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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 Medical Services of Uniondale PC Cassandra Sanossian, M.D.

Cassandra Sanossian, M.D.

Highest compensated employee

Gastroenterologist at Medical Services of Uniondale PC

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

$456,257

2024

Total compensation

Cassandra Sanossian, M.D. has been listed as an employee of Medical Services of Uniondale PC in Form 990 filings since fiscal year 2024.

Annual compensation details

$456,257

Gastroenterologist

2024

$403k

50 hrs/wk

$55k

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Total compensation by year

Compare the compensation of Cassandra Sanossian, M.D. to:

Revisions to this profile

January 25, 2026:

2024 Medical Services of Uniondale PC 990 published

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2024

Other employees at Medical Services of Uniondale PC

Michael Dowling

Chief Executive Officer

$5,943,362

$0 $5,867,706 $75,656

Michele Cusack

Chief Financial Officer

$1,990,193

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

David Battinelli

President and Treasurer and Secretary

$1,895,203

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

Deborah Schiff

Executive Vice President

$1,854,668

$0 $1,784,891 $69,777

Laurence Kraemer

Executive Vice President, General Counsel and Assistant Secretary

$1,677,461

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

Leonard Stein, M.D.

Gastroenterologist

$788,334

$718,603 No related comp$69,731

Andrew Rosenberg, M.D.

Gastroenterologist

$661,467

$576,145 No related comp$85,322

E Michael Sullivan, Do

Gastroenterologist

$655,038

$569,716 No related comp$85,322

Felice Mirsky, M.D.

Gastroenterologist

$632,770

$547,448 No related comp$85,322