Physician Profile
Based in Lake Forest, IL, Stephen B. Kwak, DO is listed in the NPI registry under diagnostic radiology. Stephen is also listed as specializing in internal medicine. According to Medicare claims data, Stephen cared for 2,476 Medicare patients across 2,569 services. The services billed most often include x-ray of chest, 1 view, ct scan of chest without contrast, and x-ray of chest, 2 views.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
1000 N WESTMORELAND RD
Lake Forest, IL 60045
200 Lothrop St
Pittsburgh, PA 15213
1900 W. Harrison St. Dept of Radiology
Chicago, IL 60612
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Abdomen & Pelvis
Bone & Joint
Brain & Head
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
Urinary & kidney
Women's health
X-Ray
2,569 services · 2,476 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
255 |
| Ct scan of chest without contrast | Imaging | 71250 |
224 |
| X-ray of chest, 2 views | Imaging | 71046 |
207 |
| Ct scan of chest without contrast | Imaging | 71250 |
198 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
180 |
| X-ray of chest, 2 views | Imaging | 71046 |
153 |
| Ct scan head or brain without contrast | Imaging | 70450 |
120 |
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
114 |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
107 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
106 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Kwak is a radiologist in Lake Forest, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Dr. Kwak is listed at 1000 N Westmoreland Rd, Lake Forest, IL 60045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (847) 234-5600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Kwak's National Provider Identifier is 1831517580. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Kwak attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Dr. Kwak has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Kwak performs imaging including x-ray of chest, 1 view and ct scan of chest without contrast; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers and ultrasound study of arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kwak. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.