Atty. John R. MacRill III

Atty. John R. MacRill III

John R. MacRill, III received his Bachelor of Arts in Philosophy at the University of Southern California in 1994.

Ontario Ontario 29 yrs experience 29 year
Call (840) 256-4246 Book Appointment

Profile Summary

About John R. MacRill III at a glance

John R. MacRill III is an Attorney based in Ontario, California, practicing at Davis, Grass, Goldstein & Finlay. They have 29+ years of legal experience, licensed to practice since 1997. Their practice focuses on medical malpractice, personal injury, nursing home, litigation, and elder law. Admitted to practice in California (1997). Educated at California Western School of Law (J.D., 1997) and University of Southern California (B.A., 1994). Recognitions include Peer Reviewed. Active member of San Bernardino Bar Association State Bar of California Association of Southern California Defense Counsel Southern California Association of Hospital Risk Managers. Serands clients in Ontario, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John R. MacRill, III received his Bachelor of Arts in Philosophy at the University of Southern California in 1994
  • Thereafter, he received Juris Doctorate from California Western School of Law and was admitted to the California Bar in 1997
  • Mr. MacRill is also licensed to practice in the United States District Court, Central District of California
  • He is a member of the Association of Southern California Defense Counsel and San Bernardino County Bar Association
  • Prior to joining Davis, Grass, Goldstein & Finlay, Mr. MacRill was an associate and later a partner in his family's law firm where he spent over 17 years representing members of the healthcare community and public entities in actions involving alleged medical malpractice, elder and dependent adult abuse, intentional torts, premises liability, as well as administrative hearings
  • Thereafter, he spent four years in the Riverside office of a prestigious Los Angeles based law firm where he continued to represent healthcare providers, but also handled high exposure cases involving general and commercial liability
  • For over two decades, Mr. MacRill's civil litigation practice has been dedicated to general and professional liability defense, including medical malpractice, elder and dependent adult abuse, premises liability, and other types of personal injury matters
  • He has successfully defended a variety of high exposure and/or complex cases, including many that involved catastrophic injuries as well as alleged wrongful death and punitive damages Blue Key (President, 1993-1994; Life Member)
  • Member, Order of the Palm, April 1994

Life Member

  • Residential Student Leadership Honorary, University of Southern California, March 1993
  • Skull and Dagger Senior Honor Society, University of University of Southern California, March 1993
  • Recipient, Academic Achievement Award for Biomedical Ethics, California Western School of Law, Summer 1995
  • Listed in Who's Who of American Law Students, California Western School of Law, Spring and Fall 1996

Practice Areas Explained

John R. MacRill III's Areas of Practice

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

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

John R. MacRill III is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in California →

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.

John R. MacRill III is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in California →

Nursing Home Abuse & Neglect

John R. MacRill III is one of 6,002 nursing home attorneys indexed nationally. Browse nursing home attorneys in California →

Civil Litigation

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

John R. MacRill III is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Elder Law

Elder law attorneys for Medicaid planning, long-term care, guardianship, conservatorship, and elder abuse.

John R. MacRill III is one of 53,430 elder law attorneys indexed nationally. Browse elder law attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in Ontario or all attorneys in California.

Frequently Asked

Common questions about John R. MacRill III

Where is John R. MacRill III's law office located?
John R. MacRill III's law practice is located in Ontario, California. The firm is Davis, Grass, Goldstein & Finlay. You can contact the office directly through this profile page.
What practice areas does John R. MacRill III handle?
John R. MacRill III focuses on medical malpractice, personal injury, nursing home, litigation, elder law. Each practice area listed reflects experience handling cases of that type in California.
How long has John R. MacRill III practiced law?
John R. MacRill III has 29+ years of legal experience and has been licensed since 1997.
Where did John R. MacRill III go to law school?
John R. MacRill III earned their education at (J.D., 1997); (B.A., 1994).
How can I contact John R. MacRill III for a consultation?
You can contact John R. MacRill III 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 R. MacRill III received?
John R. MacRill III's notable recognition includes: Peer Reviewed.

Education

J.D.
California Western School of Law
- 1997
B.A.
University of Southern California
- 1994

Awards

Peer Reviewed

Bar Admissions

California
Admitted: 1997

Reviews

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