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

I W Chang MD Professional Corp

Organization Gastroenterology Physician · NPI 1700072352

I W Chang MD Professional Corp is a Gastroenterology Physician in Munster, Indiana. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
Corp — Corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

9030 Columbia Ave
Munster, IN 46321-2905
Phone: (219) 836-6002
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X

Record details

NPI number1700072352
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official I. Chang — President · (219) 836-6002
NPI enumeratedSeptember 18, 2007
Last updated in NPPESSeptember 15, 2014
Mailing address9030 Columbia Ave, Munster, IN 46321-2905

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