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Summary
Dr. Stephen Kwak specializes in internal medicine and diagnostic radiology, bringing 12 years of experience to patient care. He earned his medical degree from A.T. Still University College of Osteopathic Medicine and completed his residency training at Geisinger Medical Center. His dual specialty background allows him to provide comprehensive internal medicine care while also interpreting advanced imaging studies for accurate diagnoses.
Dr. Kwak practices at multiple Northwestern Medicine locations throughout Chicago, Lake Forest, and Grayslake, Illinois. His expertise includes evaluating patients with altered consciousness levels and diagnosing chest wall pain. He performs essential imaging procedures such as chest X-rays, CT scans, and chest fluoroscopy to help identify medical conditions and guide treatment decisions.
Dr. Kwak practices at multiple Northwestern Medicine locations throughout Chicago, Lake Forest, and Grayslake, Illinois. His expertise includes evaluating patients with altered consciousness levels and diagnosing chest wall pain. He performs essential imaging procedures such as chest X-rays, CT scans, and chest fluoroscopy to help identify medical conditions and guide treatment decisions.
Overview based on verified provider data
Quick Facts
- 12 years of experience
- Geisinger Medical Center
- 2 specialties
- 6 areas of expertise
- 3 hospital affiliations
- 7 office locations
- Male
Office Locations
Dr. Stephen Byungchul Kwak has 7 locationsNorthwestern Medicine Diagnostic Imaging Lake Forest Hospital
1000 N Westmoreland Rd Prentice Women's Hospital, 4th FlrLake Forest, IL 60045Northwestern Medicine Department of Radiology
676 N St Clair St Arkes Pavilion, Ste 800Chicago, IL 60611Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed
Northwestern Medicine Diagnostic Imaging Lake Forest Hospital
1000 N Westmoreland RdLake Forest, IL 60045Northwestern Medicine Prentice Womens Hospital
250 E Superior StChicago, IL 60611 Tel: (312) 926-2000
Northwestern Medical Group Radiology
676 N Saint Clair St Ste 800Chicago, IL 60611 Tel: (312) 695-5753
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. Stephen Byungchul Kwak, DO | Dr. Elizabeth Nodine, MD | Dr. May Soong, MD | Dr. Firas Aubeid, MD, MBA, FACP |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 12 Years of Experience | 17 Years of Experience | 19 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | |
| Grayslake , IL | Waukegan , IL | Rolling Meadows , IL | New Lenox , IL |
| Med School: A T Still University College Of Osteopathic Medicine | Med School: Northwestern University Feinberg School Of Medicine | Med School: University Of Aleppo Faculty Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Stephen Byungchul Kwak
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Stephen Byungchul Kwak has the following 2 specialties
Specialty Expertise
Dr. Stephen Byungchul Kwak has the following 6 areas of expertise
Certifications, License, & Education
12 Years Experience
Dr. Stephen Byungchul Kwak holds an expired medical license in the state of Illinois.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Illinois that expired in 2026.
Education & Training
Residency
Completed their residency at Geisinger Medical Center.
Medical School
Graduated from A T Still University College Of Osteopathic Medicine in 2014.
NPI Number
Dr. Kwak's NPI number is 1831517580.
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Frequently Asked Questions
- Which hospitals is Dr. Stephen Kwak affiliated with?
- Dr. Stephen Kwak is affiliated with Northwestern Memorial Hospital, Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital, and Northwestern Medicine Prentice Womens Hospital.
- Does Dr. Stephen Kwak accept virtual/telehealth appointments?
- Dr. Stephen Kwak has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Is Dr. Stephen Kwak accepting new patients?
- Dr. Stephen Kwak has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Stephen Kwak's office located?
- Dr. Stephen Kwak's office is located at 1275 E Belvidere Rd Ste 200, Grayslake, IL, 60030.
- Does Dr. Stephen Kwak accept my insurance?
- You can see the insurance plans that Dr. Stephen Kwak accepts on their Vitals profile.
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