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SOUTH ARKANSAS RT ASSOCIATES LLC
NPI 1104125616
Radiology - Radiation Oncology in El Dorado, AR

Active since March 23, 2011
503 THOMPSON AVE, EL DORADO, AR 71730(870) 864-0318(870) 862-9660 Get Directions Write a Review

NPPES record last updated: June 25, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About South Arkansas Rt Associates Llc NPPES

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

SOUTH ARKANSAS RT ASSOCIATES LLC (NPI 1104125616) is a healthcare organization registered as a radiation oncology in El Dorado, Arkansas and active in the NPI registry since March 2011. The organization lists Armando J Rosell, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1104125616
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NameSOUTH ARKANSAS RT ASSOCIATES LLC
Location Address503 THOMPSON AVEEl Dorado, AR 71730-4555
Mailing Address236 Nw 62nd StOklahoma City, OK 73118-7422 · (405) 775-4420 · Fax (405) 841-9385
Phone(870) 864-0318
Fax(870) 862-9660
Organization SubpartNo
Authorized OfficialArmando J RosellAuthorized Official · (405) 702-0888
Enumeration DateMarch 23, 2011
Last NPPES UpdateJune 25, 2019
✔ NPI 1104125616 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
503 THOMPSON AVE, El Dorado, AR 71730
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

South Arkansas Rt Associates Llc 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 South Arkansas Rt Associates LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Van Woo, MD
Radiation Oncology
NPI 1578502324
3300 NW 56TH ST FL LL100
Oklahoma City, OK 73112
(405) 488-0700
✔ PECOS✔ Accepts Medicare322 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 South Arkansas Rt Associates LLC's NPI number?

The NPI number for South Arkansas Rt Associates LLC is 1104125616. It was assigned to this organization in the NPPES registry on March 23, 2011.

Where is South Arkansas Rt Associates LLC located?

South Arkansas Rt Associates LLC is located at 503 Thompson Ave, El Dorado, AR 71730. The listed phone number is (870) 864-0318.

What is South Arkansas Rt Associates LLC's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is South Arkansas Rt Associates LLC enrolled in Medicare?

Yes. South Arkansas Rt Associates LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through South Arkansas Rt Associates LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Radiation Oncology) reassigns their Medicare billing to South Arkansas Rt Associates LLC. 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 South Arkansas Rt Associates LLC was last updated on June 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.