Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Stephen Byungchul Kwak, DO

Individual provider Internal Medicine Physician · NPI 1831517580

Dr. Stephen Byungchul Kwak, DO is a Diagnostic Radiology in Lake Forest, Illinois. Qualified in 2014, 12 years ago. Practices with Southeast Iowa Regional Medical Center Inc, a 258-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Pennsylvania.

Years since qualifying
12
Licensed in
IL, PA
In the registry since
2014
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1000 N Westmoreland Rd
Lake Forest, IL 60045-1658
Phone: (847) 234-5600
Fax: (847) 535-7847
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1900 W. Harrison St., Chicago, IL 60612 — (312) 864-3826
  • 200 Lothrop St, Pittsburgh, PA 15213-2582 — (412) 648-6062

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 036152630 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence OT016043 (PA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 125066173 (IL)

Record details

NPI number1831517580
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 31, 2014
Last updated in NPPESSeptember 24, 2020
Certification dateSeptember 24, 2020
Mailing address1000 N Westmoreland Rd, Lake Forest, IL 60045-1658

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Southeast Iowa Regional Medical Center Inc — 258 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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