Summary

Dr. Steven Harnack is an internal medicine physician who graduated from the University of Illinois at Chicago College of Medicine. With four decades of clinical experience, he brings extensive knowledge to the care of adult patients with a wide range of medical conditions. Dr. Harnack is fluent in both English and Spanish, enabling him to serve diverse patient populations effectively.

He practices at multiple hospital affiliations including Rush Copley Medical Center, Advocate Christ Medical Center, and Saint Anthony Hospital, with locations in Aurora, Illinois, and Lakewood, Colorado. Dr. Harnack focuses on treating respiratory conditions such as upper respiratory infections and various breathing problems. His practice also includes caring for patients with frequent infections, particularly in pediatric cases. Patients have given him an average rating of 2.6 on Vitals.

Overview based on verified provider data

Quick Facts

  • 2.6
  • 40 years of experience
  • speaks English, Spanish
  • University Of Illinois At Chicago College Of Medicine
  • 6 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 7 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. Steven Claus Harnack has 2 locations

Advocate Medical Group Outpatient Center

2285 Sequoia DrAurora, IL 60506
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Saint Anthony Hospital

11600 W 2nd PlLakewood, CO 80228

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Dr. Steven Claus Harnack, MDDr. Smit C Vasaiwala, MDDr. Firas Aubeid, MD, MBA, FACPDr. Peter A Santucci, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
2.6 
3.5 
4.3 
40 Years of Experience 19 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English Speaks English, Polish
Aurora , ILMaywood , ILNEW LENOX , ILMaywood , IL
Med School: University Of Illinois At Chicago College Of Medicine Med School: University Of Aleppo Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Steven Claus Harnack

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Steven Claus Harnack has the following specialty

Specialty Expertise

Dr. Steven Claus Harnack has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

40 Years Experience

Dr. Steven Claus Harnack holds an active medical license in the states of Illinois and Colorado.

Medical License

Medical Doctor with an active medical license in the state of Illinois that expires in 2026 and an active medical license in the state of Colorado that expires in 2027.

Education & Training

Medical School

Graduated from University Of Illinois At Chicago College Of Medicine in 1986.

NPI Number

Dr. Harnack's NPI number is 1982622387.

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Frequently Asked Questions

Which hospitals is Dr. Steven Harnack affiliated with?
Dr. Steven Harnack is affiliated with Rush Copley Medical Center, Prime Healthcare Mercy Medical Center, Saint Anthony Hospital, Advocate Christ Medical Center, Advocate Good Samaritan Hospital, Prime Healthcare Saint Joseph Hospital Elgin, and Rml Specialty Hospital Hinsdale.
Where is Dr. Steven Harnack's office located?
Dr. Steven Harnack's office is located at 2285 Sequoia Dr, Aurora, IL, 60506.
Is Dr. Steven Harnack accepting new patients?
Dr. Steven Harnack has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Steven Harnack speak?
Dr. Steven Harnack speaks English and Spanish.
How can I make an appointment with Dr. Steven Harnack?
You can find contact information for Dr. Steven Harnack here on Vitals.

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