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

Michael Sun, MD

Individual provider Internal Medicine Physician · NPI 1124718416

Michael Sun, MD is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2023.

Licensed in
IL
In the registry since
2023
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

251 E Huron St
Chicago, IL 60611-3055
Phone: (312) 926-2000
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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 125081778 (IL)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 1124718416 (IL)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 1124718416 (IL)

Record details

NPI number1124718416
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 10, 2023
Last updated in NPPESJune 12, 2026
Certification dateJune 12, 2026

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