

(605) 217-2667

Fax

(605) 217-2900

NPI assigned

Jun 8, 2012

Last updated

Jan 14, 2026By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Ryan C Meis, MDNPI 1053314385

Title

Owner/Board Member

Phone

(605) 217-2667

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in IA

Enrollment records 1

Other NPIs with the same Medicare PAC ID 3

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

• Cnos PC

  • Orthopaedic Surgery Physician
  • Sioux City, IA
  • NPI 1588701205

  4284548942

  Same PAC ID
• Cnos PC

  • Orthopaedic Surgery Physician
  • Dakota Dunes, SD
  • NPI 1881604320

  4284548942

  Same PAC ID
• Cnos, PC

  • Orthopaedic Surgery Physician
  • South Sioux City, NE
  • NPI 1750047304

  4284548942

  Same PAC ID

Tax ID family

Center for Neuroscience3 organizations share this tax ID, including this one

Other organizations with this tax ID 2

Organizations that report the same tax identification number in the National Provider Directory.

• Cnos PC

  • Orthopaedic Surgery Physician
  • Sioux City, IA
  • NPI 1588701205
  NPD tax ID
• Cnos, PC

  • Orthopaedic Surgery Physician
  • South Sioux City, NE
  • NPI 1750047304
  NPD tax ID

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Ryan Christopher Meis, MD

  • Orthopaedic Surgery Physician
  • Dakota Dunes, SD
  • NPI 1053314385
  Authorized official Same address or phone

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1339113600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768348800000",
    "number": "1891057550",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "575 N SIOUX POINT RD",
            "city": "DAKOTA DUNES",
            "state": "SD",
            "postal_code": "570495312",
            "telephone_number": "605-217-2667",
            "fax_number": "605-217-2900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2735 OUTER DRIVE N",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511041590",
            "telephone_number": "605-217-2667",
            "fax_number": "605-217-2900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CNOS, PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2012-06-08",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A",
        "authorized_official_last_name": "MEIS",
        "authorized_official_first_name": "RYAN",
        "authorized_official_middle_name": "C",
        "authorized_official_title_or_position": "OWNER/BOARD MEMBER",
        "authorized_official_telephone_number": "605-217-2667",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "332B00000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rebecca Clark
• Andi Clayton
• Clifford J Meylor DC PC
• Peter Cmorej, M.D.
• Cnos PC
• Tina Ann Cobbs, BCBA
• Virginia Dean Cochran
• Marcelina Cockburn, CADC
• Paul Douglas Coffin, D.P.M.
• Allen Cogswell, CRNA

• Durable Medical Equipment & Medical Supplies in Sioux City, IA
• Providers in Sioux City, IA by specialty
• Durable Medical Equipment & Medical Supplies in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.