Ambiguous identityThis name matches 1 other individual 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
Reported compensation
$798K
Others who share this name
1
Who this is
Profile
Everything on the left is verified from the IRS filings. The biography on the right is compiled from public web sources and grounded to that filed record.
✓ Verified from filings
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Reported as SVP, Chief Medical Officer of Main Line Services, based in Radnor, PA.
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Received $798K 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
Dr. Jonathan B.
Stallkamp is Senior Vice President and Chief Medical Officer of Main Line Health (Pennsylvania), overseeing medical staff functions and clinical quality. He joined the health system in 2005 and has held progressive clinical leadership roles including director of hospital medicine and vice president of medical affairs.
Compiled from public web sources (3 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
Since 2005 at Main Line Health; Chief Medical Officer since December 2021
Education
Yale University (BA)
Jefferson Medical College (MD)
Northwestern University (Residency in Internal Medicine)
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Find them online
Primary links to check this person directly — their own pages, not an aggregator.
Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.
Main Line ServicesSVP, Chief Medical Officer · $248.4M revenue · Radnor, PAMAIN LINE SERVICES IS ORGANIZED TO PROVIDE ADMINISTRATIVE SUPPORT AND CENTRALIZED MANAGEMENT SERVICES TO THE MEMBERS OF THE MAIN LINE HEALTH SYSTEM.…pay $733K → $798KFiled FY2024, FY2023, FY2022 · Source: Form 990, Part VII
$798Kreported comp
Riddle Memorial HospitalSenior VP & CMO · $248.7M revenue · Radnor, PATHE MISSION OF RIDDLE MEMORIAL HOSPITAL IS TO PROVIDE A COMPREHENSIVE RANGE OF SAFE, HIGH QUALITY HEALTH SERVICES THAT MEET HEALTHCARE NEEDS AND…Filed FY2022, FY2021 · Source: Form 990, Part VII
Main Line Hospitals INCSenior VP & CMO · $1.6B revenue · Radnor, PATHE MISSION OF MAIN LINE HOSPITALS, INC. IS TO PROVIDE A COMPREHENSIVE RANGE OF SAFE, HIGH QUALITY HEALTH SERVICES, COMPLEMENTED BY EDUCATIONAL AND…pay $397K → $541KFiled FY2022, FY2021 · Source: Form 990, Part VII
Disambiguation
Other people named Jonathan Stallkamp
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.
J
Jonathan Stallkamp1 organization · Philadelphia, PAHealth Care Improvement Foundation
Network
Serves alongside
Other officers, directors & key employees at this person's organizations, by latest reported compensation.
Written by other verified members of the network — visible once you're a verified person yourself.
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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
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