Summary

With 40 years in internal medicine, Dr. Steven Harnack treats upper respiratory infection, frequent infections in children, and respiratory problems. He speaks English and Spanish.

Dr. Harnack earned his medical degree from the University of Illinois at Chicago College of Medicine and 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. He sees patients in Aurora, Illinois and Lakewood, Colorado.

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
  • 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, MD
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Dr. Steven Claus Harnack, MDDr. Firas Aubeid, MD, MBA, FACPDr. Niraj Shah, MDDr. Adewumi Bakare DMSc, PA-C
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
2.6 
5 
0 
0 
40 Years of Experience 19 Years of Experience 16 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English, Spanish Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin)
Aurora , ILNew Lenox , ILJoliet , ILMesquite , TX
Med School: University Of Illinois At Chicago College Of Medicine Med School: University Of Aleppo Faculty Of Medicine Med School: Rush Medical College Of Rush University Medical Center Med School: University of Lynchburg - DMSc
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 active and expired medical licenses in the states of Colorado and Illinois.

Medical License

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

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

What languages does Dr. Steven Harnack speak?
Dr. Steven Harnack speaks English and Spanish.
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.
Does Dr. Steven Harnack accept my insurance?
You can see the insurance plans that Dr. Steven Harnack accepts on their Vitals profile.
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.
Does Dr. Steven Harnack accept virtual/telehealth appointments?
Dr. Steven Harnack has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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