Individual provider Active NPI

Christopher A Cox

  • Certified Registered Nurse Anesthetist
  • Little Rock, AR
National Provider Identifier
1972437077
Registry record updated Jul 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
237882 Issued in AR
Practice address
4301 W Markham St # 515
Little Rock, AR 72205-7101
Phone
(501) 686-8000
Fax
(501) 526-5148
NPI assigned
Jun 11, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 237882 AR Primary

Addresses

Primary practice location

4301 W Markham St # 515
Little Rock, AR 72205-7101

Mailing address

4301 W Markham St # 783
Little Rock, AR 72205-7101
Phone (501) 686-8000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2026
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Arkansas for Medical SciencesGroup PAC ID 4082528955, shared by 29 NPIs, 1,159 clinicians

Practice addresses (Care Compare)

4301 W Markam St
Little Rock, AR 72205-7101
Phone (501) 686-8000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

NPI Registry JSON

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

{
    "created_epoch": "1781136000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1972437077",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4301 W MARKHAM ST # 783",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722057101",
            "telephone_number": "501-686-8000",
            "fax_number": "501-526-5148"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4301 W MARKHAM ST # 515",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722057101",
            "telephone_number": "501-686-8000",
            "fax_number": "501-526-5148"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COX",
        "first_name": "CHRISTOPHER",
        "middle_name": "A",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-06-11",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "AR",
            "license": "237882",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Little Rock, AR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.