Chief Operating Officer - Physician Enterprise at Integris Ambulatory Care Corporation. Listed as an officer, director, or key employee across 1 organization on the Form 990 record.
Ambiguous identityThis name matches 2 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
1
Roles reported
1
Reported compensation
$442K
Others who share this name
2
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.
Received $442K in total reported compensation on the most recent Form 990 (Part VII).
Facts extracted directly from each organization's Form 990, Part VII.
Biography Web-sourced
Matthew Nussbaum is Interim Deputy Executive Director of the Major League Baseball Players Association, having joined the MLBPA in 2011 after three years as an attorney for the NHLPA. He was promoted to General Counsel in 2023 and appointed to his current interim role on February 18, 2026.
Compiled from public web sources (4 cited), grounded to the filed record.
Track record
Career & tenure
Real tenure, career, and education — from public web sources, what you need to vet a founder or leader beyond the filing window.
Tenure here
15+ years (in player unions)
Education
University of Notre Dame
Notre Dame Law School
Affiliations
Organizations
Integris Ambulatory Care CorporationChief Operating Officer - Physician Enterprise · $339.7M revenue · Oklahoma City, OKTO IMPROVE THE HEALTH OF THE PEOPLE AND COMMUNITIES WE SERVE.Filed FY2024 · Source: Form 990, Part VII
$442Kreported comp
Disambiguation
Other people named Matthew Nussbaum
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.
M
Matthew Nussbaum1 organization · New York, NYMajor League Baseball Players Assn
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
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the organization.