SOUTHWEST GASTROENTEROLOGY, S.C.
NPI 1821247495
Internal Medicine - Gastroenterology in Oak Lawn, IL

Q: What is Southwest Gastroenterology, S.C.'s NPI number?

The NPI number for Southwest Gastroenterology, S.C. is 1821247495. It was assigned to this organization in the NPPES registry on September 18, 2008.

Q: What is Southwest Gastroenterology, S.C.'s specialty?

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

Active since September 18, 2008CLIA 14D2142816 · Waiver

9921 SOUTHWEST HWY, OAK LAWN, IL 60453(708) 499-5678(708) 499-5685 Get Directions Write a Review

NPPES record last updated: January 28, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Southwest Gastroenterology, S.c. NPPES

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

SOUTHWEST GASTROENTEROLOGY, S.C. (NPI 1821247495) is a healthcare organization registered as a gastroenterology in Oak Lawn, Illinois and active in the NPI registry since September 2008. The organization holds a CLIA Waiver certificate valid through January 18, 2028 and lists Jeffrey Port, President, as its authorized official.

NPPES Registry Identity

NPI1821247495

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameSOUTHWEST GASTROENTEROLOGY, S.C.

Location Address9921 SOUTHWEST HWYOak Lawn, IL 60453-3767

Mailing Address9921 Southwest HwyOak Lawn, IL 60453-3767 · (708) 499-5678 · Fax (708) 499-5685

Phone(708) 499-5678

Fax(708) 499-5685

Organization SubpartNo

Authorized OfficialJeffrey PortPresident · (708) 499-5678

Enumeration DateSeptember 18, 2008

Last NPPES UpdateJanuary 28, 2009

✔ NPI 1821247495 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.

9921 SOUTHWEST HWY, Oak Lawn, IL 60453

Open in Google Maps ↗

Other Identifiers 2

Medicare PINIL1069IL

Medicare PINIL1068IL

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 Waiver 14D2142816

Southwest Gastroenterolgy · Oak Lawn, IL

Active · expires Jan 18, 2028

CLIA Number14D2142816

Laboratory TypePhysician Office

Certificate Effective DateJanuary 19, 2026

Certificate Expiration DateJanuary 18, 2028

Laboratory DirectorCharles Berkelhammer MD

Laboratory Phone(708) 499-5678

Laboratory LocationSouthwest Gastroenterolgy9921 Southwest Highway, Oak Lawn, IL 60453

CLIA data matches this NPI record on: Address Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 19

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

VINCENT MUSCARELLO MD

Internal Medicine (Gastroenterology)