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Employees Lahey Clinic Inc. Antoniades Efstathios

Antoniades Efstathios

Former

Former Chief Operating Officer at Lahey Clinic Inc.

Fiscal year ended September 30, 2023. Published on January 25, 2026.

$387,575
2023

Total compensation

Antoniades Efstathios has been listed as an employee of Lahey Clinic Inc. in Form 990 filings since fiscal year 2019. Total compensation for Antoniades Efstathios has decreased by 37% from 2019 to 2023.

Annual compensation details

$387,575
-47.7%
Former Chief Operating Officer
2023
$213k
--
$176k
--
$741,663
+8.9%
Chief Operating Officer
2022
$687k
57 hrs/wk
$56k
--
$681,155
-12.4%
Chief Operating Officer
2021
$625k
57 hrs/wk
$57k
--
$777,346
+26.3%
Chief Operating Officer
2020
$153k
10 hrs/wk
$573k
30 hrs/wk
$53k
--
$615,447
Senior Vice President and COO LHMC
2019
$562k
40 hrs/wk
$55k
--

Total compensation by year

Compare the compensation of Antoniades Efstathios to:

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Revisions to this profile

January 25, 2026:
2023 Lahey Clinic Inc. 990 published
January 25, 2026:
2022 Lahey Clinic Inc. 990 published
January 25, 2026:
2021 Lahey Clinic Inc. 990 published

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2023

Other employees at Lahey Clinic Inc.

Tabb M.D. Kevin
TTEE (EX Officio) and CEO (Ex-Off)
$2,807,152
$0 $2,507,235 $299,917
Kerndl John
Treas (Ex-Off) (EVP and CFO, Bilh)
$1,335,872
$0 $1,301,463 $34,409
Ghogawala Zoher
DIV Chair and Neurosurgeon
$1,238,048
$1,158,432 No related comp$79,616
Shekar Prem S
Chair,Cardiac and Thoracic Surgery
$1,191,929
$1,125,894 No related comp$66,035
Longworth M.D. David
Trustee (Ex-Officio) and President
$1,142,308
$0 $1,110,533 $31,775
Whitmore Robert G
Physician, Neurosurgery
$1,038,352
$989,870 No related comp$48,482
Rios Cindy
Treas (Ex-Off) (Interim CFO, Bilh)
$1,022,982
$0 $802,046 $220,936
Yew Andrew Y
Physician, Neurosurgery
$967,427
$914,369 No related comp$53,058
Katz Esq Jamie
Clerk (Ex-Officio)
$914,057
$0 $898,193 $15,864

Other people named Antoniades Efstathios

2023
Employee
Antoniades Efstathios
Beth Israel Lahey Health Pharmacy Inc.
$741,663
Employee
Antoniades Efstathios
Lahey Clinic Foundation Inc.
$387,575
Employee
Antoniades Efstathios
Lahey Clinic Hospital Inc.
$387,575