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WASHINGTON REGIONAL RHEUMATOLOGY
NPI 1326332461
Internal Medicine - Rheumatology in Fayetteville, AR

Active since June 07, 2011
3 E APPLEBY ROAD, SUITE 301, FAYETTEVILLE, AR 72703(479) 404-1200(479) 404-1201 Get Directions Write a Review

NPPES record last updated: June 14, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Washington Regional Rheumatology NPPES

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

WASHINGTON REGIONAL RHEUMATOLOGY (NPI 1326332461) is a healthcare organization registered as a rheumatology in Fayetteville, Arkansas and active in the NPI registry since June 2011. The organization lists Daniel R Eckels, Cfo, as its authorized official.

NPPES Registry Identity

NPI1326332461
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameWASHINGTON REGIONAL MEDICAL SYSTEM
Location Address3 E APPLEBY ROAD, SUITE 301Fayetteville, AR 72703
Mailing AddressPo Box 550Lowell, AR 72745-0550 · (479) 473-7775 · Fax (479) 463-7187
Phone(479) 404-1200
Fax(479) 404-1201
Organization SubpartNo
Authorized OfficialDaniel R EckelsCfo · (479) 463-5007
Enumeration DateJune 7, 2011
Last NPPES UpdateJune 14, 2021
NPPES CertifiedJune 14, 2021
✔ NPI 1326332461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
3 E APPLEBY ROAD, Fayetteville, AR 72703
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Other Names 1

Doing Business AsWashington Regional Rheumatology

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.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)

Washington Regional Rheumatology is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Washington Regional Rheumatology, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Jessica Chism, MD
Internal Medicine
NPI 1386868545
3276 N NORTHHILLS BLVD
Fayetteville, AR 72703
(479) 404-2300
✔ PECOS✔ Accepts Medicare0.2 mi
Christopher Sonntag, MD
Internal Medicine
NPI 1417454620
3276 N NORTHHILLS BLVD
Fayetteville, AR 72703
(479) 404-2300
✔ PECOS✔ Accepts Medicare0.2 mi
Griffin Sonaty, MD, MPH
Rheumatology
NPI 1770160673
100 EASTOWNE DR
Chapel Hill, NC 27514
(984) 974-5050
✔ PECOS848 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 Washington Regional Medical System's NPI number?

The NPI number for Washington Regional Medical System is 1326332461. It was assigned to this organization in the NPPES registry on June 7, 2011. The provider is doing business as Washington Regional Rheumatology.

Where is Washington Regional Medical System located?

Washington Regional Medical System is located at 3 E Appleby Road Suite 301, Fayetteville, AR 72703. The listed phone number is (479) 404-1200.

What is Washington Regional Medical System's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Washington Regional Medical System enrolled in Medicare?

Yes. Washington Regional Medical System is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Washington Regional Medical System?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Washington Regional Medical System, in Internal Medicine and Rheumatology. 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. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Washington Regional Medical System 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 1 other insurer list Washington Regional Medical System 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 Washington Regional Medical System was last updated on June 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.