Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Maimonides Medical Center Maimonides Cardiothoracic Surgery

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Brooklyn, NY · enumerated 2006 · authorized official Stephen Lahey, Director.

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

National Provider Identifier

1104929090

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Registry record

Entity type Organization (Type 2)

Legal business name Maimonides Medical Center Maimonides Cardiothoracic Surgery

Practice address 4802 10th Ave, Brooklyn, NY, 11219

Phone (718) 283-8773

Enumeration date Sep 6, 2006

Last updated in NPPES May 21, 2015

Taxonomy & classification

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Stephen Lahey

Title Director

Phone (718) 283-8773

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 the NPI number for Maimonides Medical Center Maimonides Cardiothoracic Surgery?

The NPI for Maimonides Medical Center Maimonides Cardiothoracic Surgery is 1104929090, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Maimonides Medical Center Maimonides Cardiothoracic Surgery?

NPPES lists Stephen Lahey (Director) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-21.