Patient Portal Support; Online Bill Pay; Health Tips; Contact Us; Directions; Health Portal; Pay My Bill; Alerts 1. Alerts 1 Dismiss alerts. ... Parkridge Medical Group 2205 McCallie Ave, Suite 300 Chattanooga, TN 37404. Phone: (423) 622-6848 Fax: (423) 697-6110 Contact Us. Affiliations ....