St Catherine of Siena Medical Center

Public charity · Grantmaker Smithtown, NY EIN: 06-1562701

St Catherine of Siena Medical Center at a glance

In short: St Catherine of Siena Medical Center gave $78K across 1 grant in 2024 (avg $78K), mostly in New York. Source: 2024 IRS Form 990.

Annual giving (2024)
$77,672
-33.6% vs 2023
Grants made (2024)
1
+0.0% vs 2023
Average grant
$77,672
-33.6% vs 2023
Median grant
$77,672
Total assets
$214,112,376
+1.6% vs 2023
Primary geography
New York (100% of itemized 2024 grant dollars)
Latest 990 filing
Form 990, 2024 View filing

Data from IRS Form 990, 2024; updated September 2026.

Who St Catherine of Siena Medical Center funds

How this funder distributes its grants

Top Recipients

Top recipient in 2024

Catholic Health Services of Long Island: $78KCatholic Health Services ofLong Island$78K

The largest 2024 recipient was Catholic Health Services of Long Island ($78K).

Grant Size Distribution

5 grants across all recorded years

<$50K2$50–100K2$100–250K$250–500K$500K–1M1$1–5M$5M+

The most common grant size was in the $50–100K range: 2 grants of 5 (40%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2024 grant dollars on its one itemized grant.

States

Cities

Rockville Centre

How St Catherine of Siena Medical Center gives

  • Giving fell 21% from 2021 to 2024. Method

From the foundation's IRS Form 990 filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M1 grant2020 1 grant2021 1 grant2022 1 grant2023 1 grant2024

From 2020 to 2024, annual grant giving ranged from $78K (2024) to $1.3M (2020). In 2024 it made 1 grant totaling $78K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Catholic Health Services of Long Island Rockville Centre, NYMission Sponsorship$77,672
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2024$214,112,376$267,163,950$311,102,450$77,6721$759,740
2023$210,743,666$275,582,935$292,981,023$116,9331$722,583
2022$204,743,104$259,082,241$279,115,143$101,1941$233,792
2021$208,978,948$269,380,631$278,377,831$98,8271$196,643
2020$249,269,811$290,891,779$283,386,925$1,328,1291$429,351

About St Catherine of Siena Medical Center

Based on IRS filings

St Catherine of Siena Medical Center is a public charity focused on Health, based in Smithtown, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $214.1M in total assets. In 2024, it awarded 1 grant totaling $78K. Net investment income was $760K.

Focus Areas

Leadership & Key People

Officers and directors from IRS filings

St Catherine of Siena Medical Center is led by Patrick O'Shaughnessy DO, President & CEO on every filing since 2021; 8 of 31 officers listed in 2024 are compensated.

Officers on the 2024 filing

  • Patrick O'Shaughnessy DO

    President & CEO

    On filings since 2021

    50 hrs/week

    No compensation reported

  • Declan Doyle

    President

    On filings since 2023

    50 hrs/week

    $283K (2023) → $685K (2024)

  • Salvatore Sodano

    Chair

    On filings since 2020

    2 hrs/week

    No compensation reported

  • John McCartney

    Trustee

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Peter Quick

    Trustee

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Andrew Zucaro

    Trustee

    On filings since 2022

    2 hrs/week

    No compensation reported

  • Debra Del Vecchio

    Trustee

    On filings since 2022

    2 hrs/week

    No compensation reported

  • John Romanelli MD

    Trustee

    On filings since 2022

    2 hrs/week

    No compensation reported

  • Jerry Balentine DO

    Trustee

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Joseph Mattone Esq.

    Trustee

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Lee Descoteaux

    Trustee

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Peter Dagher

    Trustee

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Ronald Shindel

    Trustee

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Susan O'Hara RN

    Trustee

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Vito Destefano

    Trustee

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Geoffrey Delesseps

    Trustee

    New on the 2024 filing

    2 hrs/week

    No compensation reported

  • Jason Grisafi

    Trustee

    New on the 2024 filing

    2 hrs/week

    No compensation reported

  • Joseph F. Kuehn Jr.

    Trustee

    New on the 2024 filing

    2 hrs/week

    No compensation reported

  • Bruce Mayerson

    Neurologist

    Physician → Neurologist, 2022

    On filings since 2020

    50 hrs/week

    $834K (2020) → $945K (2024)

  • Mickel Khlat

    CMO

    On filings since 2020

    50 hrs/week

    $524K (2020) → $621K (2024)

  • Ravi Ainapudi MD

    Physician

    Physician → Physiscian, 2022

    Physiscian → Physician, 2024

    On filings since 2020

    50 hrs/week

    $891K (2020) → $1.1M (2024)

  • Dominick Pernice

    Former COO

    COO → Former COO, 2024

    On filings since 2022

    50 hrs/week

    $338K (2022) → $0 (2024)

  • Kanika Kaur MD

    Physician

    Physiscian → Physician, 2024

    On filings since 2022

    50 hrs/week

    $721K (2022) → $966K (2024)

  • Randolph Howard

    COO

    On filings since 2023

    50 hrs/week

    $352K (2023) → $339K (2024)

  • Laurence Mermelstein

    Physician

    New on the 2024 filing

    50 hrs/week

    $1.3M (2024)

  • Sushil Basra

    Physician

    New on the 2024 filing

    50 hrs/week

    $1.3M (2024)

  • James O'Connor

    Former President & CAO

    President & CAO → Former President & CAO, 2024

    On filings since 2020

    No compensation reported

  • Robert Zuccaro

    Treasurer

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Thomas Christman

    Vice Chair

    Trustee → Secretary, 2023

    Secretary → Vice Chair, 2024

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Patrick Minicus

    Executive Vice President & CFO

    On filings since 2022

    50 hrs/week

    No compensation reported

  • Regina Piscazzi

    Secretary

    Trustee → Secretary, 2024

    On filings since 2022

    2 hrs/week

    No compensation reported

Former officers (26)
  • Former: Brian McGuire (2020–2023) — Vice Chair
  • Former: William Ward (2020–2023) — Trustee
  • Former: Jana Deitch MD (2021–2023) — Surgeon
  • Former: Maryjane Finnegan (2023) — Cno
  • Former: Re Jason Grisafi (2023) — Trustee
  • Former: Anthony Marano (2020–2022) — Trustee
  • Former: Chris Pascucci (2020–2022) — Trustee
  • Former: Daniel Debarba (2020–2022) — Executive Vice President & CFO
  • Former: Daniel T. Rowe (2020–2022) — Trustee
  • Former: Frank L. Kurre (2020–2022) — Trustee
  • Former: Jason Golbin (2020–2022) — CMO
  • Former: Jerome Poller (2020–2022) — Secretary
  • Former: John Francfort MD (2020–2022) — Trustee
  • Former: Kevin J. Conway (2020–2022) — Trustee
  • Former: Michael Weber (2020–2022) — Medical Director
  • Former: Msgr Robert Morrisey (2020–2022) — Trustee
  • Former: Peter D'angelo (2020–2022) — Trustee
  • Former: Peter Dugandzic (2020–2022) — Trustee
  • Former: Stephen F. McLoughlin (2020–2022) — Trustee
  • Former: Virginia Ewen (2020–2022) — Trustee
  • Former: Alan D. Guerci MD (2020–2021) — President & CEO
  • Former: Michael Silverman (2020–2021) — COO
  • Former: Morad Awadallah MD (2020–2021) — Physician
  • Former: Robert Coughlan (2020–2021) — Trustee
  • Former: Reuben Burshtein (2020) — Physician
  • Former: William Armstrong (2020) — Senior Vice President Finance

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2024 IRS filing

Laurence Mermelstein — Physician: $1.3MLaurence MermelsteinPhysician$1.3MSushil Basra — Physician: $1.3MSushil BasraPhysician$1.3MRavi Ainapudi MD — Physician: $1.1MRavi Ainapudi MDPhysician$1.1MKanika Kaur MD — Physician: $966KKanika Kaur MDPhysician$966KBruce Mayerson — Neurologist: $945KBruce MayersonNeurologist$945KDeclan Doyle — President: $685KDeclan DoylePresident$685KMickel KHLAT — CMO (Thru 07/2024): $621KMickel KHLATCMO (Thru 07/2024)$621KRandolph Howard — COO (Thru 09/2024): $339KRandolph HowardCOO (Thru 09/2024)$339K

The highest reported compensation on the 2024 filing was $1.3M, to Laurence Mermelstein (Physician). 8 officers or directors reported compensation on that filing.

Frequently asked questions about St Catherine of Siena Medical Center

How much does St Catherine of Siena Medical Center give each year?

St Catherine of Siena Medical Center gave $78K across 1 grant in 2024, according to its 2024 IRS Form 990. In 2023 it gave $117K across 1 grant.

How large is St Catherine of Siena Medical Center?

St Catherine of Siena Medical Center reported $214.1M in total assets on its 2024 IRS Form 990. Its revenue that year was $267.2M.

What is St Catherine of Siena Medical Center?

St Catherine of Siena Medical Center is a public charity focused on Health, based in Smithtown, NY. It holds $214.1M in total assets as of 2024.

Where does St Catherine of Siena Medical Center operate?

St Catherine of Siena Medical Center has awarded grants in New York.

What is St Catherine of Siena Medical Center's EIN?

St Catherine of Siena Medical Center's EIN (Employer Identification Number) is 06-1562701. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated September 2026. Sourced from IRS Form 990 filings.

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2020 (received by the IRS November 12, 2021)
  2. Updated Form 990 for fiscal year 2021 (received by the IRS November 11, 2022)
  3. Updated Form 990 for fiscal year 2022 (received by the IRS November 13, 2023)
  4. Updated Form 990 for fiscal year 2023 (received by the IRS November 15, 2024)
  5. Updated Form 990 for fiscal year 2024 (received by the IRS November 17, 2025)
  6. IRS filings on file for fiscal years 2020–2024

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