New Search 311036 Sheena L. Tullock NP Practice Started: 07/13/2018 Location Information Allergy, Asthma & Sinus Center 2428 Knob Creek Road, Suite 102 Johnson City, TN 37604 423-794-1074 Fax:423-794-1079 Get Directions Certifications ANCC Family Nurse Practitioner Areas of Interest Nurse Practitioner, Family