Wayne D. Siegel, MD

NPI 1063409191ActiveIndividual· Internal Medicine, Gastroenterology· Secaucus, NJ

Internal Medicine, Gastroenterology (MD) in Secaucus, New Jersey, trained at State University of New York at Stony Brook, School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $209,627 for 1,157 claims, against $39,479 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 4 companies reporting payments in 2025, $178.84 in all, mostly food and beverage.

Overview

NPI	1063409191
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Oct 4, 2005
Last updated in NPPES	Mar 22, 2024
Certified by provider	Mar 21, 2024

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	MA50168	NJ

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Gastroenterology (NJ)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	165
Services billed	398 across 15 procedure codes
Paid by Medicare	$39,479

Part D prescriptions in 2024

Prescriptions (claims)	1,157 · 1,963 30-day fills
Patients	373
Total drug cost	$209,627
Generic share	91% of claims

Medicare sources and data years

Education and affiliations

Medical school	State University of New York at Stony Brook, School of Medicine
Graduation year	1986
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine