Ketamine Therapy in Grand Rapids, Michigan (616)400-5433
Meet our Ketamine Clinic Team
Our Team
At Lifeline Intervention Therapeutics in Grand Rapids, Michigan, we are committed to offering innovative mental health treatments that prioritize patient well-being. Our clinic specializes in ketamine therapy and Spravato® (esketamine) treatment for individuals with treatment-resistant depression, anxiety, PTSD, and addiction. With a compassionate, experienced team of board-certified professionals, we focus on providing personalized care to help our patients achieve meaningful improvements in their mental health.
Dr. Gilbert Masterson
Psychiatrist & Co-founder.
Dr. Gilbert Masterson is a board-certified psychiatrist with over 44 years of experience in mental health and psychiatric care. For the past 15 years, he has been deeply involved in ketamine research, contributing to some of the original clinical studies at Cleveland Clinic exploring ketamine’s effectiveness in treating chronic depression and suicidal ideation. His pioneering work has helped shape modern ketamine therapy as a transformative treatment for individuals struggling with treatment-resistant mood disorders.
Dr. Masterson completed his research residency at Harvard University and went on to be a research Fellow at UCLA. He has dedicated his career to providing compassionate, evidence-based care. His expertise spans mood disorders, suicidality, and innovative treatment modalities, making him a leader in advancing psychiatric care.
At Lifeline Interventional Therapeutics, Dr. Masterson is part of the only ketamine clinic in Michigan with a physician on-site and on staff who personally evaluates and follows patients throughout their treatment journey. Unlike other providers, our approach ensures that every patient receives direct, physician-led care, maximizing safety, effectiveness, and long-term outcomes.
At Lifeline Interventional Therapeutics, he combines his research-backed expertise and clinical leadership to offer ketamine and Spravato® therapy, helping patients regain hope and healing when other treatments have failed.
Dr. Julie Wilson, DO
Addiction Medicine Physician & Co-founder
Dr. Julie Wilson is a board-certified physician specializing in addiction medicine, with a strong background in emergency medicine. She earned her Doctor of Osteopathic Medicine degree from Michigan State University College of Osteopathic Medicine in 2002 and spent much of her career in emergency medicine before transitioning to addiction and mental health treatment.
Dr. Wilson was first introduced to ketamine therapy while working at an inpatient substance abuse treatment center, where she witnessed firsthand its remarkable effectiveness in treating both depression and addiction. Seeing the rapid, life-changing improvements in patients who had struggled for years with conventional treatments, she became passionate about incorporating ketamine therapy as a key part of comprehensive mental health and addiction recovery. Since then, she has dedicated her career to utilizing innovative, research-backed treatments to help patients break free from the cycle of substance use, depression, and anxiety.
At Lifeline Interventional Therapeutics, Dr. Wilson combines her expertise in addiction medicine, emergency medicine, and ketamine therapy to offer a holistic, patient-centered approach to healing. She works closely with each patient to develop individualized treatment plans, ensuring they receive the highest standard of care.
William “Bill” Vanlonkhuyzen, MPAS, PA-C
Physician Assistant & Co-founder
William “Bill” Vanlonkhuyzen is a highly experienced physician assistant with a strong background in psychiatric care and ketamine therapy. He earned his Master of Physician Assistant Studies (MPAS) through the Interservice Physician Assistant Program and received his degree from University of Nebraska Medical Center in 2014 and has spent the past nine years specializing in mental health treatment.
Bill received advanced ketamine training through the U.S. Army, including annual sustainment training, and first administered ketamine for suicidal ideation in 2016 while deployed in Lithuania. He has since dedicated his career to advocating for the use of ketamine in psychiatric care, particularly for patients with treatment-resistant depression, PTSD, and anxiety. While working in inpatient psychiatry at the Battle Creek VA, he played a key role in coordinating ketamine treatments for veterans. His commitment to advancing mental health care has made him a respected practitioner in the field.