Barbara Jean Opalka, D.O.

NPI 1063404150ActiveIndividual· Family Medicine· Naperville, IL

Family Medicine (D.O.) in Naperville, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $384,176 for 2,855 claims, against $48,806 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 10 companies reporting payments in 2025, $728.70 in all, mostly food and beverage.

Overview

NPI	1063404150
Status	Active
Entity type	Individual
Credential	D.O.
Sole proprietor	No
NPI issued	Aug 16, 2005
Last updated in NPPES	Jul 8, 2007

Specialties and licenses

Taxonomy	Code	License	State
Family Medicine Primary	207Q00000X	—	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 - Family Practice (IL)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	161
Services billed	585 across 18 procedure codes
Paid by Medicare	$48,806

Part D prescriptions in 2024

Prescriptions (claims)	2,855 · 6,245 30-day fills
Patients	216
Total drug cost	$384,176
Generic share	84% of claims

Medicare sources and data years

Education and affiliations

Medical school	Midwestern University, Chicago College of Osteopathic Med
Graduation year	1993
Medicare specialty	Family Practice
Telehealth	Offers telehealth