Dr. Harnack is on Doximity
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Office
2285 Sequoia Dr
Aurora, IL 60506Phone+1 630-859-6700Fax+1 630-906-5970
Education & Training
- Loyola University Medical Center/Trinity-Mercy ChicagoResidency, Internal Medicine, 1987 - 1990
- University of Illinois College of MedicineClass of 1986
Certifications & Licensure![](https://directory.doximity.com/assets/icons/icon-help-e9f0b148a1e6d1f037dde9f26f025c36bd7c99fd4fe31fd76792996fa2aa5e66.svg)
- IL State Medical License 1989 - 2026
- NE State Medical License 2022 - 2026
- NM State Medical License 2023 - 2026
- MO State Medical License 2023 - 2026
- AK State Medical License 2022 - 2026
- MD State Medical License 2022 - 2026
- MA State Medical License 2024 - 2026
- American Board of Internal Medicine Internal Medicine
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Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2011-2013
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