Illinois Gastroenterology Group, LLC
NPI 1316277817 · Gastroenterology Physician · Elgin, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Illinois Gastroenterology Group, LLC is a Gastroenterology Physician organization in Elgin, IL (NPI 1316277817).
Provider details
- NPI number
- 1316277817
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mitchell Bernsen, Physician(847) 439-1005
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
Other names (DBA / former)
- Other name
- Gi Alliance of Illinois
Registry dates
- Enumerated
- 2010-01-05
- Last updated
- 2022-11-01
- Certified
- 2022-11-01
Frequently asked questions
- What is Illinois Gastroenterology Group, LLC's NPI number?
- Illinois Gastroenterology Group, LLC's National Provider Identifier (NPI) is 1316277817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Illinois Gastroenterology Group, LLC?
- Illinois Gastroenterology Group, LLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Illinois Gastroenterology Group, LLC located?
- Illinois Gastroenterology Group, LLC's practice location on file with NPPES is 745 Fletcher Drive, Elgin, IL 60123-4747.
- What is Illinois Gastroenterology Group, LLC's phone number?
- The practice phone number listed in the NPPES registry for Illinois Gastroenterology Group, LLC is (847) 888-1300.
- Does Illinois Gastroenterology Group, LLC accept Medicare?
- Illinois Gastroenterology Group, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Illinois Gastroenterology Group, LLC?
- The authorized official listed on Illinois Gastroenterology Group, LLC's NPPES record is Mitchell Bernsen, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Illinois Gastroenterology Group, LLC's NPI active?
- Yes — Illinois Gastroenterology Group, LLC's NPI (1316277817) is active in the NPPES registry as of the last update on 2022-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.