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

John Yoon

Individual provider Internal Medicine Physician · NPI 1568657823

John Yoon is an Internal Medicine in Chicago, Illinois. Graduated from University of Texas Southwestern Medical School at Dallas in 2005, 21 years ago. Practices with University of Chicago, a 1,681-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
21
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
IL
In the registry since
2007
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Practice location Address checks out

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone: (888) 824-0200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036118997 (IL)

Record details

NPI number1568657823
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 10, 2007
Last updated in NPPESOctober 24, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 2005 (21 years in practice)
Group practice University Of Chicago — 1681 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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