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. He earned his medical degree from Loma Linda University in 1980 and has since dedicated his career to providing compassionate, evidence-based treatment. Dr. Masterson is affiliated with Trinity Health Grand Haven Hospital and Trinity Health Grand Rapids Hospital, where he has played a vital role in advancing psychiatric care. His expertise in mood disorders, treatment-resistant depression, and innovative therapies has made him a trusted leader in the field.
Dr. Julie Wilson, DO
Addiction Medicine Physician
Co-founder
Dr. Julie Wilson is a board-certified physician specializing in addiction medicine, with a 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 is dedicated to utilizing cutting-edge approaches, including ketamine therapy, to help patients struggling with substance use disorders, depression, and anxiety. Her comprehensive medical experience allows her to provide a holistic and patient-centered approach to 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.