I W Chang MD Professional Corp
NPI 1700072352 · Gastroenterology Physician · Munster, IN
I W Chang MD Professional Corp is a Gastroenterology Physician organization in Munster, IN (NPI 1700072352).
Provider details
- NPI number
- 1700072352
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- I. Chang, President(219) 836-6002
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-09-18
- Last updated
- 2014-09-15
Frequently asked questions
- What is I W Chang MD Professional Corp's NPI number?
- I W Chang MD Professional Corp's National Provider Identifier (NPI) is 1700072352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is I W Chang MD Professional Corp?
- I W Chang MD Professional Corp is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is I W Chang MD Professional Corp located?
- I W Chang MD Professional Corp's practice location on file with NPPES is 9030 Columbia Ave, Munster, IN 46321-2905.
- What is I W Chang MD Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for I W Chang MD Professional Corp is (219) 836-6002.
- Who is the authorized official for I W Chang MD Professional Corp?
- The authorized official listed on I W Chang MD Professional Corp's NPPES record is I. Chang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is I W Chang MD Professional Corp's NPI active?
- Yes — I W Chang MD Professional Corp's NPI (1700072352) is active in the NPPES registry as of the last update on 2014-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.