GASTROENTEROLOGY MEDICINE & NUTRITION CLINIC, PC
NPI 1366625535
Internal Medicine - Gastroenterology in Atlanta, GA

Q: What is Gastroenterology Medicine & Nutrition Clinic, PC's specialty?

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

Active since December 11, 2007CLIA 11D2336509 · Waiver

3886 PRINCETON LAKES WAY SW STE 120, ATLANTA, GA 30331(404) 681-0000(678) 866-2538 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Gastroenterology Medicine & Nutrition Clinic, Pc NPPES

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

GASTROENTEROLOGY MEDICINE & NUTRITION CLINIC, PC (NPI 1366625535) is a healthcare organization registered as a gastroenterology in Atlanta, Georgia and active in the NPI registry since December 2007. The organization holds a CLIA Waiver certificate valid through January 5, 2028, maintains a secondary practice location in Atlanta, and lists Edward A Layne, President, as its authorized official.

NPPES Registry Identity

NPI1366625535

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameGASTROENTEROLOGY MEDICINE & NUTRITION CLINIC, PC

Location Address3886 PRINCETON LAKES WAY SW STE 120Atlanta, GA 30331-5511

Mailing AddressPo Box 570744Atlanta, GA 30357-3113 · (404) 681-0000 · Fax (404) 365-8354

Phone(404) 681-0000

Fax(678) 866-2538

Organization SubpartNo

Authorized OfficialEdward A LaynePresident · (404) 681-0000

Enumeration DateDecember 11, 2007

Last NPPES UpdateJune 12, 2025

NPPES CertifiedJune 12, 2025

✔ NPI 1366625535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in GA · 021539

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.

Also ListedClinic/Center · Medical SpecialtyTaxonomy 261QM2500X · License 021539 (GA)

3886 PRINCETON LAKES WAY SW STE 120, Atlanta, GA 30331

Open in Google Maps ↗

Secondary Practice Location 1

Location 13200 Downwood Cir NW Ste 340Atlanta, GA 30327-1605 · Phone (404) 681-0000 · Fax (404) 365-8354

Other Identifiers 1

Medicaid00204586BGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company).Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gastroenterology Medicine & Nutrition Clinic, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gastroenterology Medicine & Nutrition Clinic, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Edward Layne, M.D.

Gastroenterology

NPI 1891807434

3886 PRINCETON LAKES WAY SW STE 120
Atlanta, GA 30331

(404) 681-0000

✔ PECOSSame address

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

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 11D2336509

Gastroenterology & Nutrition Clinics · Atlanta, GA

Active · expires Jan 5, 2028

CLIA Number11D2336509

Laboratory TypePhysician Office

Certificate Effective DateJanuary 6, 2026

Certificate Expiration DateJanuary 5, 2028

Laboratory DirectorEdward A. Layne

Laboratory Phone(404) 681-0000

Laboratory LocationGastroenterology & Nutrition Clinics3886 Princeton Lakes Way, Suite 120, Atlanta, GA 30331

CLIA data matches this NPI record on: Phone

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

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 Gastroenterology Medicine & Nutrition Clinic, PC's NPI number?

The NPI number for Gastroenterology Medicine & Nutrition Clinic, PC is 1366625535. It was assigned to this organization in the NPPES registry on December 11, 2007.

Where is Gastroenterology Medicine & Nutrition Clinic, PC located?

Gastroenterology Medicine & Nutrition Clinic, PC is located at 3886 Princeton Lakes Way SW Ste 120, Atlanta, GA 30331. The listed phone number is (404) 681-0000.

What is Gastroenterology Medicine & Nutrition Clinic, PC's specialty?

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

Is Gastroenterology Medicine & Nutrition Clinic, PC enrolled in Medicare?

Yes. Gastroenterology Medicine & Nutrition Clinic, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastroenterology Medicine & Nutrition Clinic, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Gastroenterology Medicine & Nutrition Clinic, PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gastroenterology Medicine & Nutrition Clinic, PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 11D2336509) is associated with this NPI, valid through January 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Gastroenterology Medicine & Nutrition Clinic, PC accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Gastroenterology Medicine & Nutrition Clinic, PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gastroenterology Medicine & Nutrition Clinic, PC was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.