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Dr. Steven C. Harnack, MD

Internal Medicine

  • (630) 859-6700

Dr. Harnack's Overview

Dr. Steven C. Harnack graduated from the University of Illinois, Chicago College of Medicine in 1986. He works in Aurora, IL and specializes in Internal Medicine. Dr. Harnack is affiliated with Presence Mercy Medical Center and Rush Copley Medical Center.

Dr. Harnack's Experience

Years in Practice: 29

Dr. Harnack's Specialties

Internal Medicine

Dr. Harnack's Education & Training

Medical School: University of Illinois, Chicago College of Medicine; Graduated 1986

Dr. Harnack's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Harnack's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • BCBS IL Blue Precision HMO
  • BCBSIL Blue Advantage HMO
  • BCBSIL BlueChoice Select
  • BCBSIL HMO Illinois
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Dr. Harnack's Office Information & Appointments

Office Locations

Dreyer Medical Clinic

1870 W Galena Blvd
Aurora, IL 60506
(630) 859-6700


Office Hours and Information

Fax: (630) 906-5096

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: No

Monday 8:00 AM - 5:00 PM
Tuesday 8:00 AM - 5:00 PM
Wednesday 8:00 AM - 5:00 PM
Thursday 8:00 AM - 5:00 PM
Friday 8:00 AM - 5:00 PM
Saturday 9:00 AM - 6:00 PM
Sunday 9:00 AM - 6:00 PM

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Dr. Harnack's Hospital Affiliations

Office Locations

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