Northwest Arkansas Anesthesia Associates

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

C8243 Issued in AR

Legal business name

NORTHWEST ARKANSAS ANESTHESIA ASSOCIATES

Practice address

1007 Raintree CT
Siloam Springs, AR 72761-8268

Phone

(479) 599-5559

Fax

(972) 476-0277

NPI assigned

Jul 17, 2006

Organization subpart

No

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

Authorized official

Name

Dr. Daniel Hunt Cooper, MDNPI 1538141155

Title

Anesthetist Chief of Department

Phone

(479) 427-8691

Specialties & licenses 1

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in AR

Enrollment records 1

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Daniel Hunt Cooper, MD

  • Anesthesiology Physician
  • Gravette, AR
  • NPI 1538141155
  Medicare reassignment Authorized official
• Rich McVay

  • Anesthesiologist Assistant
  • Siloam Springs, AR
  • NPI 1518996123
  NPD (past)
• Tomasz Woloszyn, MD

  • Anesthesiology Physician
  • Nellis Afb, NV
  • NPI 1174613640
  NPD (past)

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

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769040000000",
    "number": "1144247644",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1365",
            "city": "LOWELL",
            "state": "AR",
            "postal_code": "727451365",
            "telephone_number": "479-599-5559",
            "fax_number": "972-476-0277"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1007 RAINTREE CT",
            "city": "SILOAM SPRINGS",
            "state": "AR",
            "postal_code": "727618268",
            "telephone_number": "479-599-5559",
            "fax_number": "972-476-0277"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "NORTHWEST ARKANSAS ANESTHESIA ASSOCIATES",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-17",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A",
        "authorized_official_last_name": "COOPER",
        "authorized_official_first_name": "DANIEL",
        "authorized_official_middle_name": "HUNT",
        "authorized_official_title_or_position": "ANESTHETIST CHIEF OF DEPARTMENT",
        "authorized_official_telephone_number": "479-427-8691",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Anesthesiology",
            "state": "AR",
            "license": "C8243",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100728330A",
            "state": "OK"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "5C507",
            "state": "AR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "145297002",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Jonah John Newsom
• James Cody Newton
• Brian Stephen Nitz, ATC
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• Kayleigh O'Brien
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• Amy Brooke Oliver, LPC

• Anesthesiology Physician in Siloam Springs, AR
• Providers in Siloam Springs, AR by specialty
• Anesthesiology Physician in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 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.