PROTON INTERNATIONAL ARKANSAS, LLC
NPI 1154075257
Clinic/Center in Little Rock, AR
About Proton International Arkansas, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PROTON INTERNATIONAL ARKANSAS, LLC (NPI 1154075257) is a healthcare organization registered as a clinic/center in Little Rock, Arkansas and active in the NPI registry since February 2022. The organization lists Amanda George, Vice Chancellor For Finance & Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Proton International Arkansas, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
12Medicare enrollment records show 12 clinicians reassign Medicare billing to Proton International Arkansas, LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 7 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (12)
North Little Rock, AR 72117
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 Proton International Arkansas, LLC's NPI number?
The NPI number for Proton International Arkansas, LLC is 1154075257. It was assigned to this organization in the NPPES registry on February 8, 2022.
Where is Proton International Arkansas, LLC located?
Proton International Arkansas, LLC is located at 3900 W Capitol Ave Ste 200, Little Rock, AR 72205. The listed phone number is (630) 649-4060.
What is Proton International Arkansas, LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Proton International Arkansas, LLC enrolled in Medicare?
Yes. Proton International Arkansas, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Proton International Arkansas, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 2 Medicare specialties reassign their Medicare billing to Proton International Arkansas, 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. The largest specialties are Radiation Oncology (11) and Nurse Practitioner (1). Of these, 1 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Proton International Arkansas, LLC accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Proton International Arkansas, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Proton International Arkansas, LLC was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days 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.
# Proton International Arkansas, Llc · NPI 1154075257
Clinic/Center organization in Little Rock, Arkansas. Organization record, active in the CMS NPPES registry since February 8, 2022.
## Identity
- **NPI:** 1154075257 (Entity type: Organization)
- **Enumerated:** February 8, 2022
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Organization subpart:** No
- **Authorized official:** Amanda George, VICE CHANCELLOR FOR FINANCE & CFO
## Practice location
- **Address:** 3900 W CAPITOL AVE STE 200, Little Rock, AR 72205-5502
- **Phone:** (630) 649-4060
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 12 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Radiation Oncology (11), Nurse Practitioner (1); 1 practice at this address and 7 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1154075257) · Data from the CMS NPPES public registry.