Daleville VA 24083. Phone: (540) 992-3600. Fax: (540) 992-5570. kskoff.lfmaa@yahoo.com (not for patient medical or account questions) Office Hours: Monday - Friday By Appointment. Home. Lianna R. Lawson, D.O. Services. Testimonials. Contact Us PATIENT PORTAL LINK. NOTICE. If you ...Home‧Lianna R. Lawson, D.O‧Services‧Testimonials.