GASTROENTEROLOGY ASSOCIATES
NPI 1235330994
Specialist in Bristol, TN
About Gastroenterology Associates NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GASTROENTEROLOGY ASSOCIATES (NPI 1235330994) is a healthcare organization registered as a specialist in Bristol, Tennessee and active in the NPI registry since May 2007. The organization holds 3 active CLIA laboratory certificates and lists Mark Bartley, Chief Administrative Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
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 is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
49Medicare enrollment records show 49 clinicians reassign Medicare billing to Gastroenterology Associates, which bills Medicare for the services they deliver. Of these, 14 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 49Source: 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 3
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 44D0311055
Gastroenterology Associates · Kingsport, TNCertificate of Compliance 44D2024172
Gastroenterology Associates · Kingsport, TNCertificate of Waiver 44D0975038
Gastroenterology Associates · Bristol, TNFrequently 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's NPI number?
The NPI number for Gastroenterology Associates is 1235330994. It was assigned to this organization in the NPPES registry on May 30, 2007.
Where is Gastroenterology Associates located?
Gastroenterology Associates is located at 235 Medical Park Blvd, Bristol, TN 37620. The listed phone number is (423) 246-6777.
What is Gastroenterology Associates's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Gastroenterology Associates enrolled in Medicare?
Yes. Gastroenterology Associates is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gastroenterology Associates?
According to the CMS Revalidation Reassignment List (October 2026 release), 49 clinicians in 3 Medicare specialties reassign their Medicare billing to Gastroenterology Associates. 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 Certified Registered Nurse Anesthetist (CRNA) (29), Gastroenterology (10) and Nurse Practitioner (10). Of these, 14 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Gastroenterology Associates hold CLIA laboratory certificates?
Yes. 3 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.
When was this NPI record last updated?
The NPPES record for Gastroenterology Associates was last updated on May 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Gastroenterology Associates · NPI 1235330994
Specialist organization in Bristol, Tennessee. Organization record, active in the CMS NPPES registry since May 30, 2007.
## Identity
- **NPI:** 1235330994 (Entity type: Organization)
- **Enumerated:** May 30, 2007
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Mark Bartley, CHIEF ADMINISTRATIVE OFFICER
## Practice location
- **Address:** 235 MEDICAL PARK BLVD, Bristol, TN 37620-7455
- **Phone:** (423) 246-6777 · **Fax:** (423) 246-7766
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 49 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (29), Gastroenterology (10), Nurse Practitioner (10); 14 practice within 10 miles; [full list](https://npiprofile.com/npi/1235330994/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 4, 2009
- **Other identifiers:** Medicare ID-Type Unspecified 3700035 (TN); Medicaid 3700035 (TN); Medicare ID-Type Unspecified CB1240 (TN)
- **CLIA laboratory certificates:** 3 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1235330994) · Data from the CMS NPPES public registry.