GASTROENTEROLOGY CONSULTANTS OF LONG ISLAND, PC
NPI 1730120536
Internal Medicine - Gastroenterology in New Hyde Park, NY
About Gastroenterology Consultants Of Long Island, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GASTROENTEROLOGY CONSULTANTS OF LONG ISLAND, PC (NPI 1730120536), doing business as John M Costable Md, Pc, is a healthcare organization registered as a gastroenterology in New Hyde Park, New York and active in the NPI registry since June 2006. The organization holds a CLIA Certificate of Compliance certificate valid through January 2, 2028 and lists John M Costable, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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)
Gastroenterology Consultants Of Long Island, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Gastroenterology Consultants Of Long Island, PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
New Hyde Park, NY 11042
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 33D1024764
Gastroenterology Consultants Of Long Island, PC · New Hyde Park, NYFrequently 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 Consultants Of Long Island, PC's NPI number?
The NPI number for Gastroenterology Consultants Of Long Island, PC is 1730120536. It was assigned to this organization in the NPPES registry on June 10, 2006. The provider was formerly known as John M Costable MD, PC.
Where is Gastroenterology Consultants Of Long Island, PC located?
Gastroenterology Consultants Of Long Island, PC is located at 2001 Marcus Ave Suite E240, New Hyde Park, NY 11042. The listed phone number is (516) 673-4801.
What is Gastroenterology Consultants Of Long Island, PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Gastroenterology Consultants Of Long Island, PC enrolled in Medicare?
Yes. Gastroenterology Consultants Of Long Island, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gastroenterology Consultants Of Long Island, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Gastroenterology Consultants Of Long Island, PC, in Anesthesiology, Gastroenterology, Pain Management 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 and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Gastroenterology Consultants Of Long Island, PC hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 33D1024764) is associated with this NPI, valid through January 2, 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 Gastroenterology Consultants Of Long Island, PC was last updated on January 17, 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.
# Gastroenterology Consultants Of Long Island, Pc · NPI 1730120536
Gastroenterology organization in New Hyde Park, New York. Organization record, active in the CMS NPPES registry since June 10, 2006.
## Identity
- **NPI:** 1730120536 (Entity type: Organization)
- **Enumerated:** June 10, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** John Costable, PRESIDENT
## Practice location
- **Address:** 2001 MARCUS AVE, SUITE E240, New Hyde Park, NY 11042-2061
- **Phone:** (516) 673-4801 · **Fax:** (516) 352-3680
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Anesthesiology (1), Gastroenterology (1), Pain Management (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 17, 2014
- **Other identifiers:** Medicare ID-Type Unspecified WEY741 (NY)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1730120536) · Data from the CMS NPPES public registry.