MedMark Treatment Centers Vallejo is a dedicated addiction treatment center located at 1628 Broadway Suite B, Vallejo, CA 94590. Offering a range of services to support individuals on their path to recovery, the center maintains working hours from Tuesday to Friday, 5 AM to 1 PM, and Saturday from 7 AM to 10:30 AM. With a strong commitment to patient care, MedMark has a rating of 4.5 based on 23 reviews. For more information, visit medmark.com or call +17079875734.