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Form 990-PFTax year 2025EIN 95-4511639

Endocrine Fellows Foundation

A private foundation in Marion, CT. Its return for tax year 2025 lists 7 grants and $75,000 paid in grants.

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Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $75,000

    Grants listed
    7
    Assets, end of year
    $527,120

  • Tax year 2024

    $96,000

    Grants listed
    6
    Assets, end of year
    $619,281

  • Tax year 2023

    $27,500

    Grants listed
    3
    Assets, end of year
    $722,356

  • Tax year 2022

    $102,500

    Grants listed
    12
    Assets, end of year
    $598,686

  • Tax year 2021

    $110,000

    Grants listed
    11
    Assets, end of year
    $594,664

  • Tax year 2020

    $102,500

    Grants listed
    18
    Assets, end of year
    $583,015

  • Tax year 2019

    $112,500

    Grants listed
    19
    Assets, end of year
    $585,330

  • Tax year 2018

    $42,500

    Grants listed
    6
    Assets, end of year
    $495,609

Grants paid in 2025

7 grants, largest first

As listed on the return.

  1. Massachusetts General HospitalBoston, MA

    Research and education

    $20,000
  2. Children's Hospital ColoradoAurora, CO

    Research and education

    $10,000
  3. Duke UniversityDurham, NC

    Research and education

    $10,000
  4. Mayo Clinic ResearchRochester, MN

    Research and education

    $10,000
  5. The Trustees of Columbia University in the City of New York CityNew York, NY

    Research and education

    $10,000
  6. University of ChicagoChicago, IL

    Research and education

    $10,000
  7. Yale UniversityNew Haven, CT

    Research and education

    $5,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education2 grants $20,000100% of the total

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts1 grant $20,000
  2. Colorado1 grant $10,000
  3. Illinois1 grant $10,000
  4. Minnesota1 grant $10,000
  5. North Carolina1 grant $10,000
  6. New York1 grant $10,000
  7. Connecticut1 grant $5,000

Officers, directors and trustees

6 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • John P Bilezikian MDChair Hours 6Pay $13,500
  • Nalatie Nokoff MD MSSecretary Hours 3Pay $5,000
  • Ricardo Correa MD eDDPresident Hours 3Pay $8,000
  • Theodora Pappa MD PhDTreasurer Hours 3Pay $5,000
  • Jennifer KirkwoodExecutive Director Hours 15Pay $55,400
  • Mark StolarFormer President Hours 2Pay $4,000

The return

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