Catherine Caldwell Spiller, MD

NPI 1033131040ActiveIndividual· Pediatrics· Walker, LA

Pediatrics (MD) in Walker, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $903,863 for 6,727 claims, against $39,260 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 19 companies reporting payments in 2025, $1,478 in all, mostly food and beverage.

Overview

NPI	1033131040
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jul 25, 2006
Last updated in NPPES	Apr 20, 2021
Certified by provider	Apr 20, 2021

Specialties and licenses

Taxonomy	Code	License	State
Pediatrics Primary	208000000X	024966	LA
Internal Medicine	207R00000X	024966	LA

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 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Pediatric Medicine (LA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	103
Services billed	641 across 43 procedure codes
Paid by Medicare	$39,260

Part D prescriptions in 2024

Prescriptions (claims)	6,727 · 14,712 30-day fills
Patients	435
Total drug cost	$903,863
Generic share	84% of claims

Medicare sources and data years

Education and affiliations

Medical school	Louisiana State University School of Medicine in New Orleans
Graduation year	2000
Medicare specialty	Pediatric Medicine
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth