ADVANCED GASTROENTEROLOGY, PSC
NPI 1164720975
Internal Medicine - Gastroenterology in Bayamon, PR
About Advanced Gastroenterology, Psc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVANCED GASTROENTEROLOGY, PSC (NPI 1164720975) is a healthcare organization registered as a gastroenterology in Bayamon, Puerto Rico and active in the NPI registry since March 2011. The organization lists Ramon M Rullan, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
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)
Advanced Gastroenterology, Psc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Advanced Gastroenterology, Psc, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (2)
Bayamon, PR 00961
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 Advanced Gastroenterology, Psc's NPI number?
The NPI number for Advanced Gastroenterology, Psc is 1164720975. It was assigned to this organization in the NPPES registry on March 2, 2011.
Where is Advanced Gastroenterology, Psc located?
Advanced Gastroenterology, Psc is located at 68 Calle Santa Cruz Torre San Pablo Suite 803B, Bayamon, PR 00961. The listed phone number is (787) 288-6998.
What is Advanced Gastroenterology, Psc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Advanced Gastroenterology, Psc enrolled in Medicare?
Yes. Advanced Gastroenterology, Psc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Advanced Gastroenterology, Psc?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Advanced Gastroenterology, Psc, in Gastroenterology and Rheumatology. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Advanced Gastroenterology, Psc was last updated on February 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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, Psc · NPI 1164720975
Gastroenterology organization in Bayamon, Puerto Rico. Organization record, active in the CMS NPPES registry since March 2, 2011.
## Identity
- **NPI:** 1164720975 (Entity type: Organization)
- **Enumerated:** March 2, 2011
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Ramon Rullan, PRESIDENT
## Practice location
- **Address:** 68 CALLE SANTA CRUZ, TORRE SAN PABLO SUITE 803B, Bayamon, PR 00961-7031
- **Phone:** (787) 288-6998
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (1), Rheumatology (1) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 14, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1164720975) · Data from the CMS NPPES public registry.