Cnos, PC

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

Legal business name

CNOS, PC

Practice address

201 E 4TH St Ste 202
South Sioux City, NE 68776-9928

Phone

(605) 217-2667

Fax

(605) 217-2900

NPI assigned

Nov 9, 2021

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

MD/Board Member

Phone

(605) 217-2667

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NE

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

  • Durable Medical Equipment & Medical Supplies
  • Sioux City, IA
  • NPI 1891057550

  4284548942

  Same PAC ID

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Tax ID family

Center for Neurosciences O3 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

  • Durable Medical Equipment & Medical Supplies
  • Sioux City, IA
  • NPI 1891057550
  NPD tax ID

Locations

Practitioners 100

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
  NPD Authorized official
• Chelsea Mariah McCrone, PA-C

  • Physician Assistant
  • Verdigre, NE
  • NPI 1023495611
  NPD
• William E Thorell, MD

  • Neurological Surgery Physician
  • Omaha, NE
  • NPI 1033169743
  NPD
• Tyson David Allen

  • Surgical Physician Assistant
  • Dakota Dunes, SD
  • NPI 1053911123
  NPD
• Aaron Timothy Althaus, MD

  • Orthopaedic Surgery Physician
  • Dakota Dunes, SD
  • NPI 1518195619
  NPD
• Trisha Marie Anderson, PA-C

  • Surgical Physician Assistant
  • Dakota Dunes, SD
  • NPI 1932734191
  NPD
• Margaret Kristine Andriano-Hazel, PT

  • Physical Therapist
  • Dakota Dunes, SD
  • NPI 1265128250
  NPD
• Maria A Azpeitia, NP

  • Family Nurse Practitioner
  • Dakota Dunes, SD
  • NPI 1356827968
  NPD
• Tiffany Leann Becker, PT

  • Physical Therapist
  • Dakota Dunes, SD
  • NPI 1699059246
  NPD
• Chase Beiermann, PA

  • Surgical Physician Assistant
  • Dakota Dunes, SD
  • NPI 1205362282
  NPD
• Alison Marie Berger, NP-C

  • Nurse Practitioner
  • Sioux City, IA
  • NPI 1174047781
  NPD
• Benjamin T. Bissell, M.D.

  • Orthopaedic Surgery Physician
  • Dakota Dunes, SD
  • NPI 1265582712
  NPD

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

{
    "created_epoch": "1636416000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768348800000",
    "number": "1750047304",
    "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": "201 E 4TH ST STE 202",
            "city": "SOUTH SIOUX CITY",
            "state": "NE",
            "postal_code": "687769928",
            "telephone_number": "605-217-2667",
            "fax_number": "605-217-2900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CNOS, PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-11-09",
        "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": "MD/BOARD MEMBER",
        "authorized_official_telephone_number": "605-217-2667",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Orthopaedic Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael Howard Cheever
• Ifan Chen, ARNP
• Morgan Christensen
• City of South Sioux City Nebr (South Sioux City Fire Department)
• Ella Claren
• Jay E Collier, PT
• Community Rehab LLC (ATI Physical Thearpy)
• Jenna Marie Comstock, ARNP
• Bridget Conley
• Continental Care Alf LLC

• Orthopaedic Surgery Physician in South Sioux City, NE
• Providers in South Sioux City, NE by specialty
• Orthopaedic Surgery Physician in Nebraska

• 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.