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GASTROENTEROLOGY ASSOCIATES OF COLUMBUS, LLC
NPI 1780753368
Specialist in Columbus, MS

Active since November 07, 2006CLIA Certified · 2 labs
600 LEIGH DR, COLUMBUS, MS 39705(662) 327-7525(662) 243-2252 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gastroenterology Associates Of Columbus, Llc NPPES

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

GASTROENTEROLOGY ASSOCIATES OF COLUMBUS, LLC (NPI 1780753368) is a healthcare organization registered as a specialist in Columbus, Mississippi and active in the NPI registry since November 2006. The organization holds 2 active CLIA laboratory certificates and lists Michael Dowdy, Administrator, as its authorized official.

NPPES Registry Identity

NPI1780753368
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameGASTROENTEROLOGY ASSOCIATES OF COLUMBUS, LLC
Location Address600 LEIGH DRColumbus, MS 39705-3014
Mailing Address600 Leigh DrColumbus, MS 39705-3014 · (662) 327-7525 · Fax (662) 243-2252
Phone(662) 327-7525
Fax(662) 243-2252
Organization SubpartNo
Authorized OfficialMichael DowdyAdministrator · (662) 327-7525
Enumeration DateNovember 7, 2006
Last NPPES UpdateJuly 30, 2025
NPPES CertifiedJuly 30, 2025
✔ NPI 1780753368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
600 LEIGH DR, Columbus, MS 39705
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Other Identifiers 3

OtherCB6936MS · Railroad Mcare
OtherALACAIDMS · 529300790
Medicaid09013405MS

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health and more.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 Associates Of Columbus, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

16

Medicare enrollment records show 16 clinicians reassign Medicare billing to Gastroenterology Associates Of Columbus, LLC, which bills Medicare for the services they deliver. Of these, 12 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 5

Nurse Practitioner9
Gastroenterology4
Emergency Medicine1
Internal Medicine1
Pathology1

Clinicians, nearest first (16)

Richard Heard, M.D.
Gastroenterology
NPI 1508029380
600 LEIGH DR
Columbus, MS 39705
(662) 327-7525
✔ PECOS✔ Accepts Medicare0.1 mi
Samuel Johnson, MD
Gastroenterology
NPI 1083638217
600 LEIGH DR
Columbus, MS 39705
(662) 327-7525
✔ PECOS✔ Accepts Medicare0.1 mi
Richard Johnston, MD
Emergency Medicine
NPI 1790717478
600 LEIGH DRIVE
Columbus, MS 39705
(662) 327-7525
✔ PECOS✔ Accepts Medicare0.1 mi
James Rawson, MD
Gastroenterology
NPI 1659380673
600 LEIGH DR
Columbus, MS 39705
(662) 327-7525
0.1 mi
Alan Williams, MD
Gastroenterology
NPI 1215951439
600 LEIGH DR
Columbus, MS 39705
(662) 327-7525
✔ PECOS0.1 mi
Micah Banks, CFNP
Nurse Practitioner
NPI 1164948105
600 LEIGH DR
Columbus, MS 39705
(662) 327-7525
✔ PECOS0.2 mi
Amber Brasfield, NP
Nurse Practitioner
NPI 1821584673
600 LEIGH DR
Columbus, MS 39705
(662) 327-7525
✔ PECOS✔ Accepts Medicare0.2 mi
Mary Garner, M.D.
Pathology
NPI 1437346962
600 LEIGH DR
Columbus, MS 39705
(662) 327-7525
✔ PECOS✔ Accepts Medicare0.2 mi
Ashlee Robbins, FNP-BC
Nurse Practitioner
NPI 1497465066
600 LEIGH DR
Columbus, MS 39705
(662) 327-7525
✔ PECOS✔ Accepts Medicare0.2 mi
Pamela Lott, CFNP
Nurse Practitioner
NPI 1578640959
600 LEIGH DR
Columbus, MS 39705
(662) 327-7525
✔ PECOS✔ Accepts Medicare0.3 mi
Ellen Wilson, APRN, FNP-C
Nurse Practitioner
NPI 1205300266
229 WOODLAND HEIGHTS DR
Columbus, MS 39705
(662) 361-0483
✔ PECOS2.0 mi
Lauren Sullivan
Nurse Practitioner
NPI 1902685530
230 AIRLINE RD
Columbus, MS 39702
(662) 570-3208
✔ PECOS✔ Accepts Medicare3.5 mi
Valerie Brown, FNP-BC
Nurse Practitioner
NPI 1225472483
104 DOCTORS PARK
Starkville, MS 39759
(662) 323-1181
✔ PECOS✔ Accepts Medicare23 mi
Amanda Jones, CFNP-BC
Nurse Practitioner
NPI 1427558329
78 HOSPITAL RD
Macon, MS 39341
(662) 738-4424
✔ PECOS✔ Accepts Medicare29 mi
William Gillespie, M.D.
Internal Medicine
NPI 1336568054
7601 SOUTHCREST PKWY
Southaven, MS 38671
(662) 772-2980
✔ PECOS✔ Accepts Medicare134 mi
Christopher Wright, FNP-C
Nurse Practitioner
NPI 1215304696
605 GLENWOOD DR STE 200
Chattanooga, TN 37404
(423) 698-1844
✔ PECOS✔ Accepts Medicare209 mi

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 2

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 25D0704071

Gastroenterology Associates Of Columbus LLC · Columbus, MS
Active · expires Sep 12, 2028
CLIA Number25D0704071
Laboratory TypePhysician Office
Certificate Effective DateSeptember 13, 2026
Certificate Expiration DateSeptember 12, 2028
Laboratory DirectorDr. Mary P. Garner
Laboratory Phone(662) 327-7525
Laboratory LocationGastroenterology Associates Of Columbus LLC600 Leigh Drive Dr, Columbus, MS 39705
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.

Certificate of Waiver 25D2057705

Gastroenterology Associates Of Columbus PA · Starkville, MS
Active · expires Apr 21, 2027
CLIA Number25D2057705
Laboratory TypePhysician Office
Certificate Effective DateApril 22, 2025
Certificate Expiration DateApril 21, 2027
Laboratory DirectorRichard L. Johnston
Laboratory Phone(662) 327-7525
Laboratory LocationGastroenterology Associates Of Columbus PA2 Professional Plaza, Starkville, MS 39759
CLIA data matches this NPI record on: Name 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 Associates Of Columbus, LLC's NPI number?

The NPI number for Gastroenterology Associates Of Columbus, LLC is 1780753368. It was assigned to this organization in the NPPES registry on November 7, 2006.

Where is Gastroenterology Associates Of Columbus, LLC located?

Gastroenterology Associates Of Columbus, LLC is located at 600 Leigh Dr, Columbus, MS 39705. The listed phone number is (662) 327-7525.

What is Gastroenterology Associates Of Columbus, LLC's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Gastroenterology Associates Of Columbus, LLC enrolled in Medicare?

Yes. Gastroenterology Associates Of Columbus, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastroenterology Associates Of Columbus, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 16 clinicians in 5 Medicare specialties reassign their Medicare billing to Gastroenterology Associates Of Columbus, 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 Nurse Practitioner (9), Gastroenterology (4) and Emergency Medicine (1). Of these, 12 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gastroenterology Associates Of Columbus, LLC hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Gastroenterology Associates Of Columbus, LLC accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list Gastroenterology Associates Of Columbus, LLC 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 Associates Of Columbus, LLC was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.