NORTHWEST ARKANSAS ANESTHESIA ASSOCIATES
NPI 1144247644
Anesthesiology in Siloam Springs, AR

Active since July 17, 2006
1007 RAINTREE CT, SILOAM SPRINGS, AR 72761(479) 599-5559(972) 476-0277 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Northwest Arkansas Anesthesia Associates NPPES

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

NORTHWEST ARKANSAS ANESTHESIA ASSOCIATES (NPI 1144247644) is a healthcare organization registered as an anesthesiology in Siloam Springs, Arkansas and active in the NPI registry since July 2006. The organization lists Daniel Hunt Cooper, Anesthetist Chief Of Department, as its authorized official.

NPPES Registry Identity

NPI1144247644
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameNORTHWEST ARKANSAS ANESTHESIA ASSOCIATES
Location Address1007 RAINTREE CTSiloam Springs, AR 72761-8268
Mailing AddressPo Box 1365Lowell, AR 72745-1365 · (479) 599-5559 · Fax (972) 476-0277
Fax(972) 476-0277
Organization SubpartNo
Authorized OfficialDaniel Hunt CooperAnesthetist Chief Of Department · (479) 427-8691
Enumeration DateJuly 17, 2006
Last NPPES UpdateJanuary 22, 2026
NPPES CertifiedJanuary 22, 2026
✔ NPI 1144247644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in AR · C8243
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1007 RAINTREE CT, Siloam Springs, AR 72761

Other Identifiers 3

Medicaid100728330AOK
Other5C507AR · Bcbs
Medicaid145297002AR

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Northwest Arkansas Anesthesia Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Northwest Arkansas Anesthesia Associates, which bills Medicare for the services this clinician delivers.

Clinician (1)

Anesthesiology
NPI 1538141155
1101 JACKSON ST SW
Gravette, AR 72736
(479) 787-5291
✔ PECOS✔ Accepts Medicare15 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Northwest Arkansas Anesthesia Associates's NPI number?

The NPI number for Northwest Arkansas Anesthesia Associates is 1144247644. It was assigned to this organization in the NPPES registry on July 17, 2006.

Where is Northwest Arkansas Anesthesia Associates located?

Northwest Arkansas Anesthesia Associates is located at 1007 Raintree Ct, Siloam Springs, AR 72761. The listed phone number is (479) 599-5559.

What is Northwest Arkansas Anesthesia Associates's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Northwest Arkansas Anesthesia Associates enrolled in Medicare?

Yes. Northwest Arkansas Anesthesia Associates is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Northwest Arkansas Anesthesia Associates?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Anesthesiology) reassigns their Medicare billing to Northwest Arkansas Anesthesia Associates. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Northwest Arkansas Anesthesia Associates was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.