Claire G. Urbaszewski, M.D.

NPI 1548426919ActiveIndividual· Hospitalist· Arlington Heights, IL

Hospitalist (M.D.) in Arlington Heights, Illinois, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 2008). 433 Medicare patients in 2024, $130,798 paid; nearly all of their 348 Part D prescriptions were generic (91%). Merck Sharp & Dohme LLC reported $22.73 in payments in 2024, mostly food and beverage.

Overview

NPI	1548426919
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Aug 5, 2008
Last updated in NPPES	Dec 18, 2025
Certified by provider	Dec 18, 2025

Specialties and licenses

Taxonomy	Code	License	State
Hospitalist Primary	208M00000X	036127629	IL
Family Medicine	207Q00000X	036.127629	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 - Hospitalist (IL)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	433
Services billed	1,312 across 10 procedure codes
Paid by Medicare	$130,798

Part D prescriptions in 2024

Prescriptions (claims)	348 · 448 30-day fills
Patients	171
Total drug cost	$27,703
Generic share	91% of claims

Medicare sources and data years

Education and affiliations

Medical school	R Franklin University of Med & Sci/Chicago Medical School
Graduation year	2008
Medicare specialty	Hospitalist
Secondary specialties	Family Practice