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Mary Kate McGrath

2000 Market Street, Suite 2300
Philadelphia, PA 19103
(215) 575-2863
(215) 575-0856 - Fax

Mary Kate is a member of the Health Care Department at Marshall Dennehey. She has extensive experience in the defense of health care providers, hospitals, health systems, rehabilitation centers and skilled nursing facilities from the onset of a client's involvement in a case through the appellate level. She also handles matters involving fraud and abuse, including defending and advising health care clients regarding government payment programs, electronic discovery and privacy matters.

Mary Kate obtained a defense verdict in the Philadelphia County Court of Common Pleas representing all of the defendants, including a physical therapist and a local hospital, in a claim for medical negligence wherein the 70-year-old plaintiff alleged that she sustained permanent injuries during a physical therapy session. 

Prior to beginning her legal career, Mary Kate was a professional actor who worked on Broadway, off-Broadway and in regional theaters across the country. She was nominated for Barrymore Awards for performances at Philadelphia's Walnut Street Theater and Arden Theater Company. Following graduation from Brooklyn Law School in 2001, Mary Kate continued to perform nationally in theatrical productions and concerts before seeking admission to the Pennsylvania bar in 2003.

Mary Kate is an active member of her community, supporting several local organizations. She is currently serving as solicitor for the Central Montgomery Mental Health/Mental Retardation Center. She has served as a pro bono child advocate for the Montgomery Child Advocacy Project, and has volunteered for Our Mother of Consolation Parish and Norwood Fontbonne Academy. She has also volunteered with the Chestnut Hill Business Association, and in 2011 served as the Chair of the Steering Committee for the First Annual Harry Potter Weekend in Chestnut Hill. 

Classes/Seminars Taught

  • "Telehealth: Old Dogs, New Tricks?,” TeamHealth 25th Annual Defense Counsel Summit, March 23, 2018

  • Quality Monitoring with "CPR" – Coding, Payback and Reporting to the OIG, Pennsylvania Health Care Association Annual Convention and Trade Show, September 27, 2016

Published Works


  • Brooklyn Law School, New York, NY (J.D., 2001)

  • Northwestern University, Chicago, IL (B.M., 1994)

Law Alerts April 1, 2018
The Pennsylvania Supreme Court granted review to determine whether or not the Pennsylvania Superior Court committed an error of law in: (1) holding that a health care system client waives the work-product protection when its counsel exchanges pre-..., Case Law Alerts, 2nd Quarter, April 2018 Case Law Alerts is prepared by Marshall Dennehey Warner Coleman & Goggin to provide information on recent developments of interest to our readers. This publication is not intended to provide legal advice...
Law Alerts April 1, 2016
The Pennsylvania Supreme Court has denied review of Venosh v. Henzes, et al., causing confusion regarding the circumstances in which the privileges of the Peer Review Protection Act (PRPA) attach to an investigation involving the provision of health..., Case Law Alerts, 2nd Quarter, April 1, 2016 Case Law Alerts is prepared by Marshall Dennehey Warner Coleman & Goggin to provide information on recent developments of interest to our readers. This publication is not intended to provide legal...
Law Alerts June 9, 2015
Edited by Mary Kate McGrath, Esq. Allegheny Court Refuses to Recognize Negligence Claim for Data Breach Dittman v. UPMC, C.C.P. Allegheny No. GD-14-003285 On May 28, 2015, the Honorable Stanton Wettick sustained preliminary objections in Dittman..., The material in this law alert has been prepared for our readers by Marshall Dennehey Warner Coleman & Goggin. It is solely intended to provide information on recent legal developments, and is not intended to provide legal advice for a...
Law Alerts October 1, 2014
Pennsylvania may take a huge step forward in remedying its reputation as a hostile environment for medical providers in the form of legislation introduced by Representative Bryan Cutler (R) of 100th Legislative District of Pennsylvania. This..., Case Law Alerts, 4th Quarter, October 2014
Law Alerts October 18, 2013
In June 2013, the Pennsylvania Senate passed the Senate Bill No. 379, the Benevolent Gesture Medical Professional Liability Act, also known as the Apology Act. The bill, which passed the Pennsylvania House of Representatives, returns to the House in..., Case Law Alerts, 4th Quarter 2013
Aug 25, 2016
Obtained a defense verdict in state court in Montgomery County involving aspiration pneumonia suffered by the plaintiff during a routine colonoscopy. We represented the gastroenterologist who had nothing to do with the administration of anesthesia....
Apr 21, 2016
Obtained a unanimous defense verdict in Bucks County, Pennsylvania on behalf of an emergency department physician who allegedly failed to diagnose a severe fracture of the tibial plateau shortly after the plaintiff claimed to have been pushed into a...
January 3, 2018
Marshall Dennehey Warner Coleman & Goggin announced today that 14 associates and one special counsel have been elevated to shareholder, with 60 percent of the new shareholder class comprised of women. In Philadelphia, the new shareholders are: Lawrence J. Bartel, shareholder in the firm's...


  • Brooklyn Law School (J.D., 2001)
  • Northwestern University (B.M., 1994)

Bar Admissions

  • Pennsylvania, 2003

Associations & Memberships

  • Actors Equity Association
  • Central Montgomery Mental Health/Mental Retardation Center, Solicitor (2015-2016)
  • Philadelphia Area Society of Healthcare Risk Management

Honors & Awards

  • Pennsylvania Super Lawyers Rising Star, 2009-2013

Year Joined Organization: 2012

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