ADVANCED GASTROENTEROLOGY & SURGERY ASSOCIATES
NPI 1215974498
Internal Medicine - Gastroenterology in Leesburg, FL
About Advanced Gastroenterology & Surgery Associates NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVANCED GASTROENTEROLOGY & SURGERY ASSOCIATES (NPI 1215974498) is a healthcare organization registered as a gastroenterology in Leesburg, Florida and active in the NPI registry since May 2006. The organization lists Lily C Tran, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Advanced Gastroenterology & Surgery Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Advanced Gastroenterology & Surgery Associates, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (10)
Orlando, FL 32806
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 Professional Gastroenterology & Nutrition Associates, P.A.'s NPI number?
The NPI number for Professional Gastroenterology & Nutrition Associates, P.A. is 1215974498. It was assigned to this organization in the NPPES registry on May 31, 2006. The provider is doing business as Advanced Gastroenterology & Surgery Associates.
Where is Professional Gastroenterology & Nutrition Associates, P.A. located?
Professional Gastroenterology & Nutrition Associates, P.A. is located at 8110 County Road 44 Leg A, Leesburg, FL 34788. The listed phone number is (352) 323-8868.
What is Professional Gastroenterology & Nutrition Associates, P.A.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Professional Gastroenterology & Nutrition Associates, P.A. enrolled in Medicare?
Yes. Professional Gastroenterology & Nutrition Associates, P.A. is registered in the Medicare PECOS enrollment system.
When is Professional Gastroenterology & Nutrition Associates, P.A.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Florida, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Professional Gastroenterology & Nutrition Associates, P.A.?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 5 Medicare specialties reassign their Medicare billing to Professional Gastroenterology & Nutrition Associates, P.A.. 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), Certified Registered Nurse Anesthetist (CRNA) (3) and Anesthesiology (1). Of these, 4 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 Professional Gastroenterology & Nutrition Associates, P.A. accept?
Health plans from Ambetter Health, Ambetter of Alabama, AvMed, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 1 other insurer list Professional Gastroenterology & Nutrition Associates, P.A. 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 Professional Gastroenterology & Nutrition Associates, P.A. was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Advanced Gastroenterology & Surgery Associates · NPI 1215974498
Gastroenterology organization in Leesburg, Florida. Organization record, active in the CMS NPPES registry since May 31, 2006.
## Identity
- **NPI:** 1215974498 (Entity type: Organization)
- **Enumerated:** May 31, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Legal business name:** Professional Gastroenterology & Nutrition Associates, P.a.
- **Organization subpart:** No
- **Authorized official:** Lily Tran, PHYSICIAN
## Practice location
- **Address:** 8110 COUNTY ROAD 44 LEG A, Leesburg, FL 34788-3704
- **Phone:** (352) 323-8868 · **Fax:** (352) 323-8865
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, Florida, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 10 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (4), Certified Registered Nurse Anesthetist (CRNA) (3), Anesthesiology (1); 4 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1215974498) · Data from the CMS NPPES public registry.