TRI-CITIES GASTROENTEROLOGY LLC
NPI 1083639918
Internal Medicine - Gastroenterology in Kingsport, TN
About Tri-cities Gastroenterology Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRI-CITIES GASTROENTEROLOGY LLC (NPI 1083639918) is a healthcare organization registered as a gastroenterology in Kingsport, Tennessee and active in the NPI registry since July 2006. The organization holds a CLIA Certificate of Compliance certificate valid through October 27, 2028 and lists Michelle Carmela Merritt, Practice Administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Tri-cities Gastroenterology Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
7Medicare enrollment records show 7 clinicians reassign Medicare billing to Tri-Cities Gastroenterology LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 within 10 miles. They are listed nearest first.
Clinicians, nearest first (7)
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 Compliance 44D1002527
Tri-Cities Gastroenterology · Kingsport, 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 Tri-Cities Gastroenterology LLC's NPI number?
The NPI number for Tri-Cities Gastroenterology LLC is 1083639918. It was assigned to this organization in the NPPES registry on July 13, 2006.
Where is Tri-Cities Gastroenterology LLC located?
Tri-Cities Gastroenterology LLC is located at 10461 Wallace Alley St, Kingsport, TN 37663. The listed phone number is (423) 279-1400.
What is Tri-Cities Gastroenterology LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Tri-Cities Gastroenterology LLC enrolled in Medicare?
Yes. Tri-Cities Gastroenterology LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Tri-Cities Gastroenterology LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to Tri-Cities Gastroenterology 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 (4), Gastroenterology (2) and Pathology (1). Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Tri-Cities Gastroenterology LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 44D1002527) is associated with this NPI, valid through October 27, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Tri-Cities Gastroenterology LLC was last updated on October 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Tri-Cities Gastroenterology Llc · NPI 1083639918
Gastroenterology organization in Kingsport, Tennessee. Organization record, active in the CMS NPPES registry since July 13, 2006.
## Identity
- **NPI:** 1083639918 (Entity type: Organization)
- **Enumerated:** July 13, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Michelle Merritt, PRACTICE ADMINISTRATOR
## Practice location
- **Address:** 10461 WALLACE ALLEY ST, Kingsport, TN 37663-3936
- **Phone:** (423) 279-1400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 7 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (4), Gastroenterology (2), Pathology (1); 4 practice at this address and 6 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 26, 2023
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1083639918) · Data from the CMS NPPES public registry.