Atty. John C. Hannegan

Atty. John C. Hannegan

John C. Hannegan is a lawyer practicing health care, administrative, real estate and 1 other area of law.

St. Louis St. Louis 66 yrs experience 66 year
Call (913) 399-2523 Book Appointment

Profile Summary

About John C. Hannegan at a glance

John C. Hannegan is a real estate, government, and health care attorney based in St. Louis, Missouri. They have 66+ years of legal experience, licensed to practice since 1960. Admitted to practice in Missouri (1960), U.S. District Court, Eastern District of Missouri (1971), and U.S. District Court, Western District of Missouri U.S. Claims Court, U.S. Supreme Court and U.S. Tax (1971). Educated at St. Louis University (J.D., 1960) and University of Missouri (A.B., 1957). Recognitions include AV Preeminent. Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John C. Hannegan is a lawyer practicing health care, administrative, real estate and 1 other area of law
  • John C. received a A.B. degree from University of Missouri in 1957, and has been licensed for 66 years
  • John C. practices in St. Louis, MO

Practice Areas Explained

John C. Hannegan's Areas of Practice

Each practice area below reflects the types of cases John C. Hannegan handles, with a brief overview of what that area of law covers.

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

John C. Hannegan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Missouri →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

John C. Hannegan is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Missouri →

Health Care Law

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

John C. Hannegan is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in St. Louis are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri 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 Missouri courts without local counsel or pro hac vice admission.

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about John C. Hannegan

Where is John C. Hannegan's law office located?
John C. Hannegan's law practice is located in St. Louis, Missouri. You can contact the office directly through this profile page.
What practice areas does John C. Hannegan handle?
John C. Hannegan focuses on real estate, government, health care. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has John C. Hannegan practiced law?
John C. Hannegan has 66+ years of legal experience and has been licensed since 1960.
Where did John C. Hannegan go to law school?
John C. Hannegan earned their education at (J.D., 1960); (A.B., 1957).
How can I contact John C. Hannegan for a consultation?
You can contact John C. Hannegan 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 John C. Hannegan received?
John C. Hannegan's notable recognition includes: AV Preeminent.

Education

J.D.
St. Louis University
- 1960
A.B.
University of Missouri
- 1957

Awards

AV Preeminent

Bar Admissions

Missouri
Admitted: 1960
U.S. District Court, Eastern District of Missouri
Admitted: 1971
U.S. District Court, Western District of Missouri U.S. Claims Court, U.S. Supreme Court and U.S. Tax
Admitted: 1971

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