NPPES file of Aug 9, 2026

Advanced Gi, LLC in Chicago, IL

This organization bills under NPI 1942795422, an organization record issued on Jun 27, 2018 with the primary taxonomy Gastroenterology Physician. Each clinician who works there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1942795422
Legal name
Advanced Gi, LLC
Entity
Type 2 · organization
Primary taxonomy
Gastroenterology Physician 207RG0100X
Practice location
3000 N HALSTED ST STE 623, Chicago, IL 60657
Phone
773-281-5818
Enumerated
Jun 27, 2018
Record updated
Jan 28, 2025
Authorized official
Owner (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

5 clinicians CMS lists with Advanced Gi in Chicago

  1. Carl Atallah, DOGastroenterology Physician1922269190
  2. Manish Dhamija, MDGastroenterology Physician1699977413
  3. Michael Flicker, MDGastroenterology Physician1730375627
  4. Mona Lalehzari, MDGastroenterology Physician1952838526
  5. Shixiong Liao, MDAnatomic Pathology & Clinical Pathology Physician1285698829

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

Checking an organization

  1. Confirm the business with the Illinois secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.