About Lynnwood Comprehensive Treatment Center in Bothell, WA Located in Bothell, Washington, Lynnwood Comprehensive Treatment Center provides medication-assisted treatment (MAT) to adults of all genders age 18 and older. Our multidisciplinary team helps people who are struggling with addictions to morphine, heroin, prescription painkillers, or other opioids find the path to recovery that is right for them. Researchers have found that patients who take part in MAT are more likely to experience better recovery outcomes and are less likely to relapse in the future.