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

Eric J Y Chang, MD

Individual provider Internal Medicine Physician · NPI 1831984780

Eric J Y Chang, MD is an Internal Medicine Physician in Chicago, Illinois. Licensed in California and Illinois. Registered with an NPI since 2025.

Licensed in
CA, IL
In the registry since
2025
Specialties on file
2
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

5841 S Maryland Ave Mc 2026 Rm J-141
Chicago, IL 60637-1473
Phone: (773) 702-9662
Fax: (773) 702-1161
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 125.087084 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 17953 (CA)

Record details

NPI number1831984780
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 11, 2025
Last updated in NPPESJune 4, 2026
Certification dateJune 4, 2026

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