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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees Northwell Health Laboratories Konstantine Costalas

Konstantine Costalas

Trustee/director

Senior Vice President, Managed Care at Northwell Health Laboratories

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$1,240,540

2024

Total compensation

Konstantine Costalas has been listed as an employee of Northwell Health Laboratories in Form 990 filings since fiscal year 2024.

Annual compensation details

$1,240,540

Senior Vice President, Managed Care

2024

$1.2M

50 hrs/wk

$86k

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Total compensation by year

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Revisions to this profile

January 25, 2026:

2024 Northwell Health Laboratories 990 published

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2024

Other employees at Northwell Health Laboratories

Mark Solazzo

Chair

$3,816,311

$0 $3,747,876 $68,435

Michele Cusack

Treasurer

$1,990,193

$0 $1,904,871 $85,322

David Battinelli

Trustee/Evp Northwell

$1,895,203

$0 $1,809,811 $85,392

Laurence Kraemer

Assistant Secretary

$1,677,461

$0 $1,607,684 $69,777

Eugene Tangney

Trustee and Senior Vice President, Northwell

$1,563,370

$0 $1,478,048 $85,322

Merryl Siegel

Secretary

$1,414,240

$0 $1,341,997 $72,243

Donna Drummond

Trustee and Senior Vice President, Northwell

$1,302,137

$0 $1,234,114 $68,023

James Crawford

Trustee/Med School Chair Nort

$860,853

$0 $791,122 $69,731

Dwayne Breining

Chief Executive Officer

$848,600

$0 $763,208 $85,392

Other people named Konstantine Costalas

2024

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Northwell Health Inc.

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Lenox Hill Hospital

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Northwell Health Foundation