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Our diverse group of physicians provide unparalleled expertise and experience in the groundbreaking field of regenerative therapy.

Medical Staff


Gregory N. Murphy


Medical Director

Interventional Pain Management

Assistant Professor, Queen’s University

Dr. Greg Murphy graduated from Queen’s University with a degree in Life Science in 1988 and from the Queen’s School of Medicine in 1990.  From 1990-1995, he completed his Anaesthesia training at Kingston General Hospital and Queen’s University.


Dr. Murphy completed a Fellowship in Paediatric Anaesthesiology at Harvard-affiliated Boston Children’s Hospital from 1996-1997. He was an Assistant Professor at Queen’s University from 1997 until 2002, when he left to practice anaesthesiology at Samaritan Medical Center in Watertown, New York. In 2003, Dr. Murphy became the Chair of Samaritan’s Anesthesiology Department and was instrumental in establishing the hospital’s first Pain Clinic.

Dr. Murphy returned to Kingston, in 2008, to open KOPI, where he is presently Medical Director and again associated with Queens University as an assistant professor and resident teacher in interventional chronic pain.

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David Smith


Interventional Pain Management

Astra Fellow in Regional Anesthesia

Dr. Smith graduated from the University of Pennsylvania in 1985 with a combined degree in biology, psychology, and physical anthropology and received his medical degree in 1991 from the Columbia College of Physicians and Surgeons in New York City.  


He completed an internship in internal medicine and a residency in anesthesiology at the Cleveland Clinic Foundation in Cleveland, Ohio. Dr. Smith finished his training in Seattle, Washington where he completed a one year Astra Fellowship in regional anesthesia.

He is an expert in the clinical use of ultrasound guided regional nerve blocks. Dr. Smith is board certified by the American Board of Anesthesiology and licensed to practice both in New York State and Ontario, Canada.


Scott Shallow


Dip. Sports and Exercise Medicine

Interventional Sports Medicine

Dr. Scott Shallow completed his undergraduate training in Kinesiology (2012) and Medical School (2016) at McMaster University. His training in Family Medicine was completed at Queen's University (2018), and completed subspecialty fellowship training in Sport & Exercise Medicine at McMaster University (2019). He was awarded the Canadian Academy of Sport & Exercise Medicine (CASEM) diploma of Sport Medicine (Dip. Sport Med) upon completion of his fellowship. 


Dr. Shallow has extensive experience in team sports medicine and event coverage which has included the Toronto Rock, Kingston Frontenacs, Hamilton Bulldogs, Queen's football, Royal Military College hockey & rugby, McMaster Marauders football & rugby, Team Canada Cycling, Team Canada Lacrosse, Subaru Triathlon Series, and multiple other mass race events. His research interests include femoroacetabular impingement, imaging for low back pain, and exercise prescription counselling in primary care. He is a former member of the Canadian Aussie Rules Football National team and has a dog named Kyle, who he would be happy to talk about at length. 


Dr. Shallow's current practice is focussed in Sport & Exercise medicine, he frequently utilizes ultrasound guidance for interventional sports medicine procedures/injections of muscles, ligaments, tendons, and joints outside of the spine. His practice also includes a large component of expert concussion care. He has an affiliation with the Departments of Family Medicine as an Associate Professor, and Emergency Medicine as a clinical instructor at Queen's University.


Thomas Gregory

Physical Medicine & Rehabilitation
Medical Director
Interventional Pain Management
Assistant Professor, Queen’s University

Dr. Thomas Gregory graduated from the University of Toronto with an honours degree in Human Biology and Ecology & Evolution in 2011 while also playing for the Varsity Blues Rugby team (as they lost most games).  He then went to the University of Toronto School of Medicine, graduating in 2015.  He completed his residency training in Physical Medicine & Rehabilitation (PMR, Physiatry) at Queen’s University in 2020.  He incorporated significant additional training throughout his residency program to integrate interventional spine and peripheral procedures to complement his foundation in PMR, both in Ultrasound and Fluoroscopy. 

He is the educational lead as well as the Medical Director for the clinic, working alongside clinic founder Dr. Greg Murphy.  He is also an adjunct assistant professor for the Department of Physical Medicine & Rehabilitation at Queen’s University.  He is involved in research pursuits focused around chronic pain.

Management & Administrative



Program Co-ordinator

Orthopedic and sports medicine Lead

Charge Technologist

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