John M. Callahan

John M. Callahan

Health Care Law
Recognized in Best Attorney USA since 2014

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Reviews

4.6 / 5

38 Reviews

1,034 Profile Views

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Olivia Pouros

Feb 02, 2026

Simply amazing representation from John M. Callahan's office during my recent legal matter

Honestly, I can't thank John M. Callahan enough for everything they've done for me. They really know their stuff when it comes to Health Care Law and it shows in the results. 10/10 would recommend to...

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Iris Cassin-Spencer

Feb 02, 2026

So glad I called John M. Callahan to handle my Health Care Law case in Chicago

Just wanted to say a huge thanks to John M. Callahan and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...

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Dianna Bahringer

Feb 02, 2026

Solid work and professional service from John M. Callahan in Chicago for Illinois residents

Needed help with Health Care Law and John M. Callahan delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in Illinois looking for high-quality leg...

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Greg Armstrong-Gottlieb

Feb 02, 2026

The absolute best in Chicago for Health Care Law - and I mean that from the bottom of my heart

I didn't think I'd find such a good lawyer in Illinois, but here we are and I am thoroughly impressed. John M. Callahan is just awesome and exceeded all my expectations. No complaints at all! They rea...

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Marianne Dickinson

Feb 02, 2026

Great people who truly care at John M. Callahan - the best legal team in Illinois

Everyone at John M. Callahan's office in Chicago was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never felt like...