Robert Balk, M.D.

NPI 1134173503ActiveIndividual· Internal Medicine, Pulmonary Disease· Chicago, IL

Internal Medicine, Pulmonary Disease (M.D.) in Chicago, Illinois, trained at University of Missouri, Kansas City, School of Medicine (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $794,803 for 1,366 claims, against $57,231 paid for services in 2024. Astrazeneca Uk Limited reported $1,000 in payments in 2025, mostly consulting fees.

Overview

NPI	1134173503
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	May 20, 2006
Last updated in NPPES	Sep 11, 2025

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	—	IL
Internal Medicine, Critical Care Medicine	207RC0200X	—	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 - Pulmonary Disease (IL)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	264
Services billed	747 across 22 procedure codes
Paid by Medicare	$57,231

Part D prescriptions in 2024

Prescriptions (claims)	1,366 · 2,137 30-day fills
Patients	227
Total drug cost	$794,803
Generic share	45% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Missouri, Kansas City, School of Medicine
Graduation year	1978
Medicare specialty	Pulmonary Disease
Secondary specialties	Critical Care (Intensivists)