GASTROENTEROLOGY SERVICES, LLC
NPI 1851542500
Internal Medicine - Gastroenterology in Oviedo, FL
About Gastroenterology Services, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GASTROENTEROLOGY SERVICES, LLC (NPI 1851542500), doing business as Gastroenterology Plus, is a healthcare organization registered as a gastroenterology in Oviedo, Florida and active in the NPI registry since September 2008. The organization holds a CLIA Certificate of Compliance certificate valid through April 2, 2027 and lists Ian R Martinez, Managing Member, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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)
Gastroenterology Services, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Gastroenterology Services, LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 6 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (10)
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 10D1102055
Gastroenterology Services LLC · Oviedo, FLFrequently 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 Services, LLC's NPI number?
The NPI number for Gastroenterology Services, LLC is 1851542500. It was assigned to this organization in the NPPES registry on September 30, 2008. The provider is doing business as Gastroenterology Plus.
Where is Gastroenterology Services, LLC located?
Gastroenterology Services, LLC is located at 2572 W Sr 426 Ste 1000, Oviedo, FL 32765. The listed phone number is (407) 478-0882.
What is Gastroenterology Services, LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Gastroenterology Services, LLC enrolled in Medicare?
Yes. Gastroenterology Services, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gastroenterology Services, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 3 Medicare specialties reassign their Medicare billing to Gastroenterology Services, 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 Gastroenterology (4), Nurse Practitioner (4) and Pathology (2). Of these, 2 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Gastroenterology Services, LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 10D1102055) is associated with this NPI, valid through April 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Gastroenterology Services, LLC accept?
Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Gastroenterology Services, 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 Services, LLC was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Gastroenterology Services, Llc · NPI 1851542500
Gastroenterology organization in Oviedo, Florida. Organization record, active in the CMS NPPES registry since September 30, 2008.
## Identity
- **NPI:** 1851542500 (Entity type: Organization)
- **Enumerated:** September 30, 2008
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Also known as:** Gastroenterology Plus (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Ian Martinez, MANAGING MEMBER
## Practice location
- **Address:** 2572 W SR 426 STE 1000, Oviedo, FL 32765-8389
- **Phone:** (407) 478-0882 · **Fax:** (407) 359-8530
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 10 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (4), Nurse Practitioner (4), Pathology (2); 2 practice at this address and 6 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 25, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1851542500) · Data from the CMS NPPES public registry.