John M. Arthur, MD

NPI 1003924952ActiveIndividual· Internal Medicine, Nephrology· Little Rock, AR

Internal Medicine, Nephrology (MD) in Little Rock, Arkansas, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $12,211 for 176 claims, against $5,928 paid for services in 2024. Travere Therapeutics, Inc. reported $64.34 in payments in 2024, mostly education.

Overview

NPI	1003924952
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Aug 29, 2006
Last updated in NPPES	Sep 14, 2016

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Nephrology Primary	207RN0300X	E-9280	AR

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Nephrology (AR)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	57
Services billed	97 across 10 procedure codes
Paid by Medicare	$5,928

Part D prescriptions in 2024

Prescriptions (claims)	176 · 380 30-day fills
Patients	43
Total drug cost	$12,211
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Iowa, Rj & L Carver College of Medicine
Graduation year	1990
Medicare specialty	Nephrology
Secondary specialties	Internal Medicine