My Medical Care 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..