ATHENS GASTROENTEROLOGY ASSOCIATION
NPI 1427015551
Internal Medicine - Gastroenterology in Athens, GA
About Athens Gastroenterology Association NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ATHENS GASTROENTEROLOGY ASSOCIATION (NPI 1427015551) is a healthcare organization registered as a gastroenterology in Athens, Georgia and active in the NPI registry since May 2006. The organization lists Jeffrey M Williams, Physician/owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted 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)
Athens Gastroenterology Association is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Athens Gastroenterology Association, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
Athens, GA 30607
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 Athens Gastroenterology Association's NPI number?
The NPI number for Athens Gastroenterology Association is 1427015551. It was assigned to this organization in the NPPES registry on May 1, 2006.
Where is Athens Gastroenterology Association located?
Athens Gastroenterology Association is located at 3320 Old Jefferson Rd Bldg 400, Athens, GA 30607. The listed phone number is (706) 613-1625.
What is Athens Gastroenterology Association's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Athens Gastroenterology Association enrolled in Medicare?
Yes. Athens Gastroenterology Association is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Athens Gastroenterology Association?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Athens Gastroenterology Association. 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 (3), Gastroenterology (1) and Internal Medicine (1). Of these, 3 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Athens Gastroenterology Association accept?
Health plans from Alliant Health Plans, Inc. list Athens Gastroenterology Association 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 Athens Gastroenterology Association was last updated on September 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.
# Athens Gastroenterology Association · NPI 1427015551
Gastroenterology organization in Athens, Georgia. Organization record, active in the CMS NPPES registry since May 1, 2006.
## Identity
- **NPI:** 1427015551 (Entity type: Organization)
- **Enumerated:** May 1, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Jeffrey Williams, PHYSICIAN/OWNER
## Practice location
- **Address:** 3320 OLD JEFFERSON RD, BLDG 400, Athens, GA 30607-1400
- **Phone:** (706) 613-1625 · **Fax:** (706) 613-1629
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (3), Gastroenterology (1), Internal Medicine (1); 3 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 16, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1427015551) · Data from the CMS NPPES public registry.