Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

South Nassau Cardiology Services, PC

Nuclear Cardiology Physician in Lynbrook, NY · enumerated 2007 · authorized official Robert Vaccarino, Medical Director.

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

National Provider Identifier

1164568622

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Registry record

Entity type Organization (Type 2)

Legal business name South Nassau Cardiology Services, PC

Practice address 444 Merrick Rd, Ste Ll5, Lynbrook, NY, 11563

Phone (516) 561-8558

Enumeration date Jan 30, 2007

Last updated in NPPES Sep 11, 2025

Taxonomy & classification

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians Secondary

207UN0901X Nuclear Cardiology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Robert Vaccarino

Title Medical Director

Phone (516) 561-8558

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is South Nassau Cardiology Services, PC?

South Nassau Cardiology Services, PC is registered in NPPES as a Nuclear Cardiology Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.