Edward R. Kessler, M.D.

NPI 1427205699ActiveIndividual· Internal Medicine, Pulmonary Disease· McHenry, IL

Internal Medicine, Pulmonary Disease (M.D.) in McHenry, Illinois, trained at Saint Louis University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $720,583 for 1,407 claims, against $177,913 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $139.04 in all, mostly food and beverage.

Overview

NPI	1427205699
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Aug 19, 2008
Last updated in NPPES	Sep 9, 2026
Certified by provider	Sep 9, 2026

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	036132593	IL
Internal Medicine, Critical Care Medicine	207RC0200X	036132593	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	685
Services billed	2,036 across 52 procedure codes
Paid by Medicare	$177,913

Part D prescriptions in 2024

Prescriptions (claims)	1,407 · 2,018 30-day fills
Patients	320
Total drug cost	$720,583
Generic share	32% of claims

Medicare sources and data years

Education and affiliations

Medical school	Saint Louis University School of Medicine
Graduation year	2008
Medicare specialty	Pulmonary Disease
Secondary specialties	Critical Care (Intensivists)
Telehealth	Offers telehealth