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

Zachary Nan

Individual provider Internal Medicine Physician · NPI 1598523755

Zachary Nan is an Internal Medicine Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2024

Practice location Address checks out

5841 S Maryland Ave M/c 7082
Chicago, IL 60637-1443
Phone: (774) 702-6840
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125.085699 (IL)

Record details

NPI number1598523755
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 11, 2024
Last updated in NPPESMay 12, 2025
Certification dateMay 12, 2025

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