Capital Plaza MAT Clinic Wellness and Holistic Addiction Medicine (WHAM) Entrance Walk-In Care Entrance Medical Services Wellness and Holistic Addiction Medicine (WHAM) Walk-In Care To schedule an appointment, call us at 512-978-9401. Location and Hours Capital Plaza MAT Clinic 5339 N. Interstate Hwy 35,Suite 100Austin, TX 78723Wellness and Holistic Addiction Medicine (WHAM) Hours Monday – Friday 8:00 a.m. to 5:00 p.m. Walk-In Care Hours Monday – Friday 7:00 a.m. to 8:00 p.m. Providers John Weems, MD, FASAM Matthew Levasseur, MD Anupama Kapadia, MD Matthew Hunt, APRN-CNP Kayla King, LCSW Sandra Miller, NP Megan Navarro, LCSW Mien Nguyen, APRN Minn Nguyen, PharmD Pashant Reddy, DO Michaela Smith-Stocker, CNP Wayne Stanberry, PA Practice Administrator Jacqueline Capistran