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JM
Person · officer / director

John Masterson

Treasurer · Wyoming Medical Center Foundation

Treasurer at Wyoming Medical Center Foundation. Listed as an officer, director, or key employee across 3 organizations on the Form 990 record.

This is me
Ambiguous identity This name matches 18 other individuals we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.
Organizations
3
Roles reported
3
Others who share this name
18

Who this is

Profile

The filed facts are verified from the IRS filings. The biography is compiled from public web sources and grounded to that filed record.

✓ Verified from filings
●
Reported as Treasurer of Wyoming Medical Center Foundation, based in Casper, WY.
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Also listed as Director Thru 09/20 of Wyoming Medical Center INC, uncompensated.
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Also listed as Trustee of Natrona County Public Library Foundation, uncompensated.
Facts extracted directly from each organization's Form 990, Part VII.
Biography In progress
We're building a sourced biography for every person — from filings, news, and public records, citing where each fact comes from. Person-name searches are our single largest source of demand, so this is what we're shipping next.

Affiliations

Organizations

Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.

Natrona County Public Library Foundation Trustee · $363K revenue · Casper, WYPROVIDING SUPPORT FOR THE NATRONA COUNTY PUBLIC LIBRARYFiled FY2024, FY2023 · Source: Form 990, Part VII
Wyoming Medical Center Foundation Treasurer · $17.3M revenue · Casper, WYTO ENHANCE EXCELLENCE IN HEALTHCARE DELIVERY AT WYOMING MEDICAL CENTER.Filed FY2021, FY2020 · Source: Form 990, Part VII
Wyoming Medical Center INC Director Thru 09/20 · $155.5M revenue · Phoenix, AZSEE SCHEDULE OASSIST BANNER HEALTH COMPLETE ITS MISSION TO MAKE HEALTH CARE EASIER, SO LIFE CAN BE BETTER BY PROVIDING INTEGRATED AND COORDINATED…Filed FY2020 · Source: Form 990, Part VII

Disambiguation

Other people named John Masterson

Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.

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John Masterson 1 organization · Casper, WYTate Charitable Foundation
J
John Masterson 1 organization · Tenafly, NJKnickerbocker Country Club
J
John Masterson 1 organization · Buffalo, WYThe Wyldlife Fund
J
John Masterson 1 organization · Olympia, WAOlympia Early Learning Center
J
John Masterson 1 organization · Iola, KSYour Community Foundation
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John Masterson 1 organization · Casper, WYTroopers Foundation INC Attn James R Montgomery
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John Masterson 1 organization · Salina, KSHeartland Works INC
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John Masterson 1 organization · Oxford, PAThe International Group for Historic Aircraft Recovery
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John Masterson 1 organization · Abilene, TXHendrick Provider Network
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John Masterson 1 organization · Cheyenne, WYWyoming Association of Non Profit Organizations
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John Masterson 1 organization · Jonesboro, ARAuxiliary to St Bernards Regional Medical Center
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John Masterson 1 organization · Iola, KSSleeper Trust
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John Masterson 1 organization · T Or C, NMMainstreet of Truth or Consequences
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John Masterson 1 organization · Indianapolis, INDrum Corps International INC
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John Masterson 1 organization · Casper, WYTroopers Drum and Bugle Corps INC
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John Masterson 1 organization · Lacey, WALacey Rotary Foundation
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John Masterson 1 organization · Medford, MAManagement Sciences for Health INC
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John Masterson 1 organization · Iola, KSBowlus Fine Arts and Cultural Center Trust

Network

Serves alongside

Other officers, directors & key employees at this person's organizations, by latest reported compensation.

M
CEO Thru 9/20 · FY2020
$2.3M
P
Neurosurgeon · FY2020
$1.3M
B
Neurosurgeon · FY2021
$1.3M
P
Neurosurgeon · FY2021
$1.2M
W
Neurosurgeon Thru 3/20 · FY2020
$818K
J
CEO Thru 11/20 · FY2020
$636K
R
Nephrology · FY2020
$614K
R
Nephrology · FY2021
$567K
T
Intensivist - Pulmonary Medicine · FY2020
$522K
T
Anesthesiologist · FY2020
$516K
C
Nephrology · FY2019
$511K
T
Intensivist - Pulmonary Medicine · FY2021
$508K

Network

Recommendations

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Sisters of Charity of Leavenworth Health System INC$990.7M revenue · Salt Lake Cty, UT
F
Faculty Physicians and Surgeons of Llusm$768.7M revenue · Loma Linda, CA

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Public data from IRS Form 990 e-file & the Business Master File. Individuals appear here because they were named as an officer, director, or key employee on a nonprofit's Form 990; people are grouped by name plus corroborating evidence (Schedule R, shared address, shared board members). · philanthropy.org