Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Endocrine Associates of Raritan Bay, LLC

Endocrinology, Diabetes & Metabolism Physician in Old Bridge, NJ · enumerated 2007 · authorized official Ira Spiler, Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1851506638

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Registry record

Entity type Organization (Type 2)

Legal business name Endocrine Associates of Raritan Bay, LLC

Practice address 3 Hospital Plz, Suite 307, Old Bridge, NJ, 08857

Phone (732) 360-1122

Fax (732) 360-2725

Enumeration date May 14, 2007

Last updated in NPPES Sep 14, 2007

Taxonomy & classification

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians · License MA028129 (NJ) Primary

Authorized official

Name Ira Spiler

Title Owner

Phone (732) 360-1122

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Where is Endocrine Associates of Raritan Bay, LLC located?

The practice location on file with NPPES is in Old Bridge, NJ.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2007-09-14. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-14.