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EAST COAST GASTROENTEROLOGY AND ENDOSCOPY PC
NPI 1518459569
Internal Medicine - Gastroenterology in Patchogue, NY

Active since June 05, 2018CLIA 33D2341177 · Certificate of Compliance
153 N OCEAN AVE, PATCHOGUE, NY 11772(631) 714-4444(631) 605-7373 Get Directions Write a Review

NPPES record last updated: March 18, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About East Coast Gastroenterology And Endoscopy Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EAST COAST GASTROENTEROLOGY AND ENDOSCOPY PC (NPI 1518459569) is a healthcare organization registered as a gastroenterology in Patchogue, New York and active in the NPI registry since June 2018. The organization holds a CLIA Certificate of Compliance certificate valid through March 27, 2028 and lists Christopher Tomaino, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1518459569
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameEAST COAST GASTROENTEROLOGY AND ENDOSCOPY PC
Location Address153 N OCEAN AVEPatchogue, NY 11772-2018
Mailing Address153 N Ocean AvePatchogue, NY 11772-2018 · (631) 714-4444
Phone(631) 714-4444
Fax(631) 605-7373
Organization SubpartNo
Authorized OfficialChristopher TomainoAuthorized Official · (631) 714-4444
Enumeration DateJune 5, 2018
Last NPPES UpdateMarch 18, 2021
NPPES CertifiedMarch 18, 2021
✔ NPI 1518459569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 270874
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
153 N OCEAN AVE, Patchogue, NY 11772
Open in Google Maps ↗

Other Identifiers 1

Other270874NY · License

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

East Coast Gastroenterology And Endoscopy Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to East Coast Gastroenterology And Endoscopy PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Christopher Tomaino, M.D.
Gastroenterology
NPI 1558594960
153 N OCEAN AVE
Patchogue, NY 11772
(631) 714-4444
✔ PECOS✔ Accepts MedicareSame address
Nita Malik, N.P.
Nurse Practitioner
NPI 1992937551
33 MEDFORD AVE STE E
Patchogue, NY 11772
(631) 207-4200
✔ PECOS✔ Accepts Medicare0.4 mi
Ruby Ezra, A-GNP
Nurse Practitioner
NPI 1699088898
163 STUYVESANT DR
Port Jefferson Station, NY 11776
(631) 342-7514
✔ PECOS✔ Accepts Medicare8.8 mi
Caroline Benish Mcnamara, NP
Nurse Practitioner
NPI 1396981957
22 GLENRIDGE AVE
Stony Brook, NY 11790
(631) 678-8230
✔ PECOS✔ Accepts Medicare10 mi
Raul Masakayan, M.D.
Anesthesiology
NPI 1194706614
32 SETALCOTT PL
Setauket, NY 11733
(631) 246-9276
✔ PECOS✔ Accepts Medicare12 mi
Gina Schiavone
Certified Registered Nurse Anesthetist (CRNA)
NPI 1720452758
333 ROUTE 25A SUITE 225
Rocky Point, NY 11778
(631) 744-3671
✔ Accepts Medicare13 mi
Charlene Wiser, CRNP
Nurse Practitioner
NPI 1215966585
3106 PHILADELPHIA AVE
Chambersburg, PA 17201
(717) 264-3644
✔ PECOS✔ Accepts Medicare249 mi
Richard Daly, FNP-C
Nurse Practitioner
NPI 1639282783
201 E NICOLLET BLVD
Burnsville, MN 55337
(952) 892-2000
✔ PECOS✔ Accepts Medicare1,063 mi

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 33D2341177

East Coast Gastroenterology & Endoscopy PC · Patchogue, NY
Active · expires Mar 27, 2028
CLIA Number33D2341177
Laboratory TypePhysician Office
Certificate Effective DateMarch 28, 2026
Certificate Expiration DateMarch 27, 2028
Laboratory DirectorDr. Gang He
Laboratory Phone(631) 714-4444
Laboratory LocationEast Coast Gastroenterology & Endoscopy PC153 North Ocean Avenue, Patchogue, NY 11772
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 East Coast Gastroenterology And Endoscopy PC's NPI number?

The NPI number for East Coast Gastroenterology And Endoscopy PC is 1518459569. It was assigned to this organization in the NPPES registry on June 5, 2018.

Where is East Coast Gastroenterology And Endoscopy PC located?

East Coast Gastroenterology And Endoscopy PC is located at 153 N Ocean Ave, Patchogue, NY 11772. The listed phone number is (631) 714-4444.

What is East Coast Gastroenterology And Endoscopy PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is East Coast Gastroenterology And Endoscopy PC enrolled in Medicare?

Yes. East Coast Gastroenterology And Endoscopy PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through East Coast Gastroenterology And Endoscopy PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 4 Medicare specialties reassign their Medicare billing to East Coast Gastroenterology And Endoscopy PC. 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 Nurse Practitioner (5), Anesthesiology (1) and Certified Registered Nurse Anesthetist (CRNA) (1). Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does East Coast Gastroenterology And Endoscopy PC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 33D2341177) is associated with this NPI, valid through March 27, 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 East Coast Gastroenterology And Endoscopy PC was last updated on March 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.