Children's Orthopaedic Surgery Foundatio

Foundation · Grantmaker Boston, MA EIN: 04-2943146

The Foundation provides orthopaedic surgery services to patients at Boston Children's Hospital and at satellite locations. The mission strives to provide care for patients with a wide range of developmental, congenital, neuromuscular, and post (see Schedule O) traumatic problems of the musculoskeletal system. The Foundation also provides care for patients in need of orthopaedic services, regardless of their ability to pay.

Key facts about Children's Orthopaedic Surgery Foundatio

In short: Children's Orthopaedic Surgery Foundatio gave $6.1M across 2 grants in 2025 (avg $3.0M), mostly in Massachusetts. Source: 2025 IRS Form 990.

EIN
04-2943146
Latest 990 filing
Form 990, 2025
Annual giving (2025)
$6,054,000
Grants made (2025)
2
Average grant
$3,027,000
Median grant
$3,027,000
Total assets
$129,380,424
Primary geography
Massachusetts (99% of itemized 2025 grant dollars)

Data from IRS Form 990, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$129.4M

-13.2% YoY

Annual Giving

$6.1M

-76.8% YoY

Grant Count

2

-66.7% YoY

Avg Grant Size

$3.0M

-30.4% YoY

How Children's Orthopaedic Surgery Foundatio gives

  • Giving grew 4705% from 2022 to 2025. Method

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

About Children's Orthopaedic Surgery Foundatio

Based on IRS filings

Children's Orthopaedic Surgery Foundatio is a nonprofit organization focused on Health, based in Boston, MA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $129.4M in total assets. In 2025, it awarded 2 grants totaling $6.1M. Net investment income was $1.1M.

Focus Areas

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

6states

Share of all 2 itemized 2025 grant dollars.

Cities

RosemontBostonGaithersburgDeerfieldLaytonSan DiegoSonomaArlingtonEl CajonMinneapolisNewton

Giving Over Time

Total grant dollars and number of grants per year

$0$10M$20M$30M6 grants20196 grants20209 grants20219 grants20223 grants20236 grants20242 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Boston Children's Hospital: $6.0MBoston Children's Hospital$6.0MOrthopaedic Research and Education Foundation: $37KOrthopaedic Research andEducation Foundation$37K

Grant Size Distribution

29 grants across all recorded years

25<$50K$50–100K$100–250K$250–500K1$500K–1M$1–5M3$5M+

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Boston Children's Hospital Boston, MAGeneral Support$6,017,500
Orthopaedic Research and Education Foundation Rosemont, ILGeneral Support$36,500

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$50M$100M$150M2019202020212022202320242025
Metric202520242023
Total Assets$129,380,424$149,096,569$148,452,842
Revenue$93,476,479$89,580,176$76,080,289
Expenses$101,111,212$105,924,064$84,602,503
Qualifying Distributions———
Net Investment Income$1,149,490$4,709,849$1,055,802
Distributable Amount———

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2019 (received by the IRS August 17, 2020)
  2. Added Form 990 for fiscal year 2025 (received by the IRS August 14, 2026)
  3. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Officers and directors from IRS filings

Children's Orthopaedic Surgery Foundatio is led by Martha M Murray MD, President since 2021 (on filings since 2019); 39 of 42 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Martha M Murray MD

    President

    Director → President, 2021

    On filings since 2019

    55 hrs/week

    $632K (2019) → $909K (2025)

  • Andrea Bauer MD

    Director

    On filings since 2019

    60 hrs/week

    $757K (2019) → $1.1M (2025)

  • Andrea Straccolini MD

    Director

    Physician → Director, 2025

    On filings since 2019

    60 hrs/week

    $639K (2019) → $726K (2025)

  • Benjamin J Shore MD

    Director

    On filings since 2019

    60 hrs/week

    $1M (2019) → $1.8M (2025)

  • Benton E Heyworth MD

    Director

    On filings since 2019

    60 hrs/week

    $1.5M (2019) → $1.7M (2025)

  • Brian Snyder MD

    Director

    On filings since 2019

    60 hrs/week

    $588K (2019) → $562K (2025)

  • Carley Vuillermin MD

    Director

    On filings since 2019

    60 hrs/week

    $932K (2019) → $1.2M (2025)

  • Collin May MD

    Director

    On filings since 2019

    60 hrs/week

    $939K (2019) → $1.3M (2025)

  • Daniel J Hedequist MD

    Director

    On filings since 2019

    60 hrs/week

    $1.2M (2019) → $1.8M (2025)

  • Dennis E Kramer MD

    Director

    On filings since 2019

    60 hrs/week

    $1.1M (2019) → $1.4M (2025)

  • John B Emans MD

    Director

    On filings since 2019

    60 hrs/week

    $825K (2019) → $206K (2025)

