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GASTROENTEROLOGY AND LIVER ASSOCIATES OF RIVERDALE PC
NPI 1023272846
Internal Medicine - Gastroenterology in Bronx, NY

Active since July 10, 2008CLIA 33D0136650 · Certificate of Compliance
3333 HENRY HUDSON PKWY, SUITE # 1, BRONX, NY 10463(718) 796-1000(718) 796-2124 Get Directions Write a Review

NPPES record last updated: March 1, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gastroenterology And Liver Associates Of Riverdale Pc NPPES

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

GASTROENTEROLOGY AND LIVER ASSOCIATES OF RIVERDALE PC (NPI 1023272846) is a healthcare organization registered as a gastroenterology in Bronx, New York and active in the NPI registry since July 2008. The organization holds a CLIA Certificate of Compliance certificate valid through March 26, 2027 and lists Ira A. Tepler, Partner, as its authorized official.

NPPES Registry Identity

NPI1023272846
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTROENTEROLOGY AND LIVER ASSOCIATES OF RIVERDALE PC
Location Address3333 HENRY HUDSON PKWY, SUITE # 1Bronx, NY 10463-3224
Mailing Address3333 Henry Hudson Pkwy, Suite # 1Bronx, NY 10463-3224 · (718) 796-1000 · Fax (718) 796-2124
Phone(718) 796-1000
Fax(718) 796-2124
Organization SubpartNo
Authorized OfficialIra A. TeplerPartner · (718) 796-1000
Enumeration DateJuly 10, 2008
Last NPPES UpdateMarch 1, 2017
✔ NPI 1023272846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
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.
3333 HENRY HUDSON PKWY, Bronx, NY 10463
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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)

Gastroenterology And Liver Associates Of Riverdale Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 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.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20110726000193Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Gastroenterology And Liver Associates Of Riverdale PC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Amnon Gotian, M.D.
Gastroenterology
NPI 1841370871
3333 HENRY HUDSON PKWY SUITE 1
Bronx, NY 10463
(718) 796-1000
✔ PECOS✔ Accepts MedicareSame address
Ian Harnik, M.D.
Internal Medicine
NPI 1851506737
3333 HENRY HUDSON PKWY SUITE #1
Bronx, NY 10463
(718) 796-1000
✔ PECOS✔ Accepts MedicareSame address
Albert Kramer, M.D.
Gastroenterology
NPI 1386735033
3333 HENRY HUDSON PKWY SUITE 1
Bronx, NY 10463
(718) 796-1000
✔ PECOS✔ Accepts MedicareSame address
Ira Tepler, MD
Gastroenterology
NPI 1104922640
3333 HENRY HUDSON PKWY STE 1
Bronx, NY 10463
(718) 796-1000
✔ PECOS✔ Accepts MedicareSame address
Maria Sabatini, M.D.
Pathology
NPI 1598827107
1842 WILLIAMSBRIDGE RD
Bronx, NY 10461
(718) 828-0100
✔ PECOS✔ Accepts Medicare4.0 mi
Sergey Cherneykin, M.D.
Pathology
NPI 1568674828
55 PALMER AVE
Bronxville, NY 10708
(914) 787-3265
✔ PECOS✔ Accepts Medicare5.6 mi
Adnan Hasanovic
Pathology
NPI 1467616540
210 WESTCHESTER AVE
White Plains, NY 10604
(914) 831-6813
✔ PECOS✔ Accepts Medicare13 mi
Gabriel Levi, MD
Pathology
NPI 1205834140
1 DIAMOND HILL RD FL G
Berkeley Heights, NJ 07922
(908) 277-8699
✔ PECOS30 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 33D0136650

Gastroenterology And Liver Associates Of Riverdale · Bronx, NY
Active · expires Mar 26, 2027
CLIA Number33D0136650
Laboratory TypePhysician Office
Certificate Effective DateJune 12, 2014
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorDr. Gabriel S. Levi
Laboratory Phone(718) 796-1000
Laboratory LocationGastroenterology And Liver Associates Of Riverdale3333 Henry Hudson Parkway, Bronx, NY 10463
CLIA data matches this NPI record on: Address Name 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 Gastroenterology And Liver Associates Of Riverdale PC's NPI number?

The NPI number for Gastroenterology And Liver Associates Of Riverdale PC is 1023272846. It was assigned to this organization in the NPPES registry on July 10, 2008.

Where is Gastroenterology And Liver Associates Of Riverdale PC located?

Gastroenterology And Liver Associates Of Riverdale PC is located at 3333 Henry Hudson Pkwy Suite # 1, Bronx, NY 10463. The listed phone number is (718) 796-1000.

What is Gastroenterology And Liver Associates Of Riverdale PC's specialty?

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

Is Gastroenterology And Liver Associates Of Riverdale PC enrolled in Medicare?

Yes. Gastroenterology And Liver Associates Of Riverdale PC is registered in the Medicare PECOS enrollment system.

When is Gastroenterology And Liver Associates Of Riverdale PC'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 December 31, 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 Gastroenterology And Liver Associates Of Riverdale PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 3 Medicare specialties reassign their Medicare billing to Gastroenterology And Liver Associates Of Riverdale 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 Pathology (4), Gastroenterology (3) and Internal Medicine (1). Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gastroenterology And Liver Associates Of Riverdale PC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 33D0136650) is associated with this NPI, valid through March 26, 2027. 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 And Liver Associates Of Riverdale PC was last updated on March 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.