MultiCare. Attention: Behavior Health Medical Records. 325 East Pioneer, Mailstop 325-1-MREC. Puyallup, WA 98372. 2. Scan and email the completed form to BHMedicalRecords@MultiCare.org. You may contact Behavior Health Medical Records on 253 697-8530. *Please Note: WA State law allows up to 15 business days to respond to a medical records request..