  • M Timothy Hresko MD

    Director

    On filings since 2019

    60 hrs/week

    $822K (2019) → $895K (2025)

  • Matthew D Milewski MD

    Director

    On filings since 2019

    60 hrs/week

    $620K (2019) → $1.5M (2025)

  • Megan Hannon MD

    Director

    Director → Physician, 2021

    Physician → Director, 2022

    On filings since 2019

    60 hrs/week

    $610K (2019) → $742K (2025)

  • Michael B Millis MD

    Director

    On filings since 2019

    60 hrs/week

    $454K (2019) → $150K (2025)

  • Mininder S Kocher MD

    Director

    On filings since 2019

    55 hrs/week

    $1.8M (2019) → $2.5M (2025)

  • Susan Mahan MD

    Director

    On filings since 2019

    60 hrs/week

    $452K (2019) → $531K (2025)

  • Travis H Matheney MD

    Director

    On filings since 2019

    60 hrs/week

    $691K (2019) → $1.1M (2025)

  • Yi-Meng Yen MD

    Director

    On filings since 2019

    60 hrs/week

    $928K (2019) → $1.5M (2025)

  • Young-Jo Kim MD

    Director

    Clerk → Director, 2020

    On filings since 2019

    60 hrs/week

    $1M (2019) → $1.6M (2025)

  • Colyn J Watkins MD

    Director

    On filings since 2020

    60 hrs/week

    $895K (2020) → $1.1M (2025)

  • Craig Birch MD

    Director

    On filings since 2020

    60 hrs/week

    $118K (2020) → $1.4M (2025)

  • Melissa Christino MD

    Director

    On filings since 2020

    55 hrs/week

    $442K (2020) → $693K (2025)

  • William J Meehan III MD

    Director

    Physician → Director, 2025

    On filings since 2020

    55 hrs/week

    $946K (2020) → $667K (2025)

  • Grant Hogue MD

    Director

    On filings since 2021

    60 hrs/week

    $297K (2021) → $1.7M (2025)

  • Kiriaki C White MD

    Director

    On filings since 2022

    60 hrs/week

    $408K (2022) → $442K (2025)

  • Rebecca Vieira MD

    Director

    On filings since 2023

    60 hrs/week

    $502K (2023) → $569K (2025)

  • Aristides I Cruz MD

    Director

    On filings since 2024

    60 hrs/week

    $676K (2025)

  • Benjamin K Gundlach MD

    Director

    On filings since 2024

    60 hrs/week

    $159K (2025)

  • Joleen Weissert MD

    Director

    On filings since 2024

    60 hrs/week

    $107K (2025)

  • Kristin S Livingston MD

    Director

    On filings since 2024

    60 hrs/week

    $357K (2024) → $957K (2025)

  • Michelle Mo MD

    Director

    On filings since 2024

    60 hrs/week

    $879K (2024) → $1.2M (2025)

  • David Fogelman MD

    Director

    New on the 2025 filing

    60 hrs/week

    No compensation reported

  • David Liu MD

    Director

    New on the 2025 filing

    60 hrs/week

    No compensation reported

  • Jeansol Kang MD

    Director

    New on the 2025 filing

    60 hrs/week

    No compensation reported

  • Donald S Bae MD

    Treasurer

    Treasurer → Treasurer & President, 2021

    Treasurer & President → Treasurer, 2022

    On filings since 2019

    60 hrs/week

    $996K (2019) → $1.4M (2025)

  • Eduardo N Novais MD

    Physician

    Director → Physician, 2025

    On filings since 2019

    60 hrs/week

    $1.1M (2019) → $1.9M (2025)

  • Lyle J Micheli MD

    Physician

    Director → Physician, 2021

    On filings since 2019

    2 hrs/week

    $1.8M (2019) → $652K (2025)

  • Samantha A Spencer MD

    Clerk

    Director → Clerk, 2020

    On filings since 2019

    60 hrs/week

    $552K (2019) → $686K (2025)

  • Thomas J Hart

    Employee

    Key Executive → Employee, 2020

    On filings since 2019

    1 hr/week

    $522K (2019) → $471K (2025)

  • Kathryn Ackerman MD

    Physician

    On filings since 2022

    40 hrs/week

    $515K (2022) → $995K (2025)

  • Peter Kriz MD

    Physician

    New on the 2025 filing

    20 hrs/week

    $487K (2025)

Former officers (9)
  • Former: Lawrence I Karlin MD (2019–2024) — Director
  • Former: Michael Beasley MD (2019–2024) — Director
  • Former: Sarah Jackson MD (2022–2024) — Physician
  • Former: James R Kasser MD (2019–2023) — Director
  • Former: Michael O'Brien MD (2019–2023) — Physician
  • Former: Kristin Whitney MD (2022–2023) — Director
  • Former: Peter M Waters MD (2019–2022) — Former Officer
  • Former: Pierre d'Hemecourt MD (2019–2021) — Physician
  • Former: Michael P Glotzbecker MD (2019–2020) — Director

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Mininder S Kocher MD — Director: $2.5MMininder S Kocher MDDirector$2.5MEduardo N Novais MD — Physician: $1.9MEduardo N Novais MDPhysician$1.9MDaniel J Hedequist MD — Director: $1.8MDaniel J Hedequist MDDirector$1.8MBenjamin J Shore MD — Director: $1.8MBenjamin J Shore MDDirector$1.8MBenton E Heyworth MD — Director: $1.7MBenton E Heyworth MDDirector$1.7MGrant Hogue MD — Director: $1.7MGrant Hogue MDDirector$1.7MYoung-Jo Kim MD — Director: $1.6MYoung-Jo Kim MDDirector$1.6MYi-Meng Yen MD — Director: $1.5MYi-Meng Yen MDDirector$1.5MMatthew D Milewski MD — Director: $1.5MMatthew D Milewski MDDirector$1.5MDennis E Kramer MD — Director: $1.4MDennis E Kramer MDDirector$1.4MCraig Birch MD — Director: $1.4MCraig Birch MDDirector$1.4MDonald S Bae MD — Treasurer: $1.4MDonald S Bae MDTreasurer$1.4MCollin May MD — Director: $1.3MCollin May MDDirector$1.3MCarley Vuillermin MD — Director: $1.2MCarley Vuillermin MDDirector$1.2MMichelle Mo MD — Director: $1.2MMichelle Mo MDDirector$1.2MAndrea Bauer MD — Director: $1.1MAndrea Bauer MDDirector$1.1MTravis H Matheney MD — Director: $1.1MTravis H Matheney MDDirector$1.1MColyn J Watkins MD — Director: $1.1MColyn J Watkins MDDirector$1.1MKathryn Ackerman MD — Physician: $995KKathryn Ackerman MDPhysician$995KKristin S Livingston MD — Director: $957KKristin S Livingston MDDirector$957KMartha M Murray MD — President: $909KMartha M Murray MDPresident$909KM Timothy Hresko MD — Director: $895KM Timothy Hresko MDDirector$895KMegan Hannon MD — Director: $742KMegan Hannon MDDirector$742KAndrea Straccolini MD — Director (4/25-9/25): $726KAndrea Straccolini MDDirector (4/25-9/25)$726KMelissa Christino MD — Director: $693KMelissa Christino MDDirector$693KSamantha A Spencer MD — Clerk: $686KSamantha A Spencer MDClerk$686KAristides I Cruz MD — Director: $676KAristides I Cruz MDDirector$676KWilliam J Meehan III MD — Director (10/24-3/25): $667KWilliam J Meehan III MDDirector (10/24-3/25)$667KLyle J Micheli MD — Physician: $652KLyle J Micheli MDPhysician$652KRebecca Vieira MD — Director: $569KRebecca Vieira MDDirector$569KBrian Snyder MD — Director: $562KBrian Snyder MDDirector$562KSusan Mahan MD — Director: $531KSusan Mahan MDDirector$531KPeter Kriz MD — Physician: $487KPeter Kriz MDPhysician$487KThomas J Hart — Employee: $471KThomas J HartEmployee$471KKiriaki C White MD — Director: $442KKiriaki C White MDDirector$442KJohn B Emans MD — Director: $206KJohn B Emans MDDirector$206KBenjamin K Gundlach MD — Director: $159KBenjamin K Gundlach MDDirector$159KMichael B Millis MD — Director: $150KMichael B Millis MDDirector$150KJoleen Weissert MD — Director: $107KJoleen Weissert MDDirector$107K

Frequently asked questions about Children's Orthopaedic Surgery Foundatio

How much does Children's Orthopaedic Surgery Foundatio give each year?

Children's Orthopaedic Surgery Foundatio gave $6.1M across 2 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $26.1M across 6 grants.

How large is Children's Orthopaedic Surgery Foundatio?

Children's Orthopaedic Surgery Foundatio reported $129.4M in total assets on its 2025 IRS Form 990. Its revenue that year was $93.5M.

What is Children's Orthopaedic Surgery Foundatio?

Children's Orthopaedic Surgery Foundatio is a nonprofit organization focused on Health, based in Boston, MA. It holds $129.4M in total assets as of 2025.

Where does Children's Orthopaedic Surgery Foundatio operate?

Children's Orthopaedic Surgery Foundatio has awarded grants in California, Illinois, Massachusetts, Maryland, Minnesota, Utah.

What is Children's Orthopaedic Surgery Foundatio's EIN?

Children's Orthopaedic Surgery Foundatio's EIN (Employer Identification Number) is 04-2943146. IRS Form 990 filing data is available on this page for 2019–2025.

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

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