Atty. Michael R. Callahan

Atty. Michael R. Callahan

Michael R. Callahan is a lawyer practicing personal injury, health care, health care civil litigation and 10 other areas of law.

Chicago Chicago 47 yrs experience 47 year
Call (312) 625-2017 Book Appointment

Profile Summary

About Michael R. Callahan at a glance

Michael R. Callahan is a Partner based in Chicago, Illinois, practicing at Katten Muchin Rosenman LLP. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on personal injury, tax, m&a, litigation, and health care. Admitted to practice in Illinois U.S. District Court, Northern District of Illinois U.S. Court of Appeals, Seventh Circuit (1979) and Michigan (2021). Educated at DePaul University College of Law (J.D., 1979) and Northern Illinois University (B.A., 1975). Recognitions include AV Preeminent. Active member of Chicago and American Bar Associations Illinois Association of Hospital Attorneys American Health Lawyers Association. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Michael R. Callahan is a lawyer practicing personal injury, health care, health care civil litigation and 10 other areas of law
  • Michael received a B.A. degree from Northern Illinois University in 1975, and has been licensed for 47 years
  • Michael practices at Katten Muchin Rosenman LLP in Chicago, IL

Practice Areas Explained

Michael R. Callahan's Areas of Practice

Each practice area below reflects the types of cases Michael R. Callahan handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Michael R. Callahan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Illinois →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Michael R. Callahan is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Illinois →

Mergers & Acquisitions

Michael R. Callahan is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Illinois →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Michael R. Callahan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Illinois →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Michael R. Callahan is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Michael R. Callahan

Where is Michael R. Callahan's law office located?
Michael R. Callahan's law practice is located in Chicago, Illinois. The firm is Katten Muchin Rosenman LLP. You can contact the office directly through this profile page.
What practice areas does Michael R. Callahan handle?
Michael R. Callahan focuses on personal injury, tax, m&a, litigation, health care. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Michael R. Callahan practiced law?
Michael R. Callahan has 47+ years of legal experience and has been licensed since 1979.
Where did Michael R. Callahan go to law school?
Michael R. Callahan earned their education at (J.D., 1979); (B.A., 1975).
How can I contact Michael R. Callahan for a consultation?
You can contact Michael R. Callahan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Michael R. Callahan received?
Michael R. Callahan's notable recognition includes: AV Preeminent.

Education

J.D.
DePaul University College of Law
- 1979
B.A.
Northern Illinois University
- 1975

Awards

AV Preeminent

Bar Admissions

Illinois U.S. District Court, Northern District of Illinois U.S. Court of Appeals, Seventh Circuit
Admitted: 1979
Michigan
Admitted: 2021

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