Gastroenterologists in Illinois
- Gastroenterologists
- 841
- Linked to a hospital or group
- 729
- Hospitals with a gastroenterologist
- 147
- Medical groups with a gastroenterologist
- 120
- Cities
- 117
There are 841 gastroenterologists in Illinois. Northwestern Medical Faculty Foundation has the most, 88, and Northwestern Medicine Central DuPage Hospital has the most affiliated gastroenterologists, 102. Chicago is home to 256, and 40% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 841 Illinois gastroenterologists
Validated work emails and mobile numbers for Illinois gastroenterologists, found through healthcare waterfall enrichment, with a free Dmand AI account.
Illinois gastroenterologists, listed A to Z by last name
Each gastroenterologist on the list has gastroenterology as their primary specialty and an Illinois practice address. The list shows the NPI and city, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
Filter this list with a free account
Sort and filter all 841 Illinois gastroenterologists by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.
Showing 1 to 10 of 771 Illinois gastroenterologists
The list shows the 771 gastroenterologists with a public profile. The other 70 are counted in the total and searchable with a free account.
Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
For health IT teams
Dmand AI has the EHR for 790 of 841 Illinois gastroenterologists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
Northwestern Medical Faculty Foundation has the most gastroenterologists in Illinois, with 88
GI Alliance of Illinois is second with 74, and Endeavor Health Medical Group third with 68. Counts are gastroenterologists with an Illinois address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Northwestern Medicine Central DuPage Hospital has the most affiliated gastroenterologists in Illinois, with 102
Evanston Hospital is second with 73, and Northwestern Memorial Hospital third with 62. Illinois gastroenterologists are affiliated with 147 hospitals in all.
See every hospital and group for each Illinois gastroenterologist
Each public profile names one place a gastroenterologist practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Chicago has the most gastroenterologists in Illinois, with 256
More Illinois cities with gastroenterologists
Gastroenterologists practice in 117 Illinois cities. Every city with 10 or more has its own page.
Source: NPPES NPI Registry (CMS)
Most Illinois gastroenterologists practice at a hospital: 626 of the 719 with a mapped site
501 also practice at a medical group site, and 116 at an ambulatory surgery center. A gastroenterologist can practice at several kinds of site, so the shares overlap.
Illinois gastroenterologists by site of care
- Hospitals626
- Medical group practices501
- Ambulatory surgery centers116
- Physician offices59
- Breast imaging centers42
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
40% of Illinois gastroenterologists finished medical school 30 or more years ago
263 of the 662 Illinois gastroenterologists with a graduation year on file. 53 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago53
- 10 to 19 years ago181
- 20 to 29 years ago165
- 30 to 39 years ago119
- 40 or more years ago144
Source: Dmand AI Professional Profile Data
Every Illinois gastroenterologist profile shows current hospitals and groups, Medicare activity and NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the Illinois gastroenterologist directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Gastroenterologists are HCPs whose primary specialty is gastroenterology (taxonomy code 207RG0100X), with an active NPI and an Illinois practice address.
FAQ
Frequently asked questions about gastroenterologists in Illinois
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many gastroenterologists are in Illinois?
841 gastroenterologists have an active NPI, an Illinois practice address and gastroenterology (taxonomy code 207RG0100X) as their primary specialty. 729 of them are linked to a hospital or medical group.
Which Illinois medical groups have the most gastroenterologists?
Northwestern Medical Faculty Foundation, with 88, followed by GI Alliance of Illinois with 74 and Endeavor Health Medical Group with 68.
Which Illinois hospitals have the most gastroenterologists?
Northwestern Medicine Central DuPage Hospital, with 102 affiliated gastroenterologists, followed by Evanston Hospital with 73 and Northwestern Memorial Hospital with 62.
Which Illinois cities have the most gastroenterologists?
Chicago, with 256, followed by Evanston (30) and Peoria (29). Gastroenterologists practice in 117 Illinois cities in all.
How many Illinois gastroenterologists finished medical school 30 or more years ago?
263 of the 662 with a graduation year on file, or 40%. 53 graduated in the last 10 years.
What is the taxonomy code for gastroenterology?
207RG0100X is the NPPES taxonomy code for gastroenterology. Sub-specialties with their own code are counted on their own lists.
How can I contact gastroenterologists in Illinois?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for gastroenterologists in Illinois through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.
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Find the right contacts among Illinois gastroenterologists
Search 841 Illinois gastroenterologists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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