Founder & Medical Director

Samuel Ko, MD, FACEP

sam ko md

Dr. Samuel Ko is a Board Certified Emergency Physician and medical director of Reset Ketamine. He is a Fellow of the American College of Emergency Physicians and member of the American Society of Ketamine Physicians.

Dr. Ko received a Bachelor of Science from Seattle University and went on to graduate from the joint MD/MBA program from the University of Rochester in New York. The University of Rochester School of Medicine & Dentistry is where the biopsychosocial model of medicine was founded. He completed his residency training at Loma Linda University Medical Center, where the mission is “To Make Man Whole.”   This means Dr. Ko takes a holistic approach to ketamine infusions, including the biology, psychology, sociology, and spirituality of our patients.

Using his unique training, Dr. Ko is committed to improving the lives of patients. In addition to his medical practice, Dr. Ko is Assistant Professor of Emergency Medicine at Loma Linda University and attending ER doctor in the Inland Empire. During his free time, he practices yoga, Brazilian jiu jitsu, reads voraciously, and travels globally with his amazing wife.


Patient Liaison & Secretary

Kathryn Chan

kat chan reset

Kathryn Chan is patient liaison and secretary at Reset Ketamine. She is a National Honor Society member and has attended Pacific Union College in northern California as well as Walla Walla University in Washington.

Ms. Chan’s varied experiences have created a distinct skill set she utilizes to assist Dr. Ko and ensure patients have a comfortable experience. She has been a copy editor, vocal performance artist, actress, teacher’s assistant, sales associate, and child care provider. She is Chief Creative Director at Interstellar Comic Books and Collectibles.  Currently, she volunteers by educating and entertaining young children at Palm Springs Seventh-day Adventist Church.

Ms. Chan appreciates the holistic approach Dr. Ko and his medical team take when administering ketamine. She has witnessed first hand the remarkable transformations that patients are able to achieve. In her spare time, she enjoys dancing, creating music, making costumes, and traveling internationally.



current and prior affiliations