ULSTER GASTROENTEROLOGY, PLLC
NPI 1538597489
Specialist in Kingston, NY
About Ulster Gastroenterology, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ULSTER GASTROENTEROLOGY, PLLC (NPI 1538597489) is a healthcare organization registered as a specialist in Kingston, New York and active in the NPI registry since October 2013. The organization lists Reham I El-shaer, Primary Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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)
Ulster Gastroenterology, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
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
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Ulster Gastroenterology, PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
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 Ulster Gastroenterology, PLLC's NPI number?
The NPI number for Ulster Gastroenterology, PLLC is 1538597489. It was assigned to this organization in the NPPES registry on October 30, 2013.
Where is Ulster Gastroenterology, PLLC located?
Ulster Gastroenterology, PLLC is located at 301 Hurley Ave, Kingston, NY 12401. The listed phone number is (845) 331-0938.
What is Ulster Gastroenterology, PLLC's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Ulster Gastroenterology, PLLC enrolled in Medicare?
Yes. Ulster Gastroenterology, PLLC is registered in the Medicare PECOS enrollment system.
When is Ulster Gastroenterology, PLLC'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 (New York, Clinic/Group Practice) is due for revalidation by January 31, 2027. 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 Ulster Gastroenterology, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Ulster Gastroenterology, PLLC, in Gastroenterology and Pathology. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Ulster Gastroenterology, PLLC was last updated on February 25, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Ulster Gastroenterology, Pllc · NPI 1538597489
Specialist organization in Kingston, New York. Organization record, active in the CMS NPPES registry since October 30, 2013.
## Identity
- **NPI:** 1538597489 (Entity type: Organization)
- **Enumerated:** October 30, 2013
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Reham El-Shaer, PRIMARY MD
## Practice location
- **Address:** 301 HURLEY AVE, Kingston, NY 12401-2416
- **Phone:** (845) 331-0938 · **Fax:** (845) 331-0989
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, New York, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (1), Pathology (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 25, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1538597489) · Data from the CMS NPPES public registry.