Ronald D. Mercaldo

Top rated medical malpractice attorney in Tucson, Arizona

Mercaldo Law Firm
Ronald D. Mercaldo
Mercaldo Law Firm

Practice Areas: Medical malpractice, Personal injury; view more

Licensed in Arizona since: 1971

Education: The University of Arizona James E. Rogers College of Law

Selected to Super Lawyers: 2007 - 2023

Mercaldo Law Firm

1853 North Kolb Road
Tucson, AZ 85715 Visit website


The founder of The Mercaldo Law Firm located in Tucson, Arizona, Ronald D. Mercaldo focuses his practice exclusively on personal injury and wrongful death litigation. He provides representation to clients in the state and across the Southwest who have been harmed by the negligence of others in cases involving medical malpractice, commercial vehicle accidents and similar matters.

As an undergraduate, Mr. Mercaldo attended the University of Arizona and received a Bachelor of Science in 1967. He then went on to attend what was then known as the University of Arizona James E. Rogers College of Law and was awarded his Juris Doctor in 1971. After graduation, Mr. Mercaldo spent several years at a civil litigation firm that provided defense counsel to insurance companies in personal injury lawsuits until founding The Mercaldo Law Firm in 1978. This experience has served him in good stead in his plaintiff's practice as it allows him to anticipate the strategies that insurers are likely to employ. Admitted to practice in Arizona and before the U.S. District Court for the District of Arizona, Mr. Mercaldo has been certified by the State Bar of Arizona as a specialist in personal injury and wrongful death.

Throughout his long and distinguished career, Mr. Mercaldo has earned the high esteem of his fellow attorneys for his superb ethics and excellent record on behalf of his clients. This is attested to by his receipt of an AV Preeminent* peer-review rating through Martindale-Hubbell and a "Superb" peer-review rating through Avvo. He has been an active participant in the State Bar of Arizona, and he is a former chairman of its Professionalism Committee. Mr. Mercaldo has also served on its Civil Jury Instructions Committee, and he is a member of several other legal organizations, including the American College of Trial Lawyers.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories – legal ability and general ethical standards.

Practice areas

Personal injury - medical malpractice: plaintiff, Personal injury - general: plaintiff

Focus areas

Medical malpractice, Motor vehicle accidents, Personal injury - plaintiff, Wrongful death

  • 80% Personal injury - medical malpractice: plaintiff
  • 20% Personal injury - general: plaintiff

First Admitted: 1971, Arizona

Professional Webpage:

Scholarly Lectures/Writings:
  • Frequent Lecturer to the Arizona Trial Lawyers Association on various litigation topics 
  • Frequent Lecturer to the State Bar of Arizona on various litigation topics
Special Licenses/Certifications:
  • Certified by the State Bar of Arizona in Personal Injury and Wrongful Death Litigation
Bar/Professional Activity:
  • State Bar of Arizona, Judicial Selection Committee
  • Southern Arizona Trial Lawyers Association, President
  • Arizona, 1971
  • State Bar of Arizona, Professionalism and Peer Review Committee, Chairman
  • Morris K. Udall American Inn of Court, President
  • State Bar of Arizona, Jury Instruction Committee
  • American Board of Trial Advocates, Ariz., President
Educational Background:
  • University of Arizona
  • “Arizona’s Finest Lawyers”
  • Named one of America’s top 500 lawyers
  • Fellow, American College of Trial Lawyers
  • “Southwest Super Lawyers”
  • AV rated lawyer in Martindale-Hubble
  • “Best Lawyers in America”
  • Listed in the bar registry of Preeminent Lawyers

Office location for Ronald D. Mercaldo

1853 North Kolb Road
Tucson, AZ 85715

Phone: 520-624-1400


17 Years Super Lawyers
  • Super Lawyers: 2007 - 2023

Top Lists

Top 50: Arizona Super Lawyers: 2017

Certificates and credentials

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