Andrew I. Jun, MD

NPI 1841270717ActiveIndividual· Otolaryngology· Rockford, IL

Otolaryngology (MD) in Rockford, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1996). 602 Medicare patients in 2024, $5,809,342 paid; nearly all of their 1,335 Part D prescriptions were generic (98%). Janssen Biotech, Inc. was the largest of 9 companies reporting payments in 2025, $891.56 in all, mostly food and beverage.

Overview

NPI	1841270717
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jan 18, 2006
Last updated in NPPES	Jan 30, 2023
Certified by provider	Jan 30, 2023

Specialties and licenses

Taxonomy	Code	License	State
Otolaryngology Primary	207Y00000X	036104814	IL

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 - Otolaryngology (IL)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	602
Services billed	14,494 across 46 procedure codes
Paid by Medicare	$5,809,342

Part D prescriptions in 2024

Prescriptions (claims)	1,335 · 1,345 30-day fills
Patients	1,047
Total drug cost	$351,543
Generic share	98% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year	1996
Medicare specialty	Otolaryngology
Secondary specialties	Allergy/Immunology, Plastic And Reconstructive Surgery