Contact Quest for your Behavioral Healthcare Insurance and EAP needs. For general inquiries about Quest EAP and Behavioral Healthcare Insurance, please submit the form below for your behavioral healthcare insurance and EAP needs. You may also call us at 800-364-6352 or 717-851-1480. If you are a provider and have a general question, please submit our online Request for Information form. * indicates a required fieldName* First Last Address Street Address Address Line 2 City State / Province / Region ZIP / Postal Code Email PhoneYour MessageCAPTCHA Toll-free: 800-364-6352 or 717-851-1480 Fax: 717-851-1414 Quest Behavioral Health PO Box 1032 York, PA 17405 Claims: firstname.lastname@example.org Membership: email@example.com Provider Relations: firstname.lastname@example.org Quality Management: email@example.com Sales: firstname.lastname@example.org.