GSG WEST LLC
NPI 1174480321
Internal Medicine - Gastroenterology in Lawrenceville, GA

Q: What is Gsg West LLC's NPI number?

The NPI number for Gsg West LLC is 1174480321. It was assigned to this organization in the NPPES registry on January 8, 2026.

Q: What is Gsg West LLC's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gsg West LLC was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since January 08, 2026

721 WELLNESS WAY STE 100, LAWRENCEVILLE, GA 30046(770) 995-3113(770) 277-2930 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Gsg West Llc NPPES

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

GSG WEST LLC (NPI 1174480321) is a healthcare organization registered as a gastroenterology in Lawrenceville, Georgia and active in the NPI registry since January 2026. The organization lists William Gordon Tanner, Owner, as its authorized official.

NPPES Registry Identity

NPI1174480321

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameGSG WEST LLC

Location Address721 WELLNESS WAY STE 100Lawrenceville, GA 30046-3304

Mailing Address721 Wellness Way Ste 100Lawrenceville, GA 30046-3304 · (770) 995-3113 · Fax (770) 277-2930

Phone(770) 995-3113

Fax(770) 277-2930

Organization SubpartNo

Authorized OfficialWilliam Gordon TannerOwner · (770) 995-3113

Enumeration DateJanuary 8, 2026

NPPES CertifiedJanuary 8, 2026

✔ NPI 1174480321 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.

721 WELLNESS WAY STE 100, Lawrenceville, GA 30046

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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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gsg West Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 4 clinicians reassign Medicare billing to Gsg West LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Jae Nam, MD

Gastroenterology

NPI 1477581999

721 WELLNESS WAY SUITE100
Lawrenceville, GA 30046

(770) 995-7989

✔ PECOS✔ Accepts MedicareSame address

William Tanner, M.D.

Gastroenterology

NPI 1114911294

721 WELLNESS WAY STE 100
Lawrenceville, GA 30046

(770) 995-7989

✔ PECOS✔ Accepts MedicareSame address

Daniel Lord, M.D.

Gastroenterology

NPI 1245224344

3855 PLEASANT HILL ROAD SUITE 230
Duluth, GA 30096

(770) 495-8300

✔ PECOS✔ Accepts Medicare9.1 mi

Tara Chang, MD

Pathology

NPI 1316112451

11390 OLD ROSWELL RD STE 100
Alpharetta, GA 30009

(770) 817-0920

✔ PECOS✔ Accepts Medicare19 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Gsg West LLC's NPI number?

The NPI number for Gsg West LLC is 1174480321. It was assigned to this organization in the NPPES registry on January 8, 2026.

Where is Gsg West LLC located?

Gsg West LLC is located at 721 Wellness Way Ste 100, Lawrenceville, GA 30046. The listed phone number is (770) 995-3113.

What is Gsg West LLC's specialty?

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

Is Gsg West LLC enrolled in Medicare?

Yes. Gsg West LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gsg West LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Gsg West LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Gastroenterology (3) and Pathology (1). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gsg West LLC was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.