DANIEL GRZEGOREK, D.O.
THE 83RD. PROFESSIONAL GROUP
Direct Primary Care
Male provider·Accepting new patients
Willowbrook, Illinois
Compassionate primary care for a healthy life.
Credentials & Training
Federally verified- Credential
- DO
- Medical school
- Chicago College of Osteopathy
- Graduated
- 1992
- Medicare specialty
- Internal Medicine
- Group practice
- Dupage Medical Group Ltd · 1,326 clinicians
- Medicare assignment
- Accepted — bills the Medicare-approved amount as payment in full
Sourced from the CMS Doctors & Clinicians national file, last checked October 2026.
About
Dr. Grzegorek is an Internal Medicine Physician providing comprehensive care to individuals in Willowbrook, Illinois.
The practice offers direct-pay membership, allowing patients to pay a fixed fee for primary care services.
Areas of Focus
Cardiovascular DiseaseChronic Fatigue SyndromeHypertensionType 2 DiabetesWellness and Preventive Care
Specialties
Patients Served
AdultsAll Ages
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