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

Catherine Wang, MD

Individual provider Internal Medicine Physician · NPI 1891321741

Catherine Wang, MD is a Gastroenterology in Chicago, Illinois. Qualified in 2020, 6 years ago. Practices as a sole proprietor and works from 2 locations. Licensed in Illinois.

Years since qualifying
6
Licensed in
IL
In the registry since
2020
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

5140 N California Ave Ste 545
Chicago, IL 60625-3660
Phone: (773) 907-3038
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3122 N Ashland Ave, Chicago, IL 60657-3014 — (847) 657-1900

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 036164017 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036164017 (IL)

Record details

NPI number1891321741
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 22, 2020
Last updated in NPPESJune 16, 2026
Certification dateJune 16, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated

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