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ADVANCED GI, LLC
NPI 1942795422
Internal Medicine - Gastroenterology in Chicago, IL

Active since June 27, 2018CLIA 14D2323400 · Certificate of Compliance
3000 N HALSTED ST STE 623, CHICAGO, IL 60657(773) 281-5818(773) 281-6859 Get Directions Write a Review

NPPES record last updated: January 28, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 24, 2018, Aug 20, 2018, Jun 28, 2018 (3 updates tracked since 2018).

About Advanced Gi, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADVANCED GI, LLC (NPI 1942795422) is a healthcare organization registered as a gastroenterology in Chicago, Illinois and active in the NPI registry since June 2018. The organization holds a CLIA Certificate of Compliance certificate valid through May 5, 2027 and lists Carl Atallah, Owner, as its authorized official.

NPPES Registry Identity

NPI1942795422
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameADVANCED GI, LLC
Location Address3000 N HALSTED ST STE 623Chicago, IL 60657-5196
Mailing Address3000 N Halsted St Ste 623Chicago, IL 60657-5196 · (773) 281-5818 · Fax (773) 281-6859
Phone(773) 281-5818
Fax(773) 281-6859
Organization SubpartNo
Authorized OfficialCarl AtallahOwner · (773) 281-5818
Enumeration DateJune 27, 2018
Last NPPES UpdateJanuary 28, 20253 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2025
✔ NPI 1942795422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
3000 N HALSTED ST STE 623, Chicago, IL 60657
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 14D2323400

Advanced Gi LLC · Chicago, IL
Active · expires May 5, 2027
CLIA Number14D2323400
Laboratory TypePhysician Office
Certificate Effective DateMay 6, 2025
Certificate Expiration DateMay 5, 2027
Laboratory DirectorShiwen Song
Laboratory Phone(773) 281-5818
Laboratory LocationAdvanced Gi LLC3000 N Halsted St, Suite 623, Chicago, IL 60657
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHIYOKO RANDO PA-C
Physician Assistant
3000 N HALSTED ST STE 623
CHICAGO, IL 60657
Cook County (773) 281-5818
KRISTIN LEE KEATING PA-C
Physician Assistant
3000 N HALSTED ST STE 623
CHICAGO, IL 60657
Cook County (773) 281-5818
DR. MANISH KUMAR DHAMIJA M.D.
Internal Medicine (Gastroenterology)
3000 N HALSTED ST STE 623
CHICAGO, IL 60657
Cook County (773) 281-5818
DR. MICHAEL FLICKER M.D.
Internal Medicine (Gastroenterology)
3000 N HALSTED ST STE 623
CHICAGO, IL 60657
Cook County (773) 281-5818
DR. CARL K ATALLAH DO
Internal Medicine (Gastroenterology)
3000 N HALSTED ST STE 623
CHICAGO, IL 60657
Cook County (773) 281-5818
MONA LALEHZARI MD
Internal Medicine (Gastroenterology)
3000 N HALSTED ST STE 623
CHICAGO, IL 60657
Cook County (773) 281-5818

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Advanced Gi, LLC's NPI number?

The NPI number for Advanced Gi, LLC is 1942795422. It was assigned to this organization in the NPPES registry on June 27, 2018.

Where is Advanced Gi, LLC located?

Advanced Gi, LLC is located at 3000 N Halsted St Ste 623, Chicago, IL 60657. The listed phone number is (773) 281-5818.

What is Advanced Gi, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Does Advanced Gi, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 14D2323400) is associated with this NPI, valid through May 5, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Advanced Gi, LLC was last updated on January 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.