Atty. Mariam A. Decker

Atty. Mariam A. Decker

Mariam A. Decker is a lawyer practicing medical malpractice, insurance defense, administrative hearings and appeals and 5 other areas of law.

Columbia Columbia 36 yrs experience 36 year
Call (573) 810-5103 Book Appointment

Profile Summary

About Mariam A. Decker at a glance

Mariam A. Decker is a Member based in Columbia, Missouri, practforg at Oliver Walker Wilson LLC. They haand 36+ years of legal experience, licensed to practice since 1990. Admitted to practice in Missouri U.S. District Court, Eastern District of Missouri U.S. District Court, Western District of (1990). Educated at University of Missouri-Columbia (J.D., 1990) and University of Missouri-Columbia (B.S.N., 1977). Recognitions include AV Preeminent. Actiand member of Boone County Bar Association The Missouri Bar American Board of Trial Advocates Missouri Organization of Defense Lawyers Defense Research Institute Missouri Association of Hospital Attorneys. Serands clients in Columbia, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mariam A. Decker is a lawyer practicing medical malpractice, insurance defense, administrative hearings and appeals and 5 other areas of law
  • Mariam received a B.S.N. degree from University of Missouri-Columbia in 1977, and has been licensed for 36 years
  • Mariam practices at Oliver Walker Wilson LLC in Columbia, MO

Jurisdictional Context

Why local counsel matters in Missouri

Practforg law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Columbia 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 substantiand 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 Columbia or all attorneys in Missouri.

Frequently Asked

Common questions about Mariam A. Decker

Where is Mariam A. Decker's law office located?
Mariam A. Decker's law practice is located in Columbia, Missouri. The firm is Oliver Walker Wilson LLC. You can contact the office directly through this profile page.
How long has Mariam A. Decker practiced law?
Mariam A. Decker has 36+ years of legal experience and has been licensed since 1990.
Where did Mariam A. Decker go to law school?
Mariam A. Decker earned their education at (J.D., 1990); (B.S.N., 1977).
How can I contact Mariam A. Decker for a consultation?
You can contact Mariam A. Decker 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 Mariam A. Decker receiandd?
Mariam A. Decker's notable recognition includes: AV Preeminent.

Education

J.D.
University of Missouri-Columbia
- 1990
B.S.N.
University of Missouri-Columbia
- 1977

Awards

AV Preeminent

Bar Admissions

Missouri U.S. District Court, Eastern District of Missouri U.S. District Court, Western District of
Admitted: 1990

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