Patient Portal About. Locations. 1500 West Elk Avenue Elizabethton, TN 37643. 401 East Main Street Johnson City, TN 37601. 437 Hwy 321 Hampton, TN 37658. Contact. Call or Text: 423-929-2584. Fax: 423-722-2060. Email: DO NOT EMAIL MEDICAL DATA info@medicalcarepllc.com. Employees..