Dr. Lowan Stewart and Dr. Ken Stewart are the founders of Santa Fe Ketamine, the very first medical group in New Mexico to provide ketamine treatment. The staff physicians of the Insight Ketamine Of Santa Fe are board-certified in emergency medicine or their medical specialty. Emergency physicians and anesthesiologists are considered the experts in the use of ketamine. However emergency physicians have the additional expertise in the daily medical management of emergency psychiatric disorders.


Dr. Lowan Stewart, MD FAAEM
Dr. Ken Stewart, MD FACEP FAAFP
Dr. Stewart Anderson, MD FACEP
Dr. Joel Rosen, MD
Blair Anderson

Dr. Lowan Stewart


Dr. Stewart is Medical Advisor to Insight Ketamine. He is a board certified Emergency Physician, Fellow of the American Academy of Emergency Medicine practicing since 2003. He trained at UNM, UT Austin and OHSU in Portland. He worked for over a decade in Portland as an emergency physician, Emergency Department Chair and as an associate clinical professor. He is currently working with ketamine for mental health disorders in Oslo, Norway. His past research includes studies on the evolution of emotions and winter depression. He has also studied public health and his current research interests include using novel medications in the treatment of mood disorders.


Dr. Joel Rosen


Dr. Rosen, a board-certified family medicine physician with fellowships in the Society of Hospital Medicine and the American Academy of Family Physicians, hails from Israel. He graduated from the international medicine program at Ben Gurion University, affiliated with Columbia Medical School, and completed his family medicine residency at the University of New Mexico in 2005. After moving to Arizona to work for the Indian Health Service, he settled in Santa Fe in 2008, spending two years at La Familia Medical Center. Between 2010 and 2022, he served as a hospitalist at Christus St. Vincent, taking on leadership roles including medical director of the hospitalist group and chief of staff from 2018 to 2019. His international experience includes work in Southern India and Guatemala.

Following a personal tragedy, Dr. Rosen critically assessed the corporate medical system’s shortcomings, particularly in mental health care. He advocates for innovative and alternative approaches to medicine, emphasizing the importance of partnership with patients and personalized care strategies. He has a keen interest in using psychedelics, notably ketamine, to address depression and PTSD, conditions he believes are often overlooked by conventional medical practices.

Dr. Rosen currently runs an active house call practice and co-owns Santa Fe Mobile MD with Stewart Anderson, focusing on delivering comprehensive and compassionate care directly to patients’ homes.


Dr. Ken Stewart


Dr. Stewart’s medical background began with combat medicine during the Vietnam war, early emergency medical services and eventually into the practice of emergency medicine for more than 25 years. He trained at the University of Washington and University of New Mexico. He is board certified in Emergency Medicine and Family Medicine as well as a Fellow of the American College of Emergency Physicians and a Fellow of the American Academy of Family Physicians. Dr. Stewart served as chief of the Department of Emergency Medicine at the Gallup Indian Medical Center where he worked for over 20 years and was instrumental developing their Trauma program. He has been a member of the New Mexico Board of Acupuncture and Oriental Medicine as a board certified acupuncturist trained in Chinese and herbal medicine. Dr. Stewart has a sub-specialty in Hyperbaric and Dive Medicine.

Blair Anderson

Blair Anderson is a mother of two teenage daughters, a certified health coach with IIN and certified yoga instructor through Prajna Yoga. She earned her BA in Photography from St Edward University, and has called New Mexico home for the last 17 years. She loves all things health and beauty and for most of her adult life has been a mediator and practitioner of mindful living and creative thinking. When not cooking for friends and family, she can be found on the trails with her family or riding bikes around town visiting with friends.


Dr. Stewart Anderson


Dr. Anderson is a Board-certified Emergency Physician and Fellow of the American College of Emergency Physicians. He completed medical school at UTMB-Galveston in 2002 and residency training in the Emergency Department at Boston Medical Center in 2007. Since then he has worked as an EM physician on the Navajo Nation in Shiprock, NM, at Christus St. Vincent’s Regional Medical Center in Santa Fe, NM, and at Tairawhiti District Hospital in Gisborne, New Zealand. He has done additional training with the Integrative Psychiatric Institute for Ketamine Therapy, Henry Shukman’s Original Love meditation course, and programs through the Upaya Zen Center.

“As an ER doc for almost 20 years, I have given ketamine for procedural sedation thousands of times, and taken care of many people suffering with depression, suicidality and trauma. Working with ketamine specifically to treat mental health has been one of the most fascinating and rewarding parts of my career thus far. I am particularly interested in helping people integrate meditation and movement into their daily practice as part of the ketamine journey.”

Dr. Anderson is also the founder of Santa Fe Mobile MD, a local house-call based medical clinic. Outside of work Stewart spends his time in the mountains with his family skiing, running, wandering and wondering